William Richard Whalen, DNP
Family Nurse Practitioner · Washington, DC
William Richard Whalen, DNP is a family nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1285433961, issued on Mar 13, 2025. Check the license (District of Columbia NP1039090, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Richard Whalen
- Credential
- DNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- NP1039090 DC
AC007318 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5255 Loughboro RD NW, Washington, DC 20016
- Phone
- (202) 660-5182
- Enumerated
- Mar 13, 2025
- Record last updated
- Jun 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20250616001129); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 682 in District of Columbia → Look up another NPI →
Also registered at 5255 Loughboro RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Richard Whalen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license NP1039090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Johns Hopkins Community Physicians, IncLaurel, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Richard Whalen among 682 family nurse practitioner records in District of Columbia
William Richard Whalen, DNP is one of 682 family nurse practitioner records with a practice address in District of Columbia. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 95% of them.
- NPI issued2025 · 95% of these records are older, 1% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2021 · median 2019 among the 311 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
675 family nurse practitioner records list a practice address in Washington
They are 675 of the 45,857 NPPES records with a practice address in Washington, and 682 family nurse practitioner records in District of Columbia.
All 682 in District of Columbia → Every provider in Washington → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Maria Bertagnolli, FNPWashington, DC 200161932424959
- Catherine Bishop, DNP, N.P.Washington, DC 200161457550444
- Joy Bright-Agindotan, NPWashington, DC 200161184004178
- Jamestina Diop, RN, MSN, CRNPWashington, DC 200161134510266
- Heather Duhame, NPWashington, DC 200161912322991
- Mary Gleason, MARY GLEASON, FNP-BCWashington, DC 200161992035174
- Judith HandjinicolaouWashington, DC 200161114902855
- Phoebe Joseph, FNP-BCWashington, DC 200161316266547
Common questions
What is William Richard Whalen, DNP's NPI number?
William Richard Whalen, DNP's National Provider Identifier (NPI) is 1285433961, issued on Mar 13, 2025. An NPI identifies a provider in billing; it is not a license.
Where is William Richard Whalen, DNP located?
The NPPES record lists a practice address at 5255 Loughboro RD NW, Washington, DC, 20016. Phone: (202) 660-5182. Providers update this record themselves, so call before visiting.
How can I verify William Richard Whalen, DNP's license?
NPPES lists District of Columbia license number NP1039090, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.