Blake Elizabeth Gregory, M.D.
NPI 1881912129ActiveIndividual· Internal Medicine· Oakland, CA
Internal Medicine (M.D.) in Oakland, California, trained at University of Texas Southwestern Medical School at Dallas (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $310,954 for 1,979 claims, against $23,669 paid for services in 2024.
Overview
| NPI | 1881912129 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 11, 2010 |
| Last updated in NPPES | Aug 15, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A119282 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 355 across 30 procedure codes |
| Paid by Medicare | $23,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,979 · 3,148 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $310,954 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California Sfgh Medical GroupSan Francisco, CA · 587 clinicians
- City and County of San FranciscoSan Francisco, CA · 365 clinicians
Hospital affiliation
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Other facilities
- American CarequestHome health agency · Burlingame, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 463 internal medicine physicians in Oakland · All internal medicine physicians in California