Chan M. Ma, MD
Nephrology Physician · New York, NY
Chan M. Ma, MD is a nephrology physician with a practice address in New York, New York, and NPI 1487642120, issued on Oct 6, 2005. Check the license (New York 180042, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Chan M. Ma
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 180042 NY
Self-reported in NPPES; status is on the state search - Practice location
- 128 Mott St, New York, NY 10013
- Phone
- (212) 966-0068
- Enumerated
- Oct 6, 2005
- Record last updated
- Mar 19, 2025
- Fax
- (212) 966-0072
- Medicaid ID
- 01608846 NY
- Medicare enrollment
- Enrolled (PECOS I20040709001296); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 128 Mott St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Chan, M.D.Specialist1609946599
- Fung Chan, M.D.Otolaryngology Physician1659670396
- Tina Chan, O.D.Optometrist1316252232
- Athena Chen, ODOptometrist1376403253
- Daniel Cheng, MDPhysical Medicine & Rehabilitation Physician1508860461
- Lily Chin, ODOptometrist1497069009
Verify Chan M. Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 180042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average nephrology physician in 2024
1,514 Medicare Part D claims for 196 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Lactulose115 claims
- Furosemide106 claims
- Sevelamer Carbonate96 claims
- Kerendia86 claims
- Losartan Potassium81 claims
- Vascepa76 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,497.08
71 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Kings Daughters Medical Specialties IncAshland, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chan M. Ma among 1,049 nephrology physician records in New York
Chan M. Ma, MD is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1988 · median 1999 among the 764 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in New York
There are 1,049 nephrology physician records in New York.
All 1,049 in New York → Every provider in New York → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Richard Chan, MDNew York, NY 100131275506438
- Susie Chung, M.D.New York, NY 100131760417471
- Dara Huang, MD, MMSCNew York, NY 100131245481555
- Jun LiNew York, NY 100131467955336
- Dang Nguyen, M.D.New York, NY 100131871512517
- Wei Sun, M.D.New York, NY 100131588633135
- Nai Yao, MDNew York, NY 100131053326843
- Brent Williams, M.D.New York, NY 100141114963428
Common questions
What is Chan M. Ma, MD's NPI number?
Chan M. Ma, MD's National Provider Identifier (NPI) is 1487642120, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Chan M. Ma, MD located?
The NPPES record lists a practice address at 128 Mott St, New York, NY, 10013. Phone: (212) 966-0068. Providers update this record themselves, so call before visiting.
How can I verify Chan M. Ma, MD's license?
NPPES lists New York license number 180042, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chan M. Ma, MD prescribe under Medicare Part D?
In 2024, Chan M. Ma, MD had 1,514 Medicare Part D claims for 196 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.