Active NPI
Isaac Eugene Nivar, DO
- Orthopaedic Surgery Physician
- Lititz, PA
National Provider Identifier
1003436353
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Surgery Physician
- License
- OS021700
- Practice address
- 1555 Highlands Drive
Suite 190
Lititz, PA 17543-2800 - Phone
- (717) 791-2630
- Fax
- (717) 782-2780
- NPI assigned
- Apr 16, 2020
- 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 |
|---|---|---|---|---|
| Orthopaedic Surgery Physician | 207X00000X | 2025-01641 | NC | |
| Orthopaedic Surgery Physician | 207X00000X | OS021700 | PA | Primary |
Addresses
Primary practice location
1555 Highlands Drive
Suite 190
Lititz, PA 17543-2800
Mailing address
5601 Arringdon Park Dr
Raleigh, NC 27610
Phone (919) 204-5555
Other practice location 1
1251 East Main Street
Suite 3
Annville, PA 17003-1643
Phone (717) 685-4433
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NC
- 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
- Orthopedic Surgery
- Education
- Lake Erie College of Osteopathic Medicine, Erie, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Legacy Healthcare Services Inc
Practice addresses (Care Compare)
2701 Pickett Rd
Durham, NC 27705-5688
Phone (919) 419-9600
5601 Arringdon Park Dr
Morrisville, NC 27560-5676
Phone (919) 684-8111
935 Fairystone Park Hwy
Stanleytown, VA 24168-3014
Phone (888) 724-0268
Hospital & facility affiliations
- Duke University Hospital
- Duke Regional Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Spinal fusion | 41 |
| Laminectomy or laminotomy (partial removal of spine bones) | 15 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Duke University Health System, Inc. | Current | Accepting new patients | |
| Duke Health Integrated Practice, Inc. | Current | Accepting new patients | |
| Duke University Health System, Inc. | Current | Accepting new patients |
Locations
40 Duke Medicine Cir
Durham, NC 27710
Phone (919) 681-6588
3643 N Roxboro St
Durham, NC 27704
Phone (919) 470-6186
30 Duke Medicine Cir
Durham, NC 27710
Phone (919) 421-8158
5601 Arringdon Park Dr
Morrisville, NC 27560
Phone (888) 275-3853
Interoperability endpoints
- inivar651102@direct.medicine.duke.edu
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 and National Provider Directory roles.
-
- General Practice Physician
- Durham, NC
- NPI 1205553369
-
- Internal Medicine Physician
- Durham, NC
- NPI 1376574798
-
- Physical Therapist
- Stanleytown, VA
- NPI 1487895348
-
- Parenteral & Enteral Nutrition Supplies (DME)
- Durham, NC
- NPI 1427187525
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Rehabilitation Hospital Unit
- Raleigh, NC
- NPI 1205225646
-
- Rehabilitation Hospital Unit
- Durham, NC
- NPI 1538166061
-
- General Acute Care Hospital
- Durham, NC
- NPI 1871592113
-
- General Acute Care Hospital
- Durham, NC
- NPI 1992703540
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1586995200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788134400000",
"number": "1003436353",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5601 ARRINGDON PARK DR",
"city": "RALEIGH",
"state": "NC",
"postal_code": "27610",
"telephone_number": "919-204-5555"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1555 HIGHLANDS DRIVE",
"address_2": "SUITE 190",
"city": "LITITZ",
"state": "PA",
"postal_code": "175432800",
"telephone_number": "717-791-2630",
"fax_number": "717-782-2780"
}
],
"practiceLocations": [
{
"address_1": "1251 East Main Street",
"address_2": "Suite 3",
"address_purpose": "LOCATION",
"city": "Annville",
"state": "PA",
"postal_code": "170031643",
"country_code": "US",
"telephone_number": "717-685-4433",
"fax_number": "717-221-5581",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "NIVAR",
"first_name": "ISAAC",
"middle_name": "EUGENE",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-04-16",
"last_updated": "2026-08-31",
"certification_date": "2026-08-31",
"status": "A"
},
"taxonomies": [
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "NC",
"license": "2025-01641",
"primary": false
},
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "PA",
"license": "OS021700",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lititz, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 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.