Joseph Muller, M.D.
NPI 1033505342 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Muller, M.D. is a Internal Medicine Physician provider in Washington, DC (NPI 1033505342).
Provider details
- NPI number
- 1033505342
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD048514 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 46 | 18 |
| Amlodipine Besylate | 35 | 13 |
| Lisinopril | 24 | — |
| Fluticasone Propionate | 17 | — |
| Diclofenac Sodium | 15 | — |
| Semaglutidebrand: Ozempic | 14 | — |
| Carvedilol | 13 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1800 Orleans StThe Johns Hopkins HospitalBaltimore, MD 21287-0010Phone: (410) 955-7911
Registry dates
- Enumerated
- 2015-04-13
- Last updated
- 2020-07-13
- Certified
- 2020-07-13
Frequently asked questions
- What is Joseph Muller's NPI number?
- Joseph Muller's National Provider Identifier (NPI) is 1033505342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Muller's specialty?
- Joseph Muller is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Muller located?
- Joseph Muller's practice location on file with NPPES is 4414 Benning Rd Ne, Washington, DC 20019-4555.
- What is Joseph Muller's phone number?
- The practice phone number listed in the NPPES registry for Joseph Muller is (202) 469-4699.
- Does Joseph Muller accept Medicare?
- Joseph Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Muller's NPI active?
- Yes — Joseph Muller's NPI (1033505342) is active in the NPPES registry as of the last update on 2020-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.