Active NPI
Christopher M Clarkson, M.D.
- Emergency Medicine Physician
- Greensburg, PA
National Provider Identifier
1538129192
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- MD068360L
- Practice address
- 532 W Pittsburgh St
Greensburg, PA 15601-2239 - Phone
- (724) 832-4626
- Fax
- (724) 832-4668
- NPI assigned
- Mar 27, 2006
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | MD068360L | PA | Primary |
Addresses
Primary practice location
532 W Pittsburgh St
Greensburg, PA 15601-2239
Mailing address
501 W Otterman St
Suite B
Greensburg, PA 15601-2126
Phone (724) 850-6933
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0017661950001 | Medicaid | PA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Valley Medical Facilities Inc | Emergency Medicine | Past | Accepting new patients |
| Seton Emergency Physicians | Emergency Medicine | Past | Accepting new patients |
Interoperability endpoints
- mclarkson@direct.excelahealth.org
Organizations & group practices 2
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
- Jeannette, PA
- NPI 1386693943
-
- General Acute Care Hospital
- Sewickley, PA
- NPI 1588770416
Emergency Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143417600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1538129192",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "501 W OTTERMAN ST",
"address_2": "SUITE B",
"city": "GREENSBURG",
"state": "PA",
"postal_code": "156012126",
"telephone_number": "724-850-6933",
"fax_number": "724-836-6825"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "532 W PITTSBURGH ST",
"city": "GREENSBURG",
"state": "PA",
"postal_code": "156012239",
"telephone_number": "724-832-4626",
"fax_number": "724-832-4668"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CLARKSON",
"first_name": "CHRISTOPHER",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-27",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "PA",
"license": "MD068360L",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0017661950001",
"state": "PA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Greensburg, 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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.