Doctor profile · Federal record
Dr. Alyssa Ren, MD
Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · San Francisco, CA
- NPI 1811331903
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4 Embarcadero Ctr Lbby Level5Th
San Francisco, CA 941114174
(415) 529-4566
fax (415) 252-7176 - Mailing address
-
130 Sutter St Fl 2
San Francisco, CA 941044009
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- March 14, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #141628
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811331903. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
58
Distinct HCPCS
2
Medicare allowed
$7,573
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 31 | 29 | $151 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 18 | $107 |
In context: peer comparison
Among 82 peers in San Francisco Family Medicine Physician, average services per provider: 96. This provider delivers 0.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
36
Patients
0
Total drug cost
$3,202
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 14 | 0 | $194 |
| Losartan Potassium | Generic | 11 | 0 | $150 |
| Synthroid (Levothyroxine Sodium) | Brand | 11 | 0 | $2,858 |
Frequently asked questions
What is Dr. Alyssa Ren's medical specialty?
Dr. Alyssa Ren practices Family Medicine Physician in San Francisco, CA.
Where does Dr. Alyssa Ren practice?
Dr. Alyssa Ren practices at 4 Embarcadero Ctr Lbby Level5Th, San Francisco, CA 941114174. Office phone: 4155294566.
What is Dr. Alyssa Ren's NPI?
Dr. Alyssa Ren's National Provider Identifier (NPI) is 1811331903, issued by NPPES.
Does Dr. Alyssa Ren accept Medicare assignment?
Yes. Dr. Alyssa Ren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Ren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.