DR. KELVIN K MA MD
NPI 1215115308
Psychiatry & Neurology - Neurology in Seattle, WA
About Dr. Kelvin K Ma Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KELVIN K MA MD (NPI 1215115308) is an individual neurology provider in Seattle, Washington, licensed in Washington (MD00022157) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of Mcgill University Faculty Of Dentistry (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Kelvin K 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
6Medicare enrollment records show Kelvin Ma reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98105
- Reassigned Medicare billing, Washington enrollment
- 1,021 clinicians in this Medicare group
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 566 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 clinicians in this Medicare group
Pomona, CA 91767
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1649372673 (California)
- 1,051 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 5
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Virginia Mason Medical Center
Acute Care Hospitals · Seattle, WAHighline Medical Center
Acute Care Hospitals · Burien, WASt Francis Community Hospital
Acute Care Hospitals · Federal Way, WAKittitas Valley Community Hospital
Critical Access Hospitals · Ellensburg, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Kelvin Ma's NPI number?
The NPI number for Kelvin Ma is 1215115308. It was assigned to this individual provider in the NPPES registry on January 31, 2008.
Where is Kelvin Ma located?
Kelvin Ma practices at 1117 36th Ave E, Seattle, WA 98112. The listed phone number is (800) 926-8273.
What is Kelvin Ma's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Kelvin Ma enrolled in Medicare?
Yes. Kelvin 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 Kelvin Ma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelvin Ma reassigns Medicare benefits to 6 organizations: Virginia Mason Medical Center (Seattle, WA), Overlake Medical Clinics LLC (Bellevue, WA), Yakima Valley Memorial Physicians (Yakima, WA), Legacy Salmon Creek Hospital (Vancouver, WA), The Neurology Group Inc (Pomona, CA) and 1 more organization, listed in the Medicare section above. 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 Kelvin Ma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelvin Ma accept?
Health plans from Ambetter Health, Cigna HealthCare of Arizona, Inc, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Kelvin 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 Kelvin Ma affiliated with any hospitals?
According to CMS data, Kelvin Ma is affiliated with Virginia Mason Medical Center, Highline Medical Center, St Francis Community Hospital and Kittitas Valley Community Hospital.
When was this NPI record last updated?
The NPPES record for Kelvin Ma was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Kelvin K Ma, MD · NPI 1215115308
Neurology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 31, 2008.
## Identity
- **NPI:** 1215115308 (Entity type: Individual)
- **Enumerated:** January 31, 2008
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** MD00022157 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1117 36TH AVE E, Seattle, WA 98112-4429
- **Phone:** (800) 926-8273 · **Fax:** (888) 539-8781
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Virginia Mason Medical Center (NPI 1104974302, Seattle, WA); Overlake Medical Clinics LLC (NPI 1871745703, Bellevue, WA); Yakima Valley Memorial Physicians (NPI 1306933940, Yakima, WA); Legacy Salmon Creek Hospital (NPI 1356357784, Vancouver, WA); The Neurology Group Inc (NPI 1376967422, Pomona, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mcgill University Faculty Of Dentistry, class of 1983
## Record status
- **NPPES last updated:** May 29, 2026
- **Other identifiers:** Medicaid 1302264 (WA); Other 0067266 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215115308) · Data from the CMS NPPES public registry.