Peter Grondziowski, MD
NPI 1447250469 · Endocrinology, Diabetes & Metabolism Physician · Pittsburgh, PA
Enrolled with Medicare as Order and Referring Only - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Grondziowski, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Pittsburgh, PA (NPI 1447250469).
Provider details
- NPI number
- 1447250469
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD044862L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 82 | 27 |
| Levothyroxine Sodiumbrand: Synthroid | 66 | 19 |
| Rosuvastatin Calcium | 52 | 18 |
| Semaglutidebrand: Ozempic | 46 | — |
| Levothyroxine Sodium | 40 | 12 |
| Insulin Degludecbrand: Tresiba Flextouch U-200 | 37 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$882 across 37 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-01
- Last updated
- 2014-08-26
Frequently asked questions
- What is Peter Grondziowski's NPI number?
- Peter Grondziowski's National Provider Identifier (NPI) is 1447250469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Grondziowski's specialty?
- Peter Grondziowski is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Grondziowski located?
- Peter Grondziowski's practice location on file with NPPES is 1580 Mclaughlin Run Rd, Pittsburgh, PA 15241-3100.
- What is Peter Grondziowski's phone number?
- The practice phone number listed in the NPPES registry for Peter Grondziowski is (412) 319-7215.
- Does Peter Grondziowski accept Medicare?
- Peter Grondziowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Grondziowski's NPI active?
- Yes — Peter Grondziowski's NPI (1447250469) is active in the NPPES registry as of the last update on 2014-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.