Doctor profile · Federal record
Dr. Chan Ma, MD
Nephrology Physician (CMS: Nephrology) · New York, NY
- NPI 1487642120
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
128 Mott St, Suite 405
New York, NY 100135540
(212) 966-0068
fax (212) 966-0072 - Mailing address
-
7705 Shore Road
Brooklyn, NY 11209
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- March 19, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- New York #180042
- Medicaid
- NY #01608846
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487642120. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
971
Distinct HCPCS
8
Medicare allowed
$155,193
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 304 | 66 | $136 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 182 | 74 | $78 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 160 | 19 | $397 | |
90935 |
Hemodialysis procedure with physician evaluation | 110 | 59 | $77 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 30 | $87 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 65 | $190 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 34 | 31 | $127 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 17 | $130 |
In context: peer comparison
Among 96 peers in New York Nephrology Physician, average services per provider: 144. This provider delivers 6.7× the peer median.Open Payments
Industry payments received
All-time total
$4,497
Transactions
70
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 13 | $997.07 | |
| Calliditas Therapeutics US INC. | 9 | $551.42 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $375.00 | |
| Travere Therapeutics, INC. | 4 | $357.28 | |
| Ardelyx, INC. | 6 | $345.39 | |
| Gilead Sciences, INC. | 4 | $340.63 | |
| GlaxoSmithKline, LLC. | 5 | $334.22 | |
| Aurinia Pharma U.S., INC. | 2 | $253.68 | |
| Bayer Healthcare Pharmaceuticals INC. | 5 | $217.84 | |
| Amgen INC. | 3 | $195.62 | |
| Novartis Pharmaceuticals Corporation | 6 | $157.82 | |
| Intuitive Surgical, INC. | 1 | $123.44 | |
| Otsuka America Pharmaceutical, INC. | 4 | $108.66 | |
| Akebia Therapeutics INC | 3 | $70.40 | |
| Opko Pharmaceuticals, LLC | 2 | $42.84 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
951
Patients
224
Total drug cost
$391,646
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 102 | 36 | $1,050 |
| Vascepa (Icosapent Ethyl) | Brand | 101 | 17 | $36,930 |
| Lactulose | Generic | 88 | 24 | $1,667 |
| Sevelamer Carbonate | Generic | 79 | 15 | $19,474 |
| Procrit (Epoetin Alfa) | Brand | 76 | 22 | $198,554 |
| Amlodipine Besylate | Generic | 73 | 19 | $521 |
| Kerendia (Finerenone) | Brand | 66 | 12 | $46,132 |
| Losartan Potassium | Generic | 64 | 26 | $1,403 |
| Nebivolol Hcl | Generic | 59 | 20 | $4,967 |
| Hydralazine Hcl | Generic | 52 | 11 | $1,096 |
Hospital affiliations
Frequently asked questions
What is Dr. Chan Ma's medical specialty?
Dr. Chan Ma practices Nephrology Physician in New York, NY.
Where does Dr. Chan Ma practice?
Dr. Chan Ma practices at 128 Mott St, New York, NY 100135540. Office phone: 2129660068.
What is Dr. Chan Ma's NPI?
Dr. Chan Ma's National Provider Identifier (NPI) is 1487642120, issued by NPPES.
Does Dr. Chan Ma accept Medicare assignment?
Yes. Dr. Chan Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chan Ma commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.