Active NPI
Mary Ann Sehrer, CRNP
- Nurse Practitioner
- Pittsburgh, PA
National Provider Identifier
1821045873
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- VP003051B
- Practice address
- 2 Hot Metal St
Ermi Quantum One
Pittsburgh, PA 15203-2348 - Phone
- (412) 432-7424
- NPI assigned
- May 27, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | VP003051B | PA | Primary |
Addresses
Primary practice location
2 Hot Metal St
Ermi Quantum One
Pittsburgh, PA 15203-2348
Mailing address
2 Hot Metal St
Ermi Quantum One
Pittsburgh, PA 15203-2348
Phone (412) 432-7424
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Emergency Medicine Physicians of Alle-Kiski, LTD | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Emergency Medicine Physician
- Natrona Heights, PA
- NPI 1164462685
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148688000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1821045873",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2 HOT METAL ST",
"address_2": "ERMI QUANTUM ONE",
"city": "PITTSBURGH",
"state": "PA",
"postal_code": "152032348",
"telephone_number": "412-432-7424"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2 HOT METAL ST",
"address_2": "ERMI QUANTUM ONE",
"city": "PITTSBURGH",
"state": "PA",
"postal_code": "152032348",
"telephone_number": "412-432-7424"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SEHRER",
"first_name": "MARY",
"middle_name": "ANN",
"name_prefix": "Ms.",
"credential": "CRNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-27",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "PA",
"license": "VP003051B",
"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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.