Active NPI
Thomas M Oconnor, DO
- Vascular Surgery Physician
- Lancaster, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Vascular Surgery Physician
- License
- OS009572L
- Practice address
- 2102 Harrisburg Pike
Lancaster, PA 17601-2644 - Phone
- (717) 544-9400
- Fax
- (717) 544-9401
- NPI assigned
- Aug 26, 2005
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | OS009572L | PA | |
| Vascular Surgery Physician | 2086S0129X | OS009572L | PA | Primary |
Addresses
Primary practice location
2102 Harrisburg Pike
Lancaster, PA 17601-2644
Mailing address
2102 Harrisburg Pike
Lancaster, PA 17601-2644
Phone (717) 733-4644
Other identifiers 5
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 50009563 | Other | PA | CAPITAL BLUE CROSS |
| 20020201 | Other | PA | MERCY HEALTH PLAN |
| 963231 | Other | BLUE SHIELD OF PA | |
| 001602890 | Medicaid | PA | |
| P00000115 | Other | RAILROAD MEDICARE |
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
- Vascular Surgery
- Education
- New York College of Osteo Medicine of New York Institute of Technology, 1987
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1261 Division Hwy
Ephrata, PA 17522-8822
1261 Division Hwy 2
Ephrata, PA 17522-8822
Phone (717) 738-5544
2100 Harrisburg Pike
Suite 2112
Lancaster, PA 17601-2644
Phone (717) 544-3216
2102 Harrisburg Pike
Lancaster, PA 17601-2644
Phone (717) 544-9400
2104 Harrisburg Pike
Suite 200
Lancaster, PA 17601-2644
Phone (717) 544-3626
2106 Harrisburg Pike
Lancaster, PA 17601-2644
2108 Harrisburg Pike
Lancaster, PA 17601-2644
2110 Harrisburg Pike
Lancaster, PA 17601-2644
2112 Harrisburg Pike
Lancaster, PA 17601-2644
2150 Harrisburg Pike
Suite 200a
Lancaster, PA 17601-2644
Phone (717) 544-3059
3045 Marietta Ave
Lancaster, PA 17601-1321
Phone (717) 299-4644
554 N Duke St
LGHP Penn Med Plastic and Cosmetic Surgery
Lancaster, PA 17602-2250
Phone (717) 291-5863
555 N Duke St
Lancaster, PA 17602-2250
555 N Duke St 1St Floor
LGHP Penn Medicine Behavioral Health
Lancaster, PA 17602-2250
Phone (717) 560-3782
Hospital & facility affiliations
- Lancaster General Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 1-10 |
| Varicose vein removal | 1-10 |
| Leg revascularization (restoring blood flow) | 11 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ephrata Community Hospital | Current | Accepting new patients | |
| Lancaster General Medical Group | Current | Accepting new patients | |
| Lancaster General Medical Group | Current | Accepting new patients | |
| Lancaster General Medical Group | Current | Accepting new patients | |
| Lancaster General Medical Group | Past | Accepting new patients |
Locations
1261 Division Hwy
#2
Ephrata, PA 17522
Phone (717) 299-1301
169 Martin Ave
Ephrata, PA 17522
Phone (717) 733-0311
3045 Marietta Ave
Lancaster, PA 17601
Phone (717) 299-4644
2104 Harrisburg Pike
Ste 200
Lancaster, PA 17601
Phone (717) 290-3626
2102 Harrisburg Pike
Lancaster, PA 17601
Phone (717) 544-3600
554 N Duke St
Lancaster, PA 17602
Phone (717) 291-5863
Organizations & group practices 6
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.
-
- Psychiatry Physician
- Lancaster, PA
- NPI 1952392383
-
- Cardiovascular Disease Physician
- Ephrata, PA
- NPI 1245377191
-
- Certified Registered Nurse Anesthetist
- Ephrata, PA
- NPI 1063559912
-
- Plastic and Reconstructive Surgery Physician
- Lancaster, PA
- NPI 1245504422
-
- Obstetrics & Gynecology Physician
- Lancaster, PA
- NPI 1306724570
-
- Family Medicine Physician
- Strasburg, PA
- NPI 1316912785
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lancaster, PA
- NPI 1104875103
-
- General Acute Care Hospital
- Parkesburg, PA
- NPI 1245571942
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1125014400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749168000000",
"number": "1144213992",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2102 HARRISBURG PIKE",
"city": "LANCASTER",
"state": "PA",
"postal_code": "176012644",
"telephone_number": "717-733-4644"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2102 HARRISBURG PIKE",
"city": "LANCASTER",
"state": "PA",
"postal_code": "176012644",
"telephone_number": "717-544-9400",
"fax_number": "717-544-9401"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OCONNOR",
"first_name": "THOMAS",
"middle_name": "M",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-08-26",
"last_updated": "2025-06-06",
"certification_date": "2025-06-06",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "PA",
"license": "OS009572L",
"primary": false
},
{
"code": "2086S0129X",
"taxonomy_group": "",
"desc": "Surgery, Vascular Surgery",
"state": "PA",
"license": "OS009572L",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CAPITAL BLUE CROSS",
"identifier": "50009563",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MERCY HEALTH PLAN",
"identifier": "20020201",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD OF PA",
"identifier": "963231",
"state": null
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "001602890",
"state": "PA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RAILROAD MEDICARE",
"identifier": "P00000115",
"state": null
}
],
"endpoints": [],
"other_names": []
}
Other providers in Lancaster, PA
- Occupational Health Centers of the Southwest P.a.
- Occupational Health Centers of the Southwest P.a.
- Occupational Health Centers of the Southwest, P.a., P.C.
- Samantha Ochoa, CRNP
- Douglas A Ockrymiek, DO
- Kerry Odgers, BA
- Sara Rose Odicio, LCSW
- Jennifer Offidani, MSW, LSW
- Kari L Oftedal Moreno, MD
- Peter Ogilvie, CRNA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 2025; 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.