Nishina Ann Thomas, MD
Psychiatry · Elkridge
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
- Since medical school
- 12 years
- University of Texas Medical School at San Antonio, 2014
Offices
1 location · Sheppard Pratt Physicians PA · 70 clinicians in this group
Hospitals listed: Barton Memorial Hospital. 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. Thomas’s office at (410) 938-3000 to ask if they take your plan before you enroll.
California Medical Board record
Licence A154908 · Current
Licensed to practise in California · since 2018 · expires 2027-05-31 · University of Texas Medical School at San Antonio.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
School, training and certification
What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.
Specialty certification
- American Board of Psychiatry and Neurology - Geriatric Psychiatry
- American Board of Psychiatry and Neurology - Psychiatry
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.
- Barton Memorial HospitalSouth Lake Tahoe, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Barton Health, which runs 2 hospitals in 2 statesPatients rate it 4 of 5 · 78% would definitely recommend itOverall rating: 3 of 5 starsNo measure marked better or worse than the national rate
See every measure and the patient survey for Barton Memorial Hospital
Behind the star rating — Deaths: 0 better, 3 the same, 0 worse of 3 measures. Safety: 0 better, 2 the same, 0 worse of 2 measures. Readmissions: 1 better, 3 the same, 1 worse of 5 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1 (0 to 2.06) · 161 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.88 (0.41 to 1.35) | No different | Jul 2022 – Jun 2024 |
| Death rate for heart failure patientsComplications and deaths | 11.7 · 44 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 13.7 · 102 cases | None | Jul 2022 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.8 · 419 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.2 (0 to 0.44) · 858 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.26 (0.05 to 0.48) · 828 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.05 (0.58 to 5.52) · 269 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.65 (0 to 3.37) · 140 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.23 (0.53 to 3.92) · 261 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 7.87 (0 to 17.2) · 143 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 4.91 (0.71 to 9.12) · 126 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.72 (0.21 to 3.23) · 86 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.49 (0 to 1.69) · 639 cases | No different | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0 | No different | Oct 2024 – Sep 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 21.5 · 49 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | 62.5 · 47 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | -7.9 · 99 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 17.3 · 100 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.2 · 25 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.4 (9.1 to 16.4) · 579 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.1 (0.8 to 1.5) · 335 cases | No different | Jan 2024 – Dec 2024 |
What patients said (366 patients answered, 28% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 4 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 4 |
| Recommend hospital | 5 |
| Room was "always" clean | 77% |
| Nurses "always" communicated well | 82% |
| Doctors "always" communicated well | 83% |
| Staff "always" explained | 68% |
| Yes, staff "did" give patients this information | 90% |
| Yes, staff "did" give patients information about help after discharge | 88% |
| Doctors "always" explained things so they could understand | 78% |
| Doctors "always" listened carefully | 82% |
| Doctors "always" treated them with courtesy and respect | 89% |
| Patients who gave a rating of "9" or "10" (high) | 79% |
| Staff "always" explained new medications | 80% |
| Nurses "always" explained things so they could understand | 79% |
| Nurses "always" listened carefully | 78% |
| Nurses "always" treated them with courtesy and respect | 89% |
| "Always" quiet at night | 62% |
| "YES", patients would definitely recommend the hospital | 78% |
| Staff "always" explained possible side effects | 56% |
| Yes, staff "did" give patients information about possible symptoms | 91% |
Original Medicare doctor bills
$12,969
Medicare paid this office $12,969 for 26 people. Most of that is long return visits and Botox.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Long return visit (40+ min) | 19 | $7,288 | $158 |
| Return visit (30+ min) | 13 | $3,248 | $105 |
| Short return visit | 11 | $903 | $48 |
Who their Medicare patients are
26 Original Medicare patients in 2024. Average age 45 · Women 46% · Also on Medicaid 100% · Health risk score 1.13. At or below the middle of the specialty; the typical psychiatry clinician is at 1.35.
The office billed $132,042, Medicare allowed $17,203 and paid $12,969; for 118 services of 7 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
| 2024 | 26 | 118 | 45 | 1.13 | $132,042 | $12,969 |
| 2023 | 19 | 58 | 51 | 1.22 | $37,149 | $5,886 |
| 2022 | 40 | 351 | 49 | 1.47 | $380,391 | $37,704 |
| 2021 | 59 | 270 | 49 | 1.49 | $347,241 | $33,318 |
| 2020 | 38 | 43 | 50 | 1.54 | $110,601 | $5,248 |
| 2019 | 11 | 11 | 52 | 1.16 | $21,603 | $1,242 |
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
2022: 3 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 34 | $31,706 | $107 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 14 | $3,147 | $197 |
| Hospital discharge day management, more than 30 minutes | 12 | $1,494 | $107 |
2021: 2 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 19 | $22,884 | $114 |
| Psychiatric diagnostic evaluation with medical services | 42 | $6,590 | $143 |
2020: 1 service
| Psychiatric diagnostic evaluation with medical services | 38 | $5,248 | $122 |
2019: 1 service
| Psychiatric diagnostic evaluation with medical services | 11 | $1,242 | $113 |
Drugs they prescribed that Part D paid
$277,152
Pharmacies billed $277,152 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 865) in 2024. At or below the middle of the specialty; the typical psychiatry clinician is at 0%.
792 generic and 73 brand-name prescriptions · $277,152 in drug cost · 11 antipsychotic prescriptions to people over 65.
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.
| Invega Sustenna | 26 | $93,406 | $3,593 |
| Abilify Maintena | 29 | $74,626 | $2,573 |
| Divalproex Sodium Er | 87 | $6,583 | $76 |
| Olanzapine | 49 | $3,260 | $67 |
| Haloperidol Decanoate | 29 | $1,881 | $65 |
See all 27 drugs
| Invega Sustenna | 26 | $93,406 | $3,593 |
| Abilify Maintena | 29 | $74,626 | $2,573 |
| Divalproex Sodium Er | 87 | $6,583 | $76 |
| Olanzapine | 49 | $3,260 | $67 |
| Haloperidol Decanoate | 29 | $1,881 | $65 |
| Imipramine Pamoate | 11 | $1,804 | $164 |
| Clozapine | 16 | $1,613 | $101 |
| Lamotrigine Er | 12 | $1,322 | $110 |
| Quetiapine Fumarate Er | 37 | $1,249 | $34 |
| Aripiprazole | 40 | $1,215 | $30 |
| Naltrexone | 25 | $1,151 | $46 |
| Benztropine Mesylate | 80 | $1,026 | $13 |
| Olanzapine Odt | 18 | $1,025 | $57 |
| Quetiapine | 48 | $734 | $15 |
| Propranolol | 43 | $685 | $16 |
| Topiramate | 14 | $567 | $40 |
| Fluoxetine | 28 | $471 | $17 |
| Risperidone | 17 | $399 | $23 |
| Divalproex | 13 | $377 | $29 |
| Escitalopram | 15 | $305 | $20 |
| Gabapentin | 31 | $267 | $9 |
| Mirtazapine | 16 | $229 | $14 |
| Lithium Carbonate | 27 | $220 | $8 |
| Amantadine | 12 | $205 | $17 |
| Raloxifene | 11 | $177 | $16 |
| Amlodipine Besylate | 13 | $162 | $12 |
| Metformin | 13 | $47 | $4 |
Year by year
| 2024 | 865 | 45 | 0% (0) | 8% | $277,152 |
| 2023 | 47 | 15 | 0% (0) | 0% | $1,721 |
| 2022 | 108 | 19 | 0% (0) | None | $3,817 |
| 2021 | 67 | 19 | 0% (0) | None | $3,048 |
| 2020 | 39 | 17 | 0% (0) | None | $802 |
| 2019 | 115 | 23 | 0% (0) | None | $45,914 |
| 2017 | 27 | None | 0% (0) | 0% | $908 |
| 2016 | 22 | None | 0% (0) | None | $1,600 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2019: 4 drugs
| Mirtazapine | 11 | $479 | $44 |
| Duloxetine | 14 | $197 | $14 |
| Quetiapine | 15 | $175 | $12 |
| Escitalopram | 14 | $143 | $10 |
Money from drug and device companies
$32 in 2023
| 2023 | 1 | 1 | None | $32 |
| 2019 | 1 | 1 | None | $125 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Vanda Pharmaceuticals | Hetlioz | $32 | 1 payment
|
See the published payment
| Vanda Pharmaceuticals | Meals · 2023-03-28 | Hetlioz | $32 |
See earlier years (2019)
2019: $125
| Neurocrine Biosciences | Ingrezza | $125 | 1 payment
|
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 83.6 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1174933204
- Licence
- CA A154908California A154908: Current · expires 2027-05-31
- Trained
- University of Texas Medical School at San Antonio, 2014 · 12 years ago
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Psychiatry (2084P0800X); Student in a training program (390200000X)
- Mailing address
- 401 Quarry Rd, Palo Alto, CA, 94304
- NPI first listed
- 2014-04-29
- NPI last updated
- 2018-08-05
This is when the NPI record was last certified, not a medical board exam.