Nicolas Thor, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A193399 Issued in CA

Practice address

400 N Pepper Ave
Colton, CA 92324-1801

Phone

(909) 580-1000

NPI assigned

Mar 22, 2021

Last updated

Mar 24, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Internal Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hospitalist Corporation of Inland EmpireGroup PAC ID 9537319231, 26 clinicians

Quantum Healthcare Medical Associates IncGroup PAC ID 5294647574, 109 clinicians

Clinic Services of California Medical Group IncGroup PAC ID 7810209715, 65 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Arrowhead Regional Medical Center Hospital, Colton, CA, CCN 050245
• Pomona Valley Hospital Medical Center Hospital, Pomona, CA, CCN 050231
• Barstow Community Hospital Hospital, Barstow, CA, CCN 050298

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Clinic Services of California Medical Group Inc

  • Emergency Medicine Physician
  • Lodi, CA
  • NPI 1578958450
  Medicare reassignment Care Compare group NPD
• Quantum Healthcare Medical Associates Inc.

  • Hospitalist Physician
  • Colton, CA
  • NPI 1568490597

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Hospitalist Corporation of Inland Empire

  • Hospitalist Physician
  • Pomona, CA
  • NPI 1124317615
  Medicare reassignment Care Compare group

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

• County of San Bernardino

  dba Arrowhead Regional Medical Center

  • General Acute Care Hospital
  • Colton, CA
  • NPI 1720158009
  Care Compare affiliation
• Hospital of Barstow Inc

  dba Barstow Community Hospital

  • General Acute Care Hospital
  • Barstow, CA
  • NPI 1780655670
  Care Compare affiliation
• Pomona Valley Hospital Medical Center

  • General Acute Care Hospital
  • Pomona, CA
  • NPI 1407813660
  Care Compare affiliation

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

{
    "created_epoch": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742774400000",
    "number": "1861078545",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 N PEPPER AVE",
            "city": "COLTON",
            "state": "CA",
            "postal_code": "923241801"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 N PEPPER AVE",
            "city": "COLTON",
            "state": "CA",
            "postal_code": "923241801",
            "telephone_number": "909-580-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOR",
        "first_name": "NICOLAS",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-22",
        "last_updated": "2025-03-24",
        "certification_date": "2025-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A193399",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rishi Paikad Thomas, DO
• Devin Allan Thompkins, APCC
• Donald Wayne Thompson
• Mario D Thompson
• Alice Thomson, M.A., PH. D.
• Thrifty Payless Inc (Rite Aid Pharmacy 05693)
• Thrifty Payless Inc (Rite Aid Pharmacy 05694)
• Hlahla Myet Thwe
• Qi Tian, DO
• Ashley Amanda Tiedemann

• Internal Medicine Physician in Colton, CA
• Providers in Colton, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 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.