Marcy Oppenheimer, M.D.
NPI 1023243581 · Family Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcy Oppenheimer, M.D. is a Family Medicine Physician provider in Washington, DC (NPI 1023243581).
Provider details
- NPI number
- 1023243581
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD040280 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
535 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 248 | $147 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 84 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $149 |
| Hemoglobin A1c Level, By Device for Home Use83037 | 41 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $104 |
| Telephone Medical Discussion With Physician, 11-20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 351 | 96 |
| Amlodipine Besylate | 291 | 80 |
| Hydrochlorothiazide | 108 | 27 |
| Losartan Potassium | 98 | 26 |
| Metformin Hclbrand: Metformin Hcl Er | 93 | 24 |
| Famotidine | 92 | 22 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-27
- Last updated
- 2016-12-01
Frequently asked questions
- What is Marcy Oppenheimer's NPI number?
- Marcy Oppenheimer's National Provider Identifier (NPI) is 1023243581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcy Oppenheimer's specialty?
- Marcy Oppenheimer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcy Oppenheimer located?
- Marcy Oppenheimer's practice location on file with NPPES is 1150 Varnum St Ne, Washington, DC 20017-2104.
- What is Marcy Oppenheimer's phone number?
- The practice phone number listed in the NPPES registry for Marcy Oppenheimer is (202) 854-4812.
- Does Marcy Oppenheimer accept Medicare?
- Marcy Oppenheimer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcy Oppenheimer's NPI active?
- Yes — Marcy Oppenheimer's NPI (1023243581) is active in the NPPES registry as of the last update on 2016-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.