Doctor profile · Federal record
Dr. Kevin Grumbach, MD
Family Medicine Physician (CMS: Family Practice) · San Francisco, CA
- NPI 1114942794
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1001 Potrero Ave, Bldg 80 Ward 83
San Francisco, CA 941103518
(415) 206-8651
fax (415) 206-8387 - Mailing address
-
Po Box 7464
San Francisco, CA 941207464
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G59564
- Medicaid
- CA #00G595640
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114942794. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
112
Distinct HCPCS
3
Medicare allowed
$12,442
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 78 | 50 | $90 | |
99239 |
Hospital discharge day management, more than 30 minutes | 19 | 19 | $132 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $197 |
In context: peer comparison
Among 82 peers in San Francisco Family Medicine Physician, average services per provider: 96. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
339
Patients
37
Total drug cost
$21,720
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 42 | 13 | $753 |
| Amlodipine Besylate | Generic | 39 | 12 | $586 |
| Metformin Hcl | Generic | 36 | 12 | $776 |
| Benazepril Hcl | Generic | 25 | 0 | $556 |
| Tamsulosin Hcl | Generic | 25 | 0 | $563 |
| Clonazepam | Generic | 24 | 0 | $530 |
| Oxycodone Hcl | Generic | 19 | 0 | $654 |
| Gabapentin | Generic | 18 | 0 | $547 |
| Losartan Potassium | Generic | 17 | 0 | $85 |
| Omeprazole | Generic | 17 | 0 | $351 |
Hospital affiliations
Frequently asked questions
What is Dr. Kevin Grumbach's medical specialty?
Dr. Kevin Grumbach practices Family Medicine Physician in San Francisco, CA.
Where does Dr. Kevin Grumbach practice?
Dr. Kevin Grumbach practices at 1001 Potrero Ave, San Francisco, CA 941103518. Office phone: 4152068651.
What is Dr. Kevin Grumbach's NPI?
Dr. Kevin Grumbach's National Provider Identifier (NPI) is 1114942794, issued by NPPES.
Does Dr. Kevin Grumbach accept Medicare assignment?
Yes. Dr. Kevin Grumbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kevin Grumbach commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.