Active NPI
Keith H Marks, MD
- Neonatal-Perinatal Medicine Physician
- Hershey, PA
National Provider Identifier
1184675654
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal-Perinatal Medicine Physician
- License
- MD036793L
- Practice address
- 500 University Dr
Hershey, PA 17033-2360 - Phone
- (800) 243-1455
- NPI assigned
- May 12, 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 |
|---|---|---|---|---|
| Neonatal-Perinatal Medicine Physician | 2080N0001X | MD036793L | PA | Primary |
Addresses
Primary practice location
500 University Dr
Hershey, PA 17033-2360
Mailing address
PO Box 854
MC A410
Hershey, PA 17033-0854
Phone (717) 531-5995
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0006668470001 | Medicaid | PA |
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)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD036793L | PA | MD | Neonatal-Perinatal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147392000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1184675654",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 854",
"address_2": "MC A410",
"city": "HERSHEY",
"state": "PA",
"postal_code": "170330854",
"telephone_number": "717-531-5995"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "500 UNIVERSITY DR",
"city": "HERSHEY",
"state": "PA",
"postal_code": "170332360",
"telephone_number": "800-243-1455"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MARKS",
"first_name": "KEITH",
"middle_name": "H",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-12",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "PA",
"license": "MD036793L",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0006668470001",
"state": "PA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Hershey, 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.