Active NPI
Anthony Michael Letizio, D.O.
- Addiction Medicine (Internal Medicine) Physician
- Philadelphia, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction Medicine (Internal Medicine) Physician
- License
- OS014724
- Practice address
- 2001 S 18TH St FL 1
Philadelphia, PA 19145-2905 - Phone
- (814) 806-5206
- NPI assigned
- May 14, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | OS014724 | PA | |
| Addiction Medicine (Internal Medicine) Physician | 207RA0401X | OS014724 | PA | Primary |
Addresses
Primary practice location
2001 S 18TH St FL 1
Philadelphia, PA 19145-2905
Mailing address
1311 S Carlisle St Unit D
Philadelphia, PA 19146-4810
Phone (814) 806-5206
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Lake Erie College of Osteopathic Medicine, Erie, 1997
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
583 Shoemaker Rd
King of Prussia, PA 19406-4201
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- HHS exclusion list flag
- CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found.
- Credentials
- Doctor of Osteopathy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wellness18 | Addiction Medicine | Current | Accepting new patients |
| Main Line Medical Group LTD | Current | Accepting new patients | |
| New Starts | Internal Medicine | Past | Accepting new patients |
| Erie Wellness, PC | Past | Accepting new patients |
Locations
857 Montgomery Ave
#2
Penn Valley, PA 19072
857 Montgomery Ave
Penn Valley, PA 19072
Phone (610) 664-2951
2001 S 18th St
Fl 1
Philadelphia, PA 19145
Phone (215) 207-6758
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Family Medicine Physician
- Narberth, PA
- NPI 1760415913
-
- Addiction Medicine (Internal Medicine) Physician
- Philadelphia, PA
- NPI 1144154063
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Erie, PA
- NPI 1942758404
-
- Internal Medicine Physician
- Erie, PA
- NPI 1619370731
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1210723200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780963200000",
"number": "1558538074",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1311 S CARLISLE ST UNIT D",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191464810",
"telephone_number": "814-806-5206"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2001 S 18TH ST FL 1",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191452905",
"telephone_number": "814-806-5206"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LETIZIO",
"first_name": "ANTHONY",
"middle_name": "MICHAEL",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2008-05-14",
"last_updated": "2026-06-09",
"certification_date": "2026-06-09",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "PA",
"license": "OS014724",
"primary": false
},
{
"code": "207RA0401X",
"taxonomy_group": "",
"desc": "Internal Medicine, Addiction Medicine",
"state": "PA",
"license": "OS014724",
"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 Jun 9, 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.