JOHN GILSTAD MD
NPI 1669473856
Internal Medicine - Geriatric Medicine in Fpo, AP
About John Gilstad Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN GILSTAD MD (NPI 1669473856) is an individual geriatric medicine provider in Fpo, AP, licensed in Maryland (47855) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1993).
NPPES Registry Identity
Specialties & Licenses
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
John Gilstad 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
3Medicare enrollment records show John Gilstad reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Henrico, VA 23229
- Reassigned Medicare billing, Virginia enrollment
- 27 clinicians in this Medicare group
Roanoke, VA 24011
- Reassigned Medicare billing, Virginia enrollment
- 194 clinicians in this Medicare group
Walla Walla, WA 99362
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1306897681 (Washington)
- 232 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 3
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.
Mary Washington Hospital
Acute Care Hospitals · Fredericksburg, VAOther Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FPO, AP 96350
PSC 475 AP, CA 96350
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 Gilstad's NPI number?
The NPI number for John Gilstad is 1669473856. It was assigned to this individual provider in the NPPES registry on August 10, 2005.
Where is John Gilstad located?
John Gilstad practices at Us Naval Hospital Psc 475 Box 1723, Fpo, AP 96350.
What is John Gilstad's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is John Gilstad enrolled in Medicare?
Yes. John Gilstad 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 John Gilstad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Gilstad reassigns Medicare benefits to 3 organizations: Harmony At Home Provider Services LLC (Henrico, VA), Universal Health Corporation (Roanoke, VA) and Prosser Public Hospital District Of Benton County (Walla Walla, WA). 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 John Gilstad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Gilstad affiliated with any hospitals?
According to CMS data, John Gilstad is affiliated with Mary Washington Hospital.
When was this NPI record last updated?
The NPPES record for John Gilstad was last updated on April 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.