NPPES file of Aug 9, 2026

Caitlin Joyce Crowther, M.D.

Internal Medicine Physician · Washington, DC

Caitlin Joyce Crowther, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1558522292, issued on Jun 24, 2008. Check the license on the District of Columbia Board of Medicine; 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
1558522292
Name
Caitlin Joyce Crowther
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
0101250101 VA
Self-reported in NPPES; status is on the state search
Practice location
50 Irving St NW, Washington, DC 20422
Phone
(202) 745-8000
Enumerated
Jun 24, 2008
Record last updated
Dec 21, 2012 (not updated in 14 years: call before relying on the address or phone)
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.
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Also registered at 50 Irving St NW

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

  1. Lelisse AbateGerontology Nurse Practitioner1629523337
  2. Jibril Abdus-Samad, PHARM.D.Pharmacotherapy Pharmacist1386743243
  3. Maureen AbehAdult Psychiatric/Mental Health Registered Nurse1396519021
  4. Katie Abu-Saba, DDSStudent in an Organized Health Care Education/Training Program1447149539
  5. Khadega Abuelgasim Ahmed, M.DInternal Medicine Physician1801070297
  6. Vinielle Acha-Morfaw, RNEmergency Registered Nurse1568003796

Verify Caitlin Joyce Crowther in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck 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
Open 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.

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

45 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Caitlin Crowther45
  2. Specialty average3,176

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.

Caitlin Joyce Crowther among 901 internal medicine physician records in District of Columbia

Caitlin Joyce Crowther, M.D. is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.

  • NPI issued2008 · 45% of these records are older, 46% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2012 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X 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).

891 internal medicine physician records list a practice address in Washington

They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Katherine Auerswald, MDWashington, DC 204221679676894
  2. Sharon Baratz, MDWashington, DC 204221538121009
  3. Jacqueline Corrigan-Curay, MDWashington, DC 204221619079605
  4. Neil Evans, MDWashington, DC 204221154300838
  5. Navjit Goraya, M.D.Washington, DC 204221356443949
  6. Alan Greenberg, MDWashington, DC 204221184735649
  7. Daniel Herman, M.D.Washington, DC 204221891806683
  8. Navreet Kallar, M.D., M.P.H.Washington, DC 204221295770873

Common questions

What is Caitlin Joyce Crowther, M.D.'s NPI number?

Caitlin Joyce Crowther, M.D.'s National Provider Identifier (NPI) is 1558522292, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Joyce Crowther, M.D. located?

The NPPES record lists a practice address at 50 Irving St NW, Washington, DC, 20422. Phone: (202) 745-8000. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Joyce Crowther, M.D.'s license?

Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Caitlin Joyce Crowther, M.D. prescribe under Medicare Part D?

In 2024, Caitlin Joyce Crowther, M.D. had 45 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.