DR. FRANCES ELIZABETH WILLIAMS MD
NPI 1285673368
Internal Medicine in Washington, DC
About Dr. Frances Elizabeth Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANCES ELIZABETH WILLIAMS MD (NPI 1285673368) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Virginia (0101229146) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Frances Elizabeth Williams 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
4Medicare enrollment records show Frances Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20017
- Reassigned Medicare billing, District of Columbia enrollment
- 2 clinicians in this Medicare group
Alexandria, VA 22304
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 160 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, District of Columbia enrollment
- 136 clinicians in this Medicare group
Cambridge, MA 02139
- Reassigned Medicare billing, District of Columbia, Maryland and Virginia enrollments
- Medicare enrollment name: East Harbor Partners PC
- 4 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20020 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Frances Williams's NPI number?
The NPI number for Frances Williams is 1285673368. It was assigned to this individual provider in the NPPES registry on June 5, 2006.
Where is Frances Williams located?
Frances Williams practices at 2516 Sheridan Rd SE Ste A, Washington, DC 20020. The listed phone number is (202) 610-6106.
What is Frances Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Frances Williams enrolled in Medicare?
Yes. Frances Williams 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 Frances Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frances Williams reassigns Medicare benefits to 4 organizations: (Washington, DC), Inova Health Care Services (Alexandria, VA), Mdics Rehabilitative Services LLC (Glen Burnie, MD) and East Harbor Partners, P.C. (Cambridge, MA). 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 Frances Williams'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 Frances Williams was last updated on February 8, 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.
# Dr. Frances Elizabeth Williams, MD · NPI 1285673368
Internal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since June 5, 2006.
## Identity
- **NPI:** 1285673368 (Entity type: Individual)
- **Enumerated:** June 5, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 0101229146 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2516 SHERIDAN RD SE STE A, Washington, DC 20020-5265
- **Phone:** (202) 610-6106 · **Fax:** (202) 610-6107
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): (NPI 1740415264, Washington, DC); Inova Health Care Services (NPI 1255684460, Alexandria, VA); Mdics Rehabilitative Services LLC (NPI 1124313309, Glen Burnie, MD); East Harbor Partners, P.C. (NPI 1720879844, Cambridge, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** February 8, 2021
- **Other identifiers:** Other 047896 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1285673368) · Data from the CMS NPPES public registry.