DR. MARGARET MARY GRIFFEN M.D.
NPI 1982679593
Surgery - Surgical Critical Care in Falls Church, VA
About Dr. Margaret Mary Griffen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET MARY GRIFFEN M.D. (NPI 1982679593) is an individual surgical critical care provider in Falls Church, Virginia, licensed in Kentucky (30559) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Richmond, and maintains a secondary practice location in Lexington.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Margaret Mary Griffen 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 Griffen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, Virginia enrollment
- 2,379 clinicians in this Medicare group
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 1,502 clinicians in this Medicare group
Lexington, KY 40536
- Reassigned Medicare billing, Kentucky enrollment
- 1,761 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Health Richmond
Acute Care Hospitals · Richmond, KYSaint Joseph Mount Sterling
Acute Care Hospitals · Mount Sterling, KYUniversity Of Kentucky Hospital
Acute Care Hospitals · Lexington, KYMedicare 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.
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.
FALLS CHURCH, VA 22042
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 Griffen's NPI number?
The NPI number for Margaret Griffen is 1982679593. It was assigned to this individual provider in the NPPES registry on February 18, 2006.
Where is Margaret Griffen located?
Margaret Griffen practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-2274.
What is Margaret Griffen's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Margaret Griffen enrolled in Medicare?
Yes. Margaret Griffen 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 Griffen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Griffen reassigns Medicare benefits to 3 organizations: Inova Health Care Services (Falls Church, VA), Kentucky Medical Services Foundation, Inc (Lexington, KY) and University Of Kentucky (Lexington, KY). 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 Griffen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Griffen accept?
Health plans from Anthem Blue Cross and Blue Shield list Margaret Griffen 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 Griffen affiliated with any hospitals?
According to CMS data, Margaret Griffen is affiliated with Baptist Health Richmond, Saint Joseph Mount Sterling and University Of Kentucky Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Griffen was last updated on August 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.