Active NPI
Theresa Clark Rihn, MD, JD
- Pediatrics Physician
- Philadelphia, PA
National Provider Identifier
1841974466
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- MT228834
- Practice address
- 3401 Civic Center Blvd
Philadelphia, PA 19104-4319 - Phone
- (215) 590-1220
- NPI assigned
- Jun 14, 2023
- Last updated
- Apr 30, 2026
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | MT228834 | PA | Primary |
Addresses
Primary practice location
3401 Civic Center Blvd
Philadelphia, PA 19104-4319
Mailing address
PO Box 191
Rockland, DE 19732-0191
Phone (412) 657-8232
Other practice location 1
PO Box 191
Rockland, DE 19732-0191
Phone (412) 657-8232
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DE
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260612003783 | DE | Practitioner - Pediatric Medicine | 9537631213 |
Care Compare profile
Medicare Care Compare- Specialty
- Pediatric Medicine
- Education
- Other, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
PO Box
Suite 191
Rockland, DE 19732
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Juris Doctor, Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MT228834 | PA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1686700800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777507200000",
"number": "1841974466",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 191",
"city": "ROCKLAND",
"state": "DE",
"postal_code": "197320191",
"telephone_number": "412-657-8232"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3401 CIVIC CENTER BLVD",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191044319",
"telephone_number": "215-590-1220"
}
],
"practiceLocations": [
{
"address_1": "PO Box 191",
"address_purpose": "LOCATION",
"city": "Rockland",
"state": "DE",
"postal_code": "197320191",
"country_code": "US",
"telephone_number": "412-657-8232",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CLARK RIHN",
"first_name": "THERESA",
"credential": "MD, JD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-06-14",
"last_updated": "2026-04-30",
"certification_date": "2026-04-30",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "PA",
"license": "MT228834",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.