Joan Diegel, M.D.
NPI 1073798559 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Diegel, M.D. is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1073798559).
Provider details
- NPI number
- 1073798559
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD047991-L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 295 | 71 |
| Atorvastatin Calcium | 274 | 66 |
| Metformin Hcl | 94 | 28 |
| Lisinopril | 88 | 21 |
| Losartan Potassium | 72 | 19 |
| Semaglutidebrand: Ozempic | 64 | 11 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-03
- Last updated
- 2011-12-08
Frequently asked questions
- What is Joan Diegel's NPI number?
- Joan Diegel's National Provider Identifier (NPI) is 1073798559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Diegel's specialty?
- Joan Diegel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Diegel located?
- Joan Diegel's practice location on file with NPPES is 7227 Hamilton Ave, Pittsburgh, PA 15208-1814.
- What is Joan Diegel's phone number?
- The practice phone number listed in the NPPES registry for Joan Diegel is (412) 244-4700.
- Does Joan Diegel accept Medicare?
- Joan Diegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Diegel's NPI active?
- Yes — Joan Diegel's NPI (1073798559) is active in the NPPES registry as of the last update on 2011-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.