NPPES file of Aug 9, 2026

Karen Alene Barr, NURSE PRACTITIONER

Adult Health Nurse Practitioner · Washington, DC

Karen Alene Barr, NURSE PRACTITIONER is an adult health nurse practitioner with a practice address in Washington, District of Columbia, and NPI 1972787489, issued on Dec 19, 2007. Check the license (District of Columbia RN65944, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972787489
Name
Karen Alene Barr
Credential
NURSE PRACTITIONER
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
RN65944 DC
24136572 VA
Self-reported in NPPES; status is on the state search
Practice location
2150 Pennsylvania Ave NW, Washington, DC 20037
Phone
(202) 741-2323
Enumerated
Dec 19, 2007
Record last updated
Dec 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(202) 659-8627
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2150 Pennsylvania Ave NW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ahmad AalamStudent in an Organized Health Care Education/Training Program1851786909
  2. Nawaf Abaalkhail, MDCritical Care Medicine (Internal Medicine) Physician1104246958
  3. Theophilus Abah, MDAnesthesiology Physician1245810696
  4. Yoosif Abdalla, MDNephrology Physician1679851760
  5. Rim Abdallah, M.D.Student in an Organized Health Care Education/Training Program1962896886
  6. Rami AbdulbakiAnatomic Pathology & Clinical Pathology Physician1851950109

Verify Karen Alene Barr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license RN65944
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

29 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Karen Barr29
  2. Specialty average1,280

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Karen Alene Barr among 111 adult health nurse practitioner records in District of Columbia

Karen Alene Barr, NURSE PRACTITIONER is one of 111 adult health nurse practitioner records with a practice address in District of Columbia. 52% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 17% of them.

  • NPI issued2007 · 17% of these records are older, 67% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileNo · 30% of these records are
  • Record last updated2007 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X 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).

Adult Health Nurse Practitioner providers in District of Columbia

There are 111 adult health nurse practitioner records in District of Columbia.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Gwen Barch, ANPWashington, DC 200371942320734
  2. Cheryl Bearringer, N.P.Washington, DC 200371669782694
  3. Judeth Beverly, CRNPWashington, DC 200371871170886
  4. Linda Bostrom, NPWashington, DC 200371942250147
  5. Tushaun Egbue, AGNP-CWashington, DC 200371528591674
  6. Tracy Holzman, NP-CWashington, DC 200371437759677
  7. Ellen McCormick, AGNP-BC, MS, RDWashington, DC 200371548595713
  8. Monique Nylund-Alm, ANP-BCWashington, DC 200371780820761

Common questions

What is Karen Alene Barr, NURSE PRACTITIONER's NPI number?

Karen Alene Barr, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1972787489, issued on Dec 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen Alene Barr, NURSE PRACTITIONER located?

The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-2323. Providers update this record themselves, so call before visiting.

How can I verify Karen Alene Barr, NURSE PRACTITIONER's license?

NPPES lists District of Columbia license number RN65944, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Alene Barr, NURSE PRACTITIONER prescribe under Medicare Part D?

In 2024, Karen Alene Barr, NURSE PRACTITIONER had 29 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions 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.