Individual provider Active NPI

Jonathan W. Harper, MD

  • Hospitalist Physician
  • Loma Linda, CA
National Provider Identifier
1255861027
Registry record updated May 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
A15173 Issued in CA
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

Updated by the provider on May 12, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200602000290 CA Practitioner - HospitalistPractitioner - Internal Medicine 1951722859 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Loma Linda University School of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Faculty Physicians and Surgeons of LlusmGroup PAC ID 1153227814, 1,313 clinicians

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 Hospital, Loma Linda, CA, CCN 050327

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A157173CAMDInternal Medicine Physician
A15173CAMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Oct 1, 2024 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.