MARGARET A KAISER M.D.
NPI 1396732129
Internal Medicine in Oakland, MD
About Margaret A Kaiser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET A KAISER M.D. (NPI 1396732129) is an individual internal medicine provider in Oakland, Maryland, licensed in Maryland (D26650) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Garrett Regional Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (1979).
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
Margaret A Kaiser 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.
Medicare Billing Reassignments
3Medicare enrollment records show Margaret Kaiser reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, MD 21550
- Reassigned Medicare billing, Maryland enrollment
- 120 clinicians in this Medicare group
Oakland, MD 21550
- Reassigned Medicare billing, Maryland enrollment
- 3 clinicians in this Medicare group
Keyser, WV 26726
- Reassigned Medicare billing, West Virginia enrollment
- Also billed through NPI 1316054919 (West Virginia)
- 158 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 10
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Garrett Regional Medical Center
Acute Care Hospitals · Oakland, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 24
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
OAKLAND, MD 21550
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 Margaret Kaiser's NPI number?
The NPI number for Margaret Kaiser is 1396732129. It was assigned to this individual provider in the NPPES registry on October 6, 2005.
Where is Margaret Kaiser located?
Margaret Kaiser practices at 251 N 4th St, Oakland, MD 21550. The listed phone number is (301) 533-4000.
What is Margaret Kaiser's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Margaret Kaiser enrolled in Medicare?
Yes. Margaret Kaiser 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 Margaret Kaiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Kaiser reassigns Medicare benefits to 3 organizations: Specialty Physicians Of Garrett County, LLC (Oakland, MD), The Garrett County Sleep Center (Oakland, MD) and Potomac Valley Hospital Of W VA , Inc (Keyser, WV). 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 Margaret Kaiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Kaiser accept?
Health plans from CareSource and Highmark Blue Cross Blue Shield West Virginia list Margaret Kaiser 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 Margaret Kaiser affiliated with any hospitals?
According to CMS data, Margaret Kaiser is affiliated with Garrett Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Kaiser was last updated on May 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.