NPPES file of Aug 9, 2026

Marcy J. Oppenheimer, M.D.

Family Medicine Physician · Washington, DC

Marcy J. Oppenheimer, M.D. is a family medicine physician with a practice address in Washington, District of Columbia, and NPI 1023243581, issued on May 27, 2009. Check the license (District of Columbia MD040280, as entered in NPPES) 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
1023243581
Name
Marcy J. Oppenheimer
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD040280 DC
D0075220 MD
Self-reported in NPPES; status is on the state search
Practice location
1150 Varnum St NE, Washington, DC 20017
Phone
(202) 854-4812
Enumerated
May 27, 2009
Record last updated
Dec 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(202) 854-7825
Medicare enrollment
Enrolled (PECOS I20120918000096); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 350 in District of Columbia → Look up another NPI →

Also registered at 1150 Varnum St NE

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

  1. Raffat Ahmad, M.D.Diagnostic Radiology Physician1669760393
  2. Munaza Akunjee, MDInternal Medicine Physician1598172876
  3. Kimberly Alch, CNMAdvanced Practice Midwife1679581409
  4. Jane Andraka, AAAnesthesiologist Assistant1487912739
  5. Akua Asiedu, MDPediatrics Physician1659308724
  6. Nixon Asomani, M.D.Obstetrics & Gynecology Physician1912966870

Verify Marcy J. Oppenheimer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD040280    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
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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5% more Medicare Part D claims than the average family medicine physician in 2024

3,720 Medicare Part D claims for 244 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 54 claims were for opioids.

  1. Marcy Oppenheimer3,720
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium351 claims
  2. Amlodipine Besylate291 claims
  3. Hydrochlorothiazide108 claims
  4. Losartan Potassium98 claims
  5. Metformin Hcl Er93 claims
  6. Famotidine92 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

  1. Providence Health Services IncWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marcy J. Oppenheimer among 350 family medicine physician records in District of Columbia

Marcy J. Oppenheimer, M.D. is one of 350 family medicine physician records with a practice address in District of Columbia. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 55% of them.

  • NPI issued2009 · 55% of these records are older, 40% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2004 · median 2012 among the 182 with a school on file
  • Record last updated2016 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X 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).

Family Medicine Physician providers in District of Columbia

There are 350 family medicine physician records in District of Columbia.

All 350 in District of Columbia → Every provider in Washington → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Francyne Anderson, MDWashington, DC 200171932368800
  2. Deirdre Byrne, M.D.Washington, DC 200171144310392
  3. Roxana Diba, M.D.Washington, DC 200171366602658
  4. Marguerite Duane, MDWashington, DC 200171629087176
  5. Michelle Gaskins CraigWashington, DC 200171871615179
  6. Christina Gillespie, MDWashington, DC 200171801805601
  7. Cheryl Henson-Everson, M.D.Washington, DC 200171982792610
  8. Juliet Ibrahim, MDWashington, DC 200171306856075

Common questions

What is Marcy J. Oppenheimer, M.D.'s NPI number?

Marcy J. Oppenheimer, M.D.'s National Provider Identifier (NPI) is 1023243581, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Marcy J. Oppenheimer, M.D. located?

The NPPES record lists a practice address at 1150 Varnum St NE, Washington, DC, 20017. Phone: (202) 854-4812. Providers update this record themselves, so call before visiting.

How can I verify Marcy J. Oppenheimer, M.D.'s license?

NPPES lists District of Columbia license number MD040280, 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 Marcy J. Oppenheimer, M.D. prescribe under Medicare Part D?

In 2024, Marcy J. Oppenheimer, M.D. had 3,720 Medicare Part D claims for 244 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.