Doctor profile · Federal record
Dr. Karen Ma, MD
Internal Medicine Physician (CMS: Internal Medicine) · New York, NY
- NPI 1306293246
- Accepts Medicare
- MIPS 80.5 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1275 York Ave
New York, NY 100656007
(212) 639-2000
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- December 8, 2020
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #297439
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306293246. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
78
Distinct HCPCS
2
Medicare allowed
$13,708
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 45 | 45 | $196 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 33 | 33 | $148 |
In context: peer comparison
Among 559 peers in this city , average services per provider: 137. This provider delivers 0.6× the peer median.Frequently asked questions
What is Dr. Karen Ma's medical specialty?
Dr. Karen Ma practices Internal Medicine Physician in New York, NY.
Where does Dr. Karen Ma practice?
Dr. Karen Ma practices at 1275 York Ave, New York, NY 100656007. Office phone: 2126392000.
What is Dr. Karen Ma's NPI?
Dr. Karen Ma's National Provider Identifier (NPI) is 1306293246, issued by NPPES.
Does Dr. Karen Ma accept Medicare assignment?
Yes. Dr. Karen Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Ma commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.