Bret Nicholas Namihas, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

G58791 Issued in CA

Practice address

2147 Court St
Redding, CA 96001-2531

Phone

(530) 243-8667

Fax

(530) 243-8742

NPI assigned

Aug 13, 2006

Last updated

Dec 23, 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 2

Addresses

Other identifiers 3

Electronic endpoints 1

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

Gastroenterology

Education

Other, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Hazel Hawkins Memorial HospitalGroup PAC ID 9133038326, 52 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hazel Hawkins Memorial Hospital Hospital, Hollister, CA, CCN 051337
• Mercy Medical Center Redding Hospital, Redding, CA, CCN 050280

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Hazel Hawkins Memorial Hospital

  dba San Benito Health Care District

  • General Acute Care Hospital
  • Hollister, CA
  • NPI 1275578817
  Medicare reassignment Care Compare group NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280
  Medicare reassignment Care Compare group NPD
• B Nicholas Namihas M D Inc a Professional Medical Corporation

  • Gastroenterology Physician
  • Redding, CA
  • NPI 1679764781
  Medicare reassignment Authorized official
• County of San Joaquin

  dba San Joaquin General Hospital

  • General Acute Care Hospital
  • French Camp, CA
  • NPI 1801830583
  Medicare reassignment NPD
• San Joaquin Faculty Medical Group

  • Internal Medicine Physician
  • French Camp, CA
  • NPI 1225063761
  Medicare reassignment NPD
• County of San Joaquin

  dba San Joaquin County Clinic Manteca

  • Multi-Specialty Clinic/Center
  • Manteca, CA
  • NPI 1417407636
  NPD
• Hazel Hawkins Memorial Hospital

  dba Hazel Hawkins primary Care & Surgical Specialty Center

  • Rural Health Clinic/Center
  • Hollister, CA
  • NPI 1013628353
  NPD
• Akeel Halai, M.D.,Inc.

  • Gastroenterology Physician
  • Redding, CA
  • NPI 1174792253
  NPD (past)
• Dignity Health

  dba Mercy Medical Center Redding

  • General Acute Care Hospital
  • Redding, CA
  • NPI 1477671535
  NPD (past)
• Docs Medical Group Inc

  • Gastroenterology Physician
  • Redding, CA
  • NPI 1063457620
  NPD (past)

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

• Dignity Health

  dba Mercy Medical Center Redding

  • General Acute Care Hospital
  • Redding, CA
  • NPI 1477671535
  Care Compare affiliation
• Hazel Hawkins Memorial Hospital

  dba San Benito Health Care District

  • General Acute Care Hospital
  • Hollister, CA
  • NPI 1275578817
  Care Compare affiliation

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

{
    "created_epoch": "1155427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1215949722",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2147 COURT ST",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960012531",
            "telephone_number": "530-244-3622",
            "fax_number": "530-244-1029"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2147 COURT ST",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960012531",
            "telephone_number": "530-243-8667",
            "fax_number": "530-243-8742"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAMIHAS",
        "first_name": "BRET",
        "middle_name": "NICHOLAS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-13",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "00G587910",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "G58791",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PTAN",
            "identifier": "00G587911",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "G58791",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MCARE GROUP ID",
            "identifier": "ZZZ30119Z",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "441 N Lakeview Ave",
            "city": "Anaheim",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928073028",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Sandra Nagib
• Mila Michelle Nagy
• Sadia Nahar
• John A. Nall, DDS
• Jai Hind Reddy Nalla, MBBS
• Steven Charles Namihas, MD
• Nanak Care Inc
• Ryan Anthony Nance, CASE MANAGER
• Nancy Ekelund Eyecare
• Thiruvoipati Nandakumar, M.D.

• Gastroenterology Physician in Redding, CA
• Providers in Redding, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 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.