Stephanie Loomis, PA
Physician Assistant · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 3
- 1 carrier
- Offices
- 3
Offices
3 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Plans that list them
3 plans · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Stephanie Loomis’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| Imperial Courage Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Dynamic Plan (HMO) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
| Imperial Senior Value (HMO C-SNP) | Imperial Health Plan of California, Inc. | Listed | Sep 1, 2026 |
Original Medicare doctor bills
$48,042
Medicare paid this office $48,042 for 354 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 190 | $20,102 | $93 |
| Long return visit (40+ min) | 68 | $9,727 | $137 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | $4,554 | $134 |
| New patient visit (45+ min) | 35 | $4,427 | $126 |
| Short return visit (20+ min) | 48 | $3,166 | $60 |
See all 6 services
| Return visit (30+ min) | 190 | $20,102 | $93 |
| Long return visit (40+ min) | 68 | $9,727 | $137 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | $4,554 | $134 |
| New patient visit (45+ min) | 35 | $4,427 | $126 |
| Short return visit (20+ min) | 48 | $3,166 | $60 |
| New patient visit (30+ min) | 33 | $2,663 | $81 |
Who their Medicare patients are
354 Original Medicare patients in 2024. Average age 78 · Women 61% · Also on Medicaid 6% · Health risk score 0.96. At or below the middle of the specialty; the typical physician assistant clinician is at 1.31.
Conditions among them: High blood pressure 60% · Cancer 20% · Coronary heart disease 19% · Atrial fibrillation 19% · Depression 16% · Diabetes 14% · Chronic kidney disease 14% · Heart failure 9% · Dementia 7% · COPD 6% · Stroke 5%.
The office billed $179,176, Medicare allowed $64,228 and paid $48,042; for 480 services of 20 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 | 354 | 480 | 78 | 0.96 | $179,176 | $48,042 |
| 2023 | 149 | 260 | 74 | 0.81 | $82,225 | $20,862 |
| 2022 | 151 | 302 | 73 | 0.67 | $76,328 | $23,052 |
| 2021 | 16 | 26 | 73 | 0.56 | $5,964 | $1,684 |
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: 8 services
| New patient visit (45+ min) | 40 | $4,858 | $121 |
| New patient visit (30+ min) | 34 | $2,989 | $88 |
| Return visit (30+ min) | 30 | $2,846 | $95 |
| 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 | 20 | $2,796 | $140 |
| Short return visit (20+ min) | 25 | $2,030 | $70 |
| Long return visit (40+ min) | 11 | $1,574 | $143 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 17 | $855 | $50 |
| X-ray of chest, 2 views | 11 | $236 | $21 |
2022: 9 services
| 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 | 31 | $4,909 | $140 |
| New patient visit (30+ min) | 43 | $4,247 | $99 |
| New patient visit (45+ min) | 21 | $3,206 | $153 |
| Short return visit (20+ min) | 28 | $2,499 | $78 |
| Short return visit | 18 | $2,170 | $57 |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 36 | $1,826 | $51 |
| New patient visit (15+ min) | 14 | $1,022 | $73 |
| Intramuscular administration of single severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 50 mcg/0.25ml dosage, booster dose | 17 | $699 | $41 |
| Automated urinalysis test | 12 | $29 | $2 |
Drugs they prescribed that Part D paid
$8,274
Pharmacies billed $8,274 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
209 generic and fewer than 11 brand-name prescriptions · $8,274 in drug cost · 58 antibiotic prescriptions to 51 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.
| Azithromycin | 13 | $56 | $4 |
| Cephalexin | 11 | $34 | $3 |
Year by year
| 2024 | 235 | 143 | None | None | $8,274 |
| 2023 | 113 | 87 | 0% (0) | None | $2,360 |
| 2022 | 60 | 48 | 0% (0) | None | $769 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 2 drugs
| Doxycycline Hyclate | 14 | $198 | $14 |
| Amoxicillin-Clavulanate Potass | 19 | $170 | $9 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 84.9 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1225660186
- Licence
- CA PA58689
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Physician assistant (363A00000X); Physician assistant, medical (363AM0700X); Physician assistant, surgical (363AS0400X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2020-02-09
- NPI last updated
- 2023-10-23
- NPI record certified
- 2023-10-23
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 36 1st Ave, Charlestown, MA, 02129 · 26 California St, San Francisco, CA, 94111