DR. GEOFFREY G MOUNTVARNER M.D.
NPI 1316947617
Emergency Medicine in Washington, DC
About Dr. Geoffrey G Mountvarner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFFREY G MOUNTVARNER M.D. (NPI 1316947617) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in Maryland (D0054648) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Geoffrey G Mountvarner M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Geoffrey Mountvarner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 251 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 2
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 20060 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20060
WASHINGTON, DC 20060
WASHINGTON, DC 20060
WASHINGTON, DC 20060
WASHINGTON, DC 20060
WASHINGTON, DC 20060
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 Geoffrey Mountvarner's NPI number?
The NPI number for Geoffrey Mountvarner is 1316947617. It was assigned to this individual provider in the NPPES registry on July 28, 2005.
Where is Geoffrey Mountvarner located?
Geoffrey Mountvarner practices at 2041 Georgia Ave NW Emergency Dept Admin Office, Washington, DC 20060. The listed phone number is (202) 865-1121.
What is Geoffrey Mountvarner's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Geoffrey Mountvarner enrolled in Medicare?
Yes. Geoffrey Mountvarner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Geoffrey Mountvarner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Mountvarner reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Bethesda, MD) and Mep Health, LLC (Rockville, MD). 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 Geoffrey Mountvarner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Geoffrey Mountvarner was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Geoffrey G Mountvarner, M.D. · NPI 1316947617
Emergency Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since July 28, 2005.
## Identity
- **NPI:** 1316947617 (Entity type: Individual)
- **Enumerated:** July 28, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D0054648 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2041 GEORGIA AVE NW, EMERGENCY DEPT ADMIN OFFICE, Washington, DC 20060-0001
- **Phone:** (202) 865-1121
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1578569240, Bethesda, MD); Mep Health, LLC (NPI 1164483558, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN H24059; Medicare ID-Type Unspecified 139N091
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Source: [NPI Profile](https://npiprofile.com/npi/1316947617) · Data from the CMS NPPES public registry.