William S Hamra, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A120675 Issued in CA

Practice address

6405 Day St
Riverside, CA 92507-0901

Phone

(951) 697-5432

Fax

(951) 697-5471

NPI assigned

Apr 10, 2010

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Pediatric Medicine

Education

Loma Linda University School of Medicine, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Riverside Medical Clinic IncGroup PAC ID 2961492327, 173 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: whamra7497@direct.llu.edu

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.

• Riverside Medical Clinic, Inc

  • Dermatology Physician
  • Riverside, CA
  • NPI 1720183403
  Medicare reassignment Care Compare group NPD
• County of Riverside

  • Federally Qualified Health Center (FQHC)
  • Indio, CA
  • NPI 1023122967
  Medicare reassignment NPD
• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment NPD
• County of Riverside

  • Federally Qualified Health Center (FQHC)
  • Palm Springs, CA
  • NPI 1386758225
  NPD
• County of Riverside

  • Clinical Medical Laboratory
  • Riverside, CA
  • NPI 1952496010
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Pediatrics Physician
  • Highland, CA
  • NPI 1689624991
  NPD
• Riverside Medical Clinic, Inc

  • Internal Medicine Physician
  • Riverside, CA
  • NPI 1730180415

  Pediatrics

  NPD
• Faculty Physicians and Surgeons of Llusm

  • Orthopaedic Surgery Physician
  • Loma Linda, CA
  • NPI 1275582918
  NPD (past)
• Loma Linda University Children'S Hospital

  • Children's Hospital
  • Loma Linda, CA
  • NPI 1366866345
  NPD (past)
• Loma Linda University Medical Center

  • General Acute Care Hospital
  • Loma Linda, CA
  • NPI 1194731935
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1270857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744588800000",
    "number": "1134445596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6405 DAY ST",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925070901",
            "telephone_number": "951-697-5432",
            "fax_number": "951-697-5471"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6405 DAY ST",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925070901",
            "telephone_number": "951-697-5432",
            "fax_number": "951-697-5471"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11234 Anderson St",
            "address_2": "GME Office CP 21005",
            "address_purpose": "LOCATION",
            "city": "Loma Linda",
            "state": "CA",
            "postal_code": "923542804",
            "country_code": "US",
            "telephone_number": "909-583-3850",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMRA",
        "first_name": "WILLIAM",
        "middle_name": "S",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-04-10",
        "last_updated": "2025-04-14",
        "certification_date": "2025-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A120675",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jaida Rochelle Hammond
• Joseph Swanzy Hammond
• Mariel Hamor
• Hampton T Gaskins MD Inc
• Tracy Lee Hampton
• Han Sam Corp
• Jennifer Aeri Han, PHARMD.
• Liwen Han, MD
• Ryan Han
• Woo Daniel Han, DDS, MS

• Pediatrics Physician in Riverside, CA
• Providers in Riverside, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 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.

Verify at the official NPI Registry.