Doctor profile · Federal record
Dr. Andrew Ren, MD
Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA
- NPI 1346475928
- Accepts Medicare
- 19 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4950 W Sunset Blvd, 6Th Floor
Los Angeles, CA 900275822
(323) 783-3810 - Mailing address
-
449 N Catalina Ave, Apt 204
Pasadena, CA 911061087
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- November 2, 2021
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A106267
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346475928. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
35
Distinct HCPCS
1
Medicare allowed
$2,915
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 12 | $83 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
93
Patients
38
Total drug cost
$5,135
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 26 | 22 | $289 |
| Pradaxa (Dabigatran Etexilate Mesylate) | Brand | 21 | 0 | $4,186 |
| Prednisone | Generic | 19 | 16 | $217 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 15 | 0 | $226 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 12 | 0 | $217 |
Frequently asked questions
What is Dr. Andrew Ren's medical specialty?
Dr. Andrew Ren practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Andrew Ren practice?
Dr. Andrew Ren practices at 4950 W Sunset Blvd, Los Angeles, CA 900275822. Office phone: 3237833810.
What is Dr. Andrew Ren's NPI?
Dr. Andrew Ren's National Provider Identifier (NPI) is 1346475928, issued by NPPES.
Does Dr. Andrew Ren accept Medicare assignment?
Yes. Dr. Andrew Ren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Ren commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.