Spenser Harvey Perloff, M.D.
NPI 1861855272ActiveIndividual· Obstetrics & Gynecology· San Ramon, CA
Obstetrics & Gynecology (M.D.) with John Muir Physician Network, practicing in San Ramon, California. Part D covered 33 prescriptions written in 2024, 97% of them generic. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $683.07 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1861855272 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2016 |
| Last updated in NPPES | Mar 26, 2025 |
| Certified by provider | Mar 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | C200957 | CA |
| Obstetrics & Gynecology | 207V00000X | 2022049875 | MO |
| Obstetrics & Gynecology | 207V00000X | 37070 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (CA); Practitioner - Obstetrics/Gynecology (MO); Practitioner - Emergency Medicine (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 48 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $2,477 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
Industry payments (Open Payments)
- 2025$683.07 · 25 payments from 9 companies
- 2024$21.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $266.99 | 9 |
| Intuitive Surgical, Inc. | $124.19 | 1 |
| Biogen, Inc. | $116.67 | 5 |
| Mayne Pharma Commercial LLC | $60.21 | 5 |
| Dexcom, Inc. | $32.75 | 1 |
What the 2025 payments were for
- Food and Beverage$683.07 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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