JOHN DONALD MCCARTHY RN NP
NPI 1558486795
Nurse Practitioner in Washington, DC
About John Donald Mccarthy Rn Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DONALD MCCARTHY RN NP (NPI 1558486795) is an individual nurse practitioner in Washington, District Of Columbia, licensed in District Of Columbia (RN64449) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Donald Mccarthy Rn Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Mccarthy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20009
- Reassigned Medicare billing, District of Columbia enrollment
- 343 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20009 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20009
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 Mccarthy's NPI number?
The NPI number for John Mccarthy is 1558486795. It was assigned to this individual provider in the NPPES registry on March 20, 2007.
Where is John Mccarthy located?
John Mccarthy practices at 1717 Columbia Rd NW, Washington, DC 20009. The listed phone number is (202) 328-1100.
What is John Mccarthy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is John Mccarthy enrolled in Medicare?
Yes. John Mccarthy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Mccarthy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mccarthy reassigns Medicare benefits to Unity Health Care, Inc. (Washington, DC). The 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 Mccarthy'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 John Mccarthy 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.
# John Donald Mccarthy, RN NP · NPI 1558486795
Nurse Practitioner physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 20, 2007.
## Identity
- **NPI:** 1558486795 (Entity type: Individual)
- **Enumerated:** March 20, 2007
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN64449 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1717 COLUMBIA RD NW, Washington, DC 20009-2803
- **Phone:** (202) 328-1100 · **Fax:** (202) 232-4972
## 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:** Unity Health Care, Inc. (NPI 1093894172, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 18767C58; Medicare UPIN Q61831; Medicaid 22524700 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1558486795) · Data from the CMS NPPES public registry.