DR. JOHN MING-KAY MA M.D.
NPI 1912901737
Family Medicine in Houston, TX
About Dr. John Ming-kay Ma M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MING-KAY MA M.D. (NPI 1912901737) is an individual family medicine provider in Houston, Texas, licensed in Texas (K5341) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Ming-kay Ma M.d. 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.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77098 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
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 John Ma's NPI number?
The NPI number for John Ma is 1912901737. It was assigned to this individual provider in the NPPES registry on June 9, 2005.
Where is John Ma located?
John Ma practices at 3300 Kirby Dr Ste 1A, Houston, TX 77098. The listed phone number is (888) 663-6331.
What is John Ma's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Ma enrolled in Medicare?
Yes. John 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.
What insurance does John Ma accept?
Health plans from Molina Healthcare list John 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.
When was this NPI record last updated?
The NPPES record for John Ma was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. John Ming-Kay Ma, M.D. · NPI 1912901737
Family Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 9, 2005.
## Identity
- **NPI:** 1912901737 (Entity type: Individual)
- **Enumerated:** June 9, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** K5341 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 KIRBY DR STE 1A, Houston, TX 77098-1879
- **Phone:** (888) 663-6331 · **Fax:** (415) 252-7176
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** January 21, 2026
- **Other identifiers:** Medicaid 142480605 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1912901737) · Data from the CMS NPPES public registry.