CHAN M MA MD
NPI 1487642120
Internal Medicine - Nephrology in New York, NY
About Chan M Ma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHAN M MA MD (NPI 1487642120) is an individual nephrology provider in New York, New York, licensed in New York (180042) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with King's Daughters' Medical Center, and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Chan M Ma Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Chan Ma reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10013
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Premier Renal Care PC
Ithaca, NY 14850
- Reassigned Medicare billing, New York enrollment
- 328 clinicians in this Medicare group
Ashland, KY 41101
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: Kings Daughters Medical Specialties Inc
- 531 clinicians in this Medicare group
Pikeville, KY 41501
- Reassigned Medicare billing, Kentucky enrollment
- 579 clinicians in this Medicare group
Billings, MT 59105
- Reassigned Medicare billing, Montana enrollment
- 438 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
King's Daughters' Medical Center
Acute Care Hospitals · Ashland, KYNyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Chan Ma's NPI number?
The NPI number for Chan Ma is 1487642120. It was assigned to this individual provider in the NPPES registry on October 6, 2005.
Where is Chan Ma located?
Chan Ma practices at 128 Mott St Suite 405, New York, NY 10013. The listed phone number is (212) 966-0068.
What is Chan Ma's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Chan Ma enrolled in Medicare?
Yes. Chan Ma is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Chan Ma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chan Ma reassigns Medicare benefits to 5 organizations: Premier Renal Care, P.C. (New York, NY), Cayuga Medical Associates, PC (Ithaca, NY), King's Daughters Medical Specialties, Inc. (Ashland, KY), Pikeville Medical Center Inc. (Pikeville, KY) and Scl Health Medical Group - Billings, LLC (Billings, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chan Ma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chan Ma accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Molina Healthcare list Chan Ma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Chan Ma affiliated with any hospitals?
According to CMS data, Chan Ma is affiliated with King's Daughters' Medical Center and Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Chan Ma was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Chan M Ma, MD · NPI 1487642120
Nephrology physician in New York, New York. Individual provider, active in the CMS NPPES registry since October 6, 2005.
## Identity
- **NPI:** 1487642120 (Entity type: Individual)
- **Enumerated:** October 6, 2005
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 180042 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 128 MOTT ST, SUITE 405, New York, NY 10013-5540
- **Phone:** (212) 966-0068 · **Fax:** (212) 966-0072
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Premier Renal Care, P.C. (NPI 1528137072, New York, NY); Cayuga Medical Associates, PC (NPI 1679525455, Ithaca, NY); King's Daughters Medical Specialties, Inc. (NPI 1033871447, Ashland, KY); Pikeville Medical Center Inc. (NPI 1710207865, Pikeville, KY); Scl Health Medical Group - Billings, LLC (NPI 1447866538, Billings, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** March 19, 2025
- **Other identifiers:** Medicaid 01608846 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1487642120) · Data from the CMS NPPES public registry.