Catherine Anne Varnum, MD, M.P.H.
Internal Medicine Physician · Washington, DC
Catherine Anne Varnum, MD, M.P.H. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1124553227, issued on Apr 26, 2017. Check the license (District of Columbia MD048669, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Catherine Anne Varnum
- Credential
- MD, M.P.H.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD048669 DC
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Ave NW, Washington, DC 20037
- Phone
- (202) 741-2222
- Enumerated
- Apr 26, 2017
- Record last updated
- Sep 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201014000015); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 2150 Pennsylvania Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Anne Varnum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD048669Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,473 Medicare Part D claims for 184 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium130 claims
- Amlodipine Besylate92 claims
- Lisinopril53 claims
- Gabapentin41 claims
- Losartan Potassium40 claims
- Rosuvastatin Calcium36 claims
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.
Bills Medicare through one group practice
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Anne Varnum among 901 internal medicine physician records in District of Columbia
Catherine Anne Varnum, MD, M.P.H. 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2008 among the 513 with a school on file
- Record last updated2020 · 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.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Marie Borum, MDWashington, DC 200371487616397
- Ryan Bosch, MDWashington, DC 200371861451866
- Samia Burton, MDWashington, DC 200371578540662
- Letitia Carlson, MDWashington, DC 200371528021789
- Jehan El-Bayoumi, MDWashington, DC 200371588623409
Common questions
What is Catherine Anne Varnum, MD, M.P.H.'s NPI number?
Catherine Anne Varnum, MD, M.P.H.'s National Provider Identifier (NPI) is 1124553227, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Anne Varnum, MD, M.P.H. located?
The NPPES record lists a practice address at 2150 Pennsylvania Ave NW, Washington, DC, 20037. Phone: (202) 741-2222. Providers update this record themselves, so call before visiting.
How can I verify Catherine Anne Varnum, MD, M.P.H.'s license?
NPPES lists District of Columbia license number MD048669, as entered by the provider. 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 Catherine Anne Varnum, MD, M.P.H. prescribe under Medicare Part D?
In 2024, Catherine Anne Varnum, MD, M.P.H. had 1,473 Medicare Part D claims for 184 beneficiaries; 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.