Active NPI
Jonathan W. Harper, MD
- Hospitalist Physician
- Loma Linda, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- A15173
- Practice address
- 11234 Anderson St
Loma Linda, CA 92350-1716 - Phone
- (909) 558-8131
- NPI assigned
- Jun 14, 2017
- 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 |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | A15173 | CA | Primary |
| Internal Medicine Physician | 207R00000X | A157173 | CA |
Addresses
Primary practice location
11234 Anderson St
Loma Linda, CA 92350-1716
Mailing address
11234 Anderson St
Loma Linda, CA 92350-1716
Phone (909) 558-4884
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
- Hospitalist
- Education
- Loma Linda University School of Medicine, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
11234 Anderson St
Loma Linda, CA 92354-2804
11370 Anderson St
Loma Linda, CA 92354-3450
File Number
Suite 54701
Los Angeles, CA 90074-4701
Hospital & facility affiliations
- Loma Linda University Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A157173 | CA | MD | Internal Medicine Physician |
| A15173 | CA | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Ohio State University Hospitals | Past | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Past | Accepting new patients |
Locations
25455 Barton Rd
Ste 108A
Loma Linda, CA 92354
Phone (909) 558-1617
11370 Anderson St
Ste 1800
Loma Linda, CA 92354
Phone (909) 558-2154
11370 Anderson St
#B100
Loma Linda, CA 92354
Phone (909) 558-2848
11234 Anderson St
Loma Linda, CA 92350
Phone (909) 558-3016
11234 Anderson St
#A600
Loma Linda, CA 92350
Phone (909) 558-2824
11234 Anderson St
Ste 1516
Loma Linda, CA 92350
Phone (909) 558-4884
11370 Anderson St
Ste 2600
Loma Linda, CA 92354
Phone (909) 558-2890
11234 Anderson St
Ofc
Loma Linda, CA 92350
Phone (909) 558-4074
File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300
Interoperability endpoints
- jharper81354@direct.llu.edu
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.
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Apple Valley, CA
- NPI 1205009917
-
- Neurological Surgery Physician
- Loma Linda, CA
- NPI 1194775122
-
- Ophthalmology Physician
- Loma Linda, CA
- NPI 1437109469
-
- Transplant Surgery Physician
- Palm Springs, CA
- NPI 1952064222
-
- Orthopaedic Surgery Physician
- Loma Linda, CA
- NPI 1275582918
-
- General Acute Care Hospital
- Columbus, OH
- NPI 1447359997
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Loma Linda, CA
- NPI 1194731935
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1497398400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778544000000",
"number": "1255861027",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11234 ANDERSON ST",
"city": "LOMA LINDA",
"state": "CA",
"postal_code": "923501716",
"telephone_number": "909-558-4884"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11234 ANDERSON ST",
"city": "LOMA LINDA",
"state": "CA",
"postal_code": "923501716",
"telephone_number": "909-558-8131"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HARPER",
"first_name": "JONATHAN",
"middle_name": "W.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-06-14",
"last_updated": "2026-05-12",
"certification_date": "2026-05-12",
"status": "A"
},
"taxonomies": [
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "CA",
"license": "A15173",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A157173",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Loma Linda, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 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.