POTOMAC INTERNISTS, P.C.
NPI 1124319116
Internal Medicine in Washington, DC
About Potomac Internists, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
POTOMAC INTERNISTS, P.C. (NPI 1124319116) is a healthcare organization registered as an internal medicine in Washington, District Of Columbia and active in the NPI registry since April 2011. The organization holds a CLIA Waiver certificate valid through November 21, 2027 and lists Kevin G Nealon, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Potomac Internists, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Potomac Internists, P.C., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 09D2033097
Potomac Internists, PC · Washington, DCFrequently 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 Potomac Internists, P.C.'s NPI number?
The NPI number for Potomac Internists, P.C. is 1124319116. It was assigned to this organization in the NPPES registry on April 25, 2011.
Where is Potomac Internists, P.C. located?
Potomac Internists, P.C. is located at 5215 Loughboro Rd NW Suite 440, Washington, DC 20016. The listed phone number is (202) 237-2910.
What is Potomac Internists, P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Potomac Internists, P.C. enrolled in Medicare?
Yes. Potomac Internists, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Potomac Internists, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Potomac Internists, P.C.. A 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 the clinician's services. The largest specialties are Internal Medicine (4) and Sports Medicine (1). Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Potomac Internists, P.C. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 09D2033097) is associated with this NPI, valid through November 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Potomac Internists, P.C. was last updated on May 18, 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.
# Potomac Internists, P.c. · NPI 1124319116
Internal Medicine organization in Washington, District of Columbia. Organization record, active in the CMS NPPES registry since April 25, 2011.
## Identity
- **NPI:** 1124319116 (Entity type: Organization)
- **Enumerated:** April 25, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Kevin Nealon, PRESIDENT
## Practice location
- **Address:** 5215 LOUGHBORO RD NW, SUITE 440, Washington, DC 20016-2618
- **Phone:** (202) 237-2910 · **Fax:** (202) 237-2913
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (4), Sports Medicine (1); 3 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 18, 2021
- **Other identifiers:** Other 1124319116 (DC)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1124319116) · Data from the CMS NPPES public registry.