Doctor profile · Federal record
Dr. Blake Gregory, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Oakland, CA
- NPI 1881912129
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1411 E 31St St
Oakland, CA 946021018
(214) 537-8323 - Mailing address
-
15400 Foothill Blvd, Alameda Health System
San Leandro, CA 945781009
Credentials & registration
- NPI registered
- May 2010 — 16 yrs on file
- Profile last updated
- August 15, 2014
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A119282
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881912129. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
344
Distinct HCPCS
10
Medicare allowed
$30,997
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 92 | 60 | $105 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 53 | 36 | $151 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 29 | 20 | $67 | |
G0008 |
Administration of influenza virus vaccine | 29 | 29 | $8 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 27 | 27 | $281 | |
90480 |
Admn sarscov2 vacc 1 dose | 25 | 25 | $26 | |
90662 |
Influenza vaccine split virus, preservative free | 25 | 25 | $0 | |
G0009 |
Administration of pneumococcal vaccine | 20 | 20 | $26 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 19 | 15 | $77 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 14 | 11 | $40 |
In context: peer comparison
Among 78 peers in Oakland Internal Medicine Physician, average services per provider: 326. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,078
Patients
158
Total drug cost
$19,784
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 185 | 37 | $2,725 |
| Gabapentin | Generic | 123 | 20 | $3,838 |
| Amlodipine Besylate | Generic | 106 | 24 | $1,473 |
| Metformin Hcl | Generic | 87 | 19 | $1,317 |
| Losartan Potassium | Generic | 69 | 17 | $1,236 |
| Tamsulosin Hcl | Generic | 68 | 15 | $2,098 |
| Metoprolol Succinate | Generic | 63 | 13 | $1,021 |
| Furosemide | Generic | 62 | 0 | $288 |
| Pantoprazole Sodium | Generic | 57 | 13 | $1,445 |
| Lisinopril | Generic | 51 | 0 | $561 |
Hospital affiliations
Frequently asked questions
What is Dr. Blake Gregory's medical specialty?
Dr. Blake Gregory practices Internal Medicine Physician in Oakland, CA.
Where does Dr. Blake Gregory practice?
Dr. Blake Gregory practices at 1411 E 31St St, Oakland, CA 946021018. Office phone: 2145378323.
What is Dr. Blake Gregory's NPI?
Dr. Blake Gregory's National Provider Identifier (NPI) is 1881912129, issued by NPPES.
Does Dr. Blake Gregory accept Medicare assignment?
Yes. Dr. Blake Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Blake Gregory commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.