Jennifer Tom, MD | UniHealth

Offices

3 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group

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Hospitals listed: Mills-Peninsula Medical Center. That is not proof they admit you there this week.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Tom’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence C179310 · Current

Licensed to practise in California · since 2022 · expires 2028-06-30 · State University of New York Upstate Medical University College of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

Peninsula Medical CenterBurlingame, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 4 of 5 · 78% would definitely recommend it
Overall rating: 5 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.139, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.242, Oct 2024 – Sep 2025

See every measure and the patient survey for Peninsula Medical Center

Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 0 better, 10 the same, 1 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

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Every scored measure at Peninsula Medical Center

Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections	0.139	Better	Oct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections	0.242	Better	Oct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths	1.21 (0.27 to 2.15) · 1,258 cases	No different	Jul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths	0.81 (0.51 to 1.1)	No different	Jul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths	155.44 (112.67 to 198.21) · 90 cases	No different	Jul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths	2.5 · 32 cases	None	Jul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths	7.1 · 82 cases	None	Jul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths	10 · 188 cases	None	Jul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths	9 · 473 cases	None	Jul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths	14.8 · 342 cases	None	Jul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths	9.4 · 485 cases	None	Jul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths	2.9 · 3,730 cases	None	Jul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths	0.2 (0 to 0.4) · 6,904 cases	No different	Jul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths	0.21 (0.02 to 0.4) · 7,052 cases	No different	Jul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths	3.41 (1.43 to 5.39) · 1,695 cases	No different	Jul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths	1.72 (0.17 to 3.28) · 665 cases	No different	Jul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths	2.11 (0.66 to 3.56) · 1,545 cases	No different	Jul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths	7.1 (1.3 to 12.9) · 670 cases	No different	Jul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths	5.96 (2.63 to 9.29) · 653 cases	No different	Jul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths	1.61 (0.15 to 3.08) · 418 cases	No different	Jul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths	0.14 (0 to 0.78) · 5,539 cases	No different	Jul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths	3.7 · 192 cases	None	Apr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections	0.215	No different	Oct 2024 – Sep 2025
MRSA BacteremiaInfections	0.263	No different	Oct 2024 – Sep 2025
SSI - Colon SurgeryInfections	0.74	No different	Oct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits	14.3 · 300 cases	None	Jul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits	19 · 702 cases	None	Jul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits	1.2 · 207 cases	None	Jul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits	-13.6 · 531 cases	None	Jul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits	24.3 · 343 cases	None	Jul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits	18.1 · 449 cases	None	Jul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits	4.5 (2.8 to 7) · 85 cases	No different	Jan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits	9.6 (6.7 to 13.7) · 85 cases	No different	Jan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits	5.7 · 189 cases	None	Jul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits	11 · 45 cases	None	Jul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits	20.6 · 117 cases	None	Jul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits	13 (9.7 to 17.2) · 584 cases	No different	Jan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits	0.9 (0.7 to 1.2) · 764 cases	No different	Jan 2024 – Dec 2024

What patients said (523 patients answered, 27% of those asked)

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Patient survey stars by topic at Peninsula Medical Center

Cleanliness	4
Nurse communication	4
Doctor communication	4
Communication about medicines	3
Discharge information	4
Overall hospital rating	4
Quietness	3
Recommend hospital	5

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Share of patients giving the best answer at Peninsula Medical Center

Room was "always" clean	76%
Nurses "always" communicated well	81%
Doctors "always" communicated well	80%
Staff "always" explained	58%
Yes, staff "did" give patients this information	89%
Yes, staff "did" give patients information about help after discharge	87%
Doctors "always" explained things so they could understand	74%
Doctors "always" listened carefully	79%
Doctors "always" treated them with courtesy and respect	87%
Patients who gave a rating of "9" or "10" (high)	75%
Staff "always" explained new medications	72%
Nurses "always" explained things so they could understand	77%
Nurses "always" listened carefully	79%
Nurses "always" treated them with courtesy and respect	88%
"Always" quiet at night	54%
"YES", patients would definitely recommend the hospital	78%
Staff "always" explained possible side effects	44%
Yes, staff "did" give patients information about possible symptoms	90%

Original Medicare doctor bills

$40,531

Medicare paid this office $40,531 for 292 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

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Largest Original Medicare bills

New patient visit (45+ min)	73	$9,161	$125
Return visit (30+ min)	64	$6,924	$105
New patient visit (30+ min)	69	$5,829	$84
Short return visit (20+ min)	68	$5,670	$78
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus	34	$4,892	$140

See all 10 services

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Every Original Medicare service billed

New patient visit (45+ min)	73	$9,161	$125
Return visit (30+ min)	64	$6,924	$105
New patient visit (30+ min)	69	$5,829	$84
Short return visit (20+ min)	68	$5,670	$78
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus	34	$4,892	$140
Long return visit (40+ min)	14	$2,299	$164
New patient visit (60+ min)	12	$1,924	$160
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	17	$855	$50
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	27	$437	$16
Automated urinalysis test	50	$117	$2

Who their Medicare patients are

292 Original Medicare patients in 2024. Average age 76 · Under 65 4% · 85 and older 19% · Women 64% · Also on Medicaid 6% · Health risk score 1.04. At or below the middle of the specialty; the typical emergency medicine clinician is at 2.01.

Conditions among them: High blood pressure 68% · Coronary heart disease 24% · Chronic kidney disease 23% · Diabetes 20% · Cancer 17% · Atrial fibrillation 16% · Depression 15% · Heart failure 14% · COPD 8% · Dementia 4% · Stroke 4%.

The office billed $149,723, Medicare allowed $57,442 and paid $40,531; for 498 services of 34 kinds.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

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Original Medicare by year

2024	292	498	76	1.04	$149,723	$40,531
2023	242	366	77	1.01	$87,836	$25,528
2022	228	299	73	1.08	$70,302	$21,893
2021	253	338	72	1.03	$75,506	$21,852
2020	199	273	73	1.50	$55,038	$15,283
2019	222	300	72	1.07	$62,873	$20,312
2018	255	384	71	1.07	$66,741	$21,389
2017	252	345	72	1.10	$70,133	$23,689
2016	301	403	72	1.31	$84,916	$29,157
2015	255	353	70	2.00	$77,287	$27,816
2014	309	493	71	2.88	$104,655	$35,714
2013	317	449	69	2.36	$95,125	$31,285

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 7 services

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Original Medicare services billed in 2023

New patient visit (30+ min)	77	$7,271	$94
Short return visit (20+ min)	88	$6,892	$76
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus	15	$2,097	$140
New patient visit (45+ min)	14	$1,826	$130
New patient visit (15+ min)	23	$1,378	$60
Short return visit	22	$1,269	$55
Automated urinalysis test	33	$77	$2

2022: 6 services

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Original Medicare services billed in 2022

Short return visit (20+ min)	132	$11,004	$82
New patient visit (30+ min)	53	$4,965	$94
Return visit (30+ min)	24	$2,837	$118
New patient visit (45+ min)	11	$1,755	$160
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report	23	$266	$12
Automated urinalysis test	20	$44	$2

2021: 5 services

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Original Medicare services billed in 2021

Short return visit (20+ min)	136	$10,820	$78
New patient visit (30+ min)	65	$6,247	$96
Return visit (30+ min)	18	$1,862	$103
New patient visit (15+ min)	11	$797	$72
Automated urinalysis test	39	$88	$2

2020: 8 services

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Original Medicare services billed in 2020

Return visit (30+ min)	77	$7,045	$91
Short return visit (20+ min)	29	$1,725	$59
New patient visit (15+ min)	31	$1,526	$49
Long return visit (40+ min)	24	$1,513	$63
New patient visit (30+ min)	18	$1,250	$69
New patient visit (45+ min)	11	$992	$90
Detection test by immunoassay with direct visual observation for influenza virus	11	$357	$16
Automated urinalysis test	19	$42	$2

2019: 7 services

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Original Medicare services billed in 2019

Long return visit (40+ min)	61	$6,350	$104
Return visit (30+ min)	66	$5,709	$85
New patient visit (30+ min)	45	$3,672	$82
New patient visit (15+ min)	22	$1,461	$66
Short return visit (20+ min)	19	$1,224	$64
Inhalation treatment for airway obstruction or sputum production	11	$181	$16
Automated urinalysis test	18	$43	$2

2018: 8 services

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Original Medicare services billed in 2018

Return visit (30+ min)	93	$7,293	$75
New patient visit (30+ min)	84	$5,754	$69
Long return visit (40+ min)	43	$4,930	$115
New patient visit (45+ min)	16	$1,522	$95
Detection test by immunoassay with direct visual observation for influenza virus	11	$314	$15
Inhalation treatment for airway obstruction or sputum production	11	$154	$14
Blood glucose (sugar) test performed by hand-held instrument	23	$74	$3
Automated urinalysis test	25	$70	$3

2017: 7 services

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Original Medicare services billed in 2017

Long return visit (40+ min)	72	$7,492	$103
Return visit (30+ min)	76	$6,435	$81
New patient visit (30+ min)	67	$5,378	$80
New patient visit (45+ min)	20	$2,399	$120
Short return visit (20+ min)	15	$786	$52
Blood glucose (sugar) test performed by hand-held instrument	18	$55	$3
Automated urinalysis test	18	$54	$3

2016: 7 services

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Original Medicare services billed in 2016

Return visit (30+ min)	111	$8,908	$78
Long return visit (40+ min)	76	$8,773	$111
New patient visit (30+ min)	73	$5,181	$71
New patient visit (45+ min)	28	$3,547	$127
Short return visit (20+ min)	13	$789	$61
Inhalation treatment for airway obstruction or sputum production	14	$225	$16
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	14	$2	None

2015: 8 services

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Original Medicare services billed in 2015

Emergency department visit with high level of medical decision making	65	$9,608	$143
Return visit (30+ min)	45	$4,370	$91
Long return visit (40+ min)	23	$2,735	$119
Critical care, first 30-74 minutes	13	$2,394	$184
New patient visit (30+ min)	28	$2,381	$85
New patient visit (45+ min)	15	$2,100	$140
Emergency department visit with moderate level of medical decision making	16	$1,322	$83
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	79	$615	$7

2014: 5 services

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Original Medicare services billed in 2014

Emergency department visit with high level of medical decision making	167	$24,548	$142
Critical care, first 30-74 minutes	23	$4,132	$180
Emergency department visit with moderate level of medical decision making	31	$3,028	$92
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	205	$1,558	$7
Emergency department visit with low level of medical decision making	21	$984	$47

2013: 5 services

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Original Medicare services billed in 2013

Emergency department visit with high level of medical decision making	165	$23,041	$136
Critical care, first 30-74 minutes	13	$2,361	$182
Emergency department visit with moderate level of medical decision making	29	$2,324	$80
Emergency department visit with low level of medical decision making	34	$1,584	$43
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	178	$1,270	$7

Drugs they prescribed that Part D paid

$7,727

Pharmacies billed $7,727 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

233 generic and fewer than 11 brand-name prescriptions · $7,727 in drug cost · 160 antibiotic prescriptions to 141 people.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

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Largest Part D drug costs

Paxlovid	15	$4,312	$287
Albuterol Sulfate Hfa	14	$372	$27
Doxycycline Monohydrate	34	$278	$8
Cephalexin	30	$211	$7
Amoxicillin-Clavulanate Potass	24	$156	$7

See all 9 drugs

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Every Part D drug this clinician prescribed

Paxlovid	15	$4,312	$287
Albuterol Sulfate Hfa	14	$372	$27
Doxycycline Monohydrate	34	$278	$8
Cephalexin	30	$211	$7
Amoxicillin-Clavulanate Potass	24	$156	$7
Azithromycin	32	$128	$4
Nitrofurantoin Mono-Macro	13	$94	$7
Mupirocin	11	$65	$5
Prednisone	11	$30	$3

Year by year

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Part D prescribing by year

2024	274	207	None	None	$7,727
2023	194	149	None	None	$2,168
2022	143	115	0% (0)	None	$1,556
2021	180	149	None	None	$2,421
2020	144	115	0% (0)	None	$2,385
2019	159	130	0% (0)	None	$2,258
2018	230	163	None	None	$3,931
2017	206	148	None	None	$3,492
2016	226	165	5% (12)	15%	$3,576
2015	124	88	10% (12)	16%	$2,270
2014	56	41	23% (13)	None	$977
2013	66	46	24% (16)	None	$1,416

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 5 drugs

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Part D drugs prescribed in 2023

Cephalexin	28	$222	$8
Amoxicillin-Clavulanate Potass	24	$198	$8
Azithromycin	30	$196	$7
Nitrofurantoin Mono-Macro	12	$177	$15
Prednisone	12	$25	$2

2022: 4 drugs

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Part D drugs prescribed in 2022

Doxycycline Hyclate	23	$297	$13
Azithromycin	25	$137	$5
Amoxicillin-Clavulanate Potass	16	$95	$6
Prednisone	13	$22	$2

2021: 7 drugs

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Part D drugs prescribed in 2021

Nitrofurantoin Mono-Macro	17	$218	$13
Doxycycline Hyclate	14	$212	$15
Cephalexin	24	$101	$4
Amoxicillin-Clavulanate Potass	14	$84	$6
Azithromycin	14	$77	$6
Ibuprofen	14	$36	$3
Prednisone	16	$35	$2

2020: 5 drugs

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Part D drugs prescribed in 2020

Doxycycline Hyclate	11	$123	$11
Amoxicillin-Clavulanate Potass	12	$98	$8
Azithromycin	12	$93	$8
Cephalexin	13	$84	$6
Prednisone	12	$25	$2

2019: 5 drugs

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Part D drugs prescribed in 2019

Azithromycin	22	$176	$8
Doxycycline Hyclate	14	$157	$11
Amoxicillin-Clavulanate Potass	15	$116	$8
Prednisone	14	$44	$3
Ibuprofen	12	$29	$2

2018: 5 drugs

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Part D drugs prescribed in 2018

Ventolin Hfa	13	$720	$55
Azithromycin	31	$190	$6
Amoxicillin-Clavulanate Potass	15	$133	$9
Prednisone	27	$81	$3
Ibuprofen	11	$29	$3

2017: 4 drugs

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Part D drugs prescribed in 2017

Azithromycin	39	$308	$8
Ciprofloxacin	15	$79	$5
Levofloxacin	12	$78	$7
Prednisone	16	$52	$3

2016: 7 drugs

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Part D drugs prescribed in 2016

Levofloxacin	21	$443	$21
Azithromycin	31	$232	$7
Clindamycin	15	$231	$15
Ibuprofen	28	$120	$4
Ciprofloxacin	14	$100	$7
Cephalexin	13	$93	$7
Prednisone	23	$73	$3

2015: 1 drug

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Part D drugs prescribed in 2015

Azithromycin	12	$81	$7

Professional record

NPI: 1376562686
Licence: CA C179310, PA MD424980California C179310: Current · expires 2028-06-30
Group: Sutter Bay Medical Foundation
Gender: Female

More record details

Sole proprietor: No
Medicaid ID: NJ 0057762, PA 101212814
Taxonomy: Federal specialty code 207P00000X (207P00000X)
Mailing address: 325 Distel Cir, Los Altos, CA, 94022
NPI first listed: 2006-07-18
NPI last updated: 2023-03-24
NPI record certified: 2023-03-24

This is when the NPI record was last certified, not a medical board exam.