Doctor profile · Federal record
Dr. Ruhong Ma, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · San Diego, CA
- NPI 1063679587
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4647 Zion Ave
San Diego, CA 92120
(619) 528-5435 - Additional location
-
354 Santa Fe Dr
Encinitas, CA 920245142
(760) 230-2251
fax (760) 230-2253 - Mailing address
-
15847 Bass Ln
San Diego, CA 921276165
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- August 11, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #20A13891 · Washington #OP61335231
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063679587. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
297
Distinct HCPCS
1
Medicare allowed
$39,467
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 297 | 283 | $133 |
In context: peer comparison
Among 193 peers in this city , average services per provider: 141. This provider delivers 2.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Ruhong Ma's medical specialty?
Dr. Ruhong Ma practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Ruhong Ma practice?
Dr. Ruhong Ma practices at 4647 Zion Ave, San Diego, CA 92120. Office phone: 6195285435.
What is Dr. Ruhong Ma's NPI?
Dr. Ruhong Ma's National Provider Identifier (NPI) is 1063679587, issued by NPPES.
Does Dr. Ruhong Ma accept Medicare assignment?
Yes. Dr. Ruhong Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruhong Ma commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.