Doctor profile · Federal record
Dr. Rena Fox, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA
- NPI 1013067040
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-4624
fax (415) 353-2640 - Mailing address
-
1635 Divisadero St Ste 625, Box 1821
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 21, 2008
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A72286
- Medicaid
- CA #00A722860
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013067040. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
522
Distinct HCPCS
4
Medicare allowed
$66,974
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 307 | 144 | $161 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 133 | 107 | $109 | |
99421 |
Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes | 52 | 41 | $14 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 30 | $74 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$9,027
Transactions
8
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 8 | $9,026.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,430
Patients
468
Total drug cost
$81,359
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 313 | 102 | $4,734 |
| Amlodipine Besylate | Generic | 181 | 61 | $2,402 |
| Levothyroxine Sodium | Generic | 133 | 41 | $4,797 |
| Omeprazole | Generic | 92 | 34 | $2,105 |
| Losartan Potassium | Generic | 85 | 32 | $1,812 |
| Lisinopril | Generic | 82 | 24 | $724 |
| Benazepril Hcl | Generic | 80 | 24 | $1,784 |
| Metoprolol Succinate | Generic | 71 | 26 | $2,037 |
| Gabapentin | Generic | 67 | 23 | $1,694 |
| Metformin Hcl | Generic | 65 | 22 | $792 |
Hospital affiliations
Frequently asked questions
What is Dr. Rena Fox's medical specialty?
Dr. Rena Fox practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Rena Fox practice?
Dr. Rena Fox practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153534624.
What is Dr. Rena Fox's NPI?
Dr. Rena Fox's National Provider Identifier (NPI) is 1013067040, issued by NPPES.
Does Dr. Rena Fox accept Medicare assignment?
Yes. Dr. Rena Fox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rena Fox commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes (HCPCS 99421). Source: CMS Medicare Physician & Other Practitioners file.