DR. PETER MA M.D.
NPI 1811903099
Obstetrics & Gynecology in Kensington, MD
About Dr. Peter Ma M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER MA M.D. (NPI 1811903099) is an individual obstetrics & gynecology provider in Kensington, Maryland, licensed in Maryland (D24466) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter Ma M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Peter Ma reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia enrollment
- Also billed through NPI 1376601872 (District of Columbia), NPI 1497023188 (District of Columbia), NPI 1366781700 (District of Columbia)
- 726 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20895 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.
KENSINGTON, MD 20895
KENSINGTON, MD 20895
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 Peter Ma's NPI number?
The NPI number for Peter Ma is 1811903099. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Peter Ma located?
Peter Ma practices at 10810 Connecticut Ave, Kensington, MD 20895. The listed phone number is (301) 929-7269.
What is Peter Ma's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Peter Ma enrolled in Medicare?
Yes. Peter Ma is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Peter Ma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Ma reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD). The 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 Peter Ma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Peter Ma was last updated on November 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# Dr. Peter Ma, M.D. · NPI 1811903099
Obstetrics & Gynecology physician in Kensington, Maryland. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1811903099 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D24466 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 10810 CONNECTICUT AVE, Kensington, MD 20895-2138
- **Phone:** (301) 929-7269
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1578638425, Kensington, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 16, 2011
- **Other identifiers:** Medicare PIN 6334273 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1811903099) · Data from the CMS NPPES public registry.