Active NPI
Thomas S. Nasser, DO
- Physical Medicine & Rehabilitation Physician
- Lancaster, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Medicine & Rehabilitation Physician
- License
- 20A8971
- Practice address
- 43847 Heaton Ave
Suite J
Lancaster, CA 93534-4936 - Phone
- (661) 729-3388
- Fax
- (661) 726-5377
- NPI assigned
- Nov 10, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physical Medicine & Rehabilitation Physician | 208100000X | 20A8971 | CA | Primary |
Addresses
Primary practice location
43847 Heaton Ave
Suite J
Lancaster, CA 93534-4936
Mailing address
3053 Rancho Vista Blvd
Suite H, # 195
Palmdale, CA 93551-4823
Phone (661) 729-3388
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- 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
- Physical Medicine and Rehabilitation
- Education
- Other, 2001
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
42135 10TH St W
Suite 101
Lancaster, CA 93534-7099
Phone (661) 726-5005
42135 10TH W St
Suite 101
Lancaster, CA 93534-7099
Hospital & facility affiliations
- Metropolitan Home Health
- Promed Home Health Care, Inc.
- Dependable Home Health, Inc
- Palmdale Regional Medical Center
- Antelope Valley Hospital
- Ridgecrest Regional Hospital
- Palmdale Regional Medical Ctr
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Spinal fusion | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20A8971 | CA | MD | Physical Medicine & Rehabilitation Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Embassy Surgery Center, LLC | Current | Accepting new patients | |
| Avors Medical Group | Current | Accepting new patients | |
| Familyfirst Family Medical Practice Inc | Current | Accepting new patients | |
| A V Rehab Specialists, LLC | Physical Medicine & Rehabilitation | Past | Accepting new patients |
| Frye Chiropractic, Inc | Past | Accepting new patients | |
| Antelope Valley Health Care District | Past | Accepting new patients |
Locations
42135 10th St W
Ste 325
Lancaster, CA 93534
Phone (661) 237-5454
42135 10th St W
Lancaster, CA 93534
Phone (661) 237-5454
42135 10th St W
Ste 101
Lancaster, CA 93534
Phone (661) 341-3800
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Interoperability endpoints
- avorsmedicalgroup.thomasnasser@133862.advancedmd-direct.com
Organizations & group practices 7
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.
-
- Ambulatory Surgical Clinic/Center
- Lancaster, CA
- NPI 1174063788
-
- Orthopaedic Surgery Physician
- Lancaster, CA
- NPI 1023297165
-
- Physical Medicine & Rehabilitation Physician
- Lancaster, CA
- NPI 1922089572
-
- Non-Pharmacy Dispensing Site
- Lancaster, CA
- NPI 1881978302
-
- Family Medicine Physician
- Lancaster, CA
- NPI 1184337602
-
- General Acute Care Hospital
- Lancaster, CA
- NPI 1366419517
-
- Multi-Specialty Clinic/Center
- Lancaster, CA
- NPI 1205860558
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lancaster, CA
- NPI 1366419517
-
- Home Health Agency
- Mojave, CA
- NPI 1639242746
-
- Rehabilitation Hospital Unit
- Palmdale, CA
- NPI 1033109947
Inpatient rehabilitation facility
-
- General Acute Care Hospital
- Palmdale, CA
- NPI 1508856535
-
- Home Health Agency
- Valley Village, CA
- NPI 1912989005
-
- Home Health Agency
- Sherman Oaks, CA
- NPI 1770150369
-
- Critical Access Hospital
- Ridgecrest, CA
- NPI 1447253125
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1131580800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1073594636",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3053 RANCHO VISTA BLVD",
"address_2": "SUITE H, # 195",
"city": "PALMDALE",
"state": "CA",
"postal_code": "935514823",
"telephone_number": "661-729-3388",
"fax_number": "661-726-5377"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "43847 HEATON AVE",
"address_2": "SUITE J",
"city": "LANCASTER",
"state": "CA",
"postal_code": "935344936",
"telephone_number": "661-729-3388",
"fax_number": "661-726-5377"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NASSER",
"first_name": "THOMAS",
"middle_name": "S.",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-10",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208100000X",
"taxonomy_group": "",
"desc": "Physical Medicine & Rehabilitation",
"state": "CA",
"license": "20A8971",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Lancaster, CA
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.
- 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.