Active NPI
Cardinal Endocrinology LLC
- Endocrinology, Diabetes & Metabolism Physician
- Pittsburgh, PA
National Provider Identifier
1285548685
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endocrinology, Diabetes & Metabolism Physician
- Legal business name
- CARDINAL ENDOCRINOLOGY LLC
- Practice address
- 1580 McLaughlin Run Rd Ste 212
Pittsburgh, PA 15241-3100 - Phone
- (412) 319-7215
- Fax
- (412) 319-7215
- NPI assigned
- Oct 1, 2026
- Last updated
- Oct 1, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Peter Michael Grondziowski, MD
- Title
- Owner
- Phone
- (412) 303-2019
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endocrinology, Diabetes & Metabolism Physician | 207RE0101X | NU | Primary |
Addresses
Primary practice location
1580 McLaughlin Run Rd Ste 212
Pittsburgh, PA 15241-3100
Mailing address
275 Jefferson Dr
Pittsburgh, PA 15228-2110
Phone (412) 319-7215
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Endocrinology, Diabetes & Metabolism Physician
- Pittsburgh, PA
- NPI 1447250469
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1790812800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1790812800000",
"number": "1285548685",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "275 JEFFERSON DR",
"city": "PITTSBURGH",
"state": "PA",
"postal_code": "152282110",
"telephone_number": "412-319-7215",
"fax_number": "412-319-7041"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1580 MCLAUGHLIN RUN RD STE 212",
"city": "PITTSBURGH",
"state": "PA",
"postal_code": "152413100",
"telephone_number": "412-319-7215",
"fax_number": "412-319-7215"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "CARDINAL ENDOCRINOLOGY LLC",
"organizational_subpart": "NO",
"enumeration_date": "2026-10-01",
"last_updated": "2026-10-01",
"certification_date": "2026-10-01",
"status": "A",
"authorized_official_last_name": "GRONDZIOWSKI",
"authorized_official_first_name": "PETER",
"authorized_official_middle_name": "MICHAEL",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "412-303-2019",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207RE0101X",
"taxonomy_group": "",
"desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Pittsburgh, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.