Active NPI
Christopher Jackson Davis, D.O.
- Addiction Medicine (Internal Medicine) Physician
- York, PA
National Provider Identifier
1144473208
On this page
OIG exclusion record
The HHS Office of Inspector General’s List of Excluded Individuals/Entities (LEIE) contains a record with this NPI:
- Section 1128b(4) exclusion effective Jan 20, 2026.
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Medicine (Internal Medicine) Physician
- License
- OS-007771-L
- Practice address
- 320 Loucks Rd
Suite 103
York, PA 17404-1752 - Phone
- (717) 650-1398
- Fax
- (717) 650-2177
- NPI assigned
- Nov 2, 2008
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Addiction Medicine (Internal Medicine) Physician | 207RA0401X | OS-007771-L | PA | Primary |
Addresses
Primary practice location
320 Loucks Rd
Suite 103
York, PA 17404-1752
Mailing address
320 Loucks Rd
Suite 103
York, PA 17404-1752
Phone (717) 650-1398
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0013950600010 | 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
- HHS exclusion list flag
- Flagged The directory lists this NPI on an HHS exclusion list.
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OS-007771-L | PA | MD | Addiction Medicine (Internal Medicine) Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1225584000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787529600000",
"number": "1144473208",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "320 LOUCKS RD",
"address_2": "SUITE 103",
"city": "YORK",
"state": "PA",
"postal_code": "174041752",
"telephone_number": "717-650-1398",
"fax_number": "717-650-2177"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "320 LOUCKS RD",
"address_2": "SUITE 103",
"city": "YORK",
"state": "PA",
"postal_code": "174041752",
"telephone_number": "717-650-1398",
"fax_number": "717-650-2177"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DAVIS",
"first_name": "CHRISTOPHER",
"middle_name": "JACKSON",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2008-11-02",
"last_updated": "2026-08-24",
"status": "A"
},
"taxonomies": [
{
"code": "207RA0401X",
"taxonomy_group": "",
"desc": "Internal Medicine, Addiction Medicine",
"state": "PA",
"license": "OS-007771-L",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0013950600010",
"state": "PA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in York, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; OIG LEIE.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.