Mamdooh Gayid, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A85467 Issued in CA

Practice address

242 Cajon St
Redlands, CA 92373-5202

Phone

(909) 793-3311

Fax

(909) 793-0241

NPI assigned

Aug 9, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 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

Internal Medicine

Education

Other, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Beaver Medical Group P CGroup PAC ID 0547164295, 251 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: mgayid11100@epiclp.direct-ci.com

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.

• Beaver Medical Group P C

  • Family Medicine Physician
  • Redlands, CA
  • NPI 1649503319

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment NPD
• Beaver Medical Group P C

  • Physical Therapist
  • Redlands, CA
  • NPI 1427090281
  NPD
• Cassidy Medical Group Inc.

  • Multi-Specialty Clinic/Center
  • Vista, CA
  • NPI 1215003470
  NPD
• Centers for Family Medicine GP

  • Family Medicine Physician
  • Los Alamitos, CA
  • NPI 1467598243

  Internal Medicine

  NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Beaver Medical Group P C

  • Family Medicine Physician
  • Redlands, CA
  • NPI 1275570830

  Internal Medicine

  NPD (past)
• Pinnacle Medical Group, Inc.

  • Family Medicine Physician
  • San Bernardino, CA
  • NPI 1447292248

  Internal Medicine

  NPD (past)
• Redlands Community Hospital

  • General Acute Care Hospital
  • Redlands, CA
  • NPI 1043354111
  NPD (past)
• Heritage Medical Group

  • General Practice Physician
  • Eastpointe, MI
  • NPI 1407803927
  NPD (past)
• Home Care Physician PC

  • Home Health Agency
  • Eastpointe, MI
  • NPI 1285681700
  NPD (past)
• William Beaumont Hospital

  • Rehabilitation Hospital Unit
  • Royal Oak, MI
  • NPI 1215916812
  NPD (past)

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

{
    "created_epoch": "1123545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1477554988",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "242 CAJON ST",
            "city": "REDLANDS",
            "state": "CA",
            "postal_code": "923735202",
            "telephone_number": "909-793-3311",
            "fax_number": "909-793-0241"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 W Fern Ave",
            "address_purpose": "LOCATION",
            "city": "Redlands",
            "state": "CA",
            "postal_code": "923735916",
            "country_code": "US",
            "telephone_number": "909-793-3311",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAYID",
        "first_name": "MAMDOOH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-09",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "200500328",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A85467",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5900648",
            "state": "NC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Eric Kawika Garner, REEGT, CNIM
• Gary M. Wernick, M.D., Inc
• Gabriella Gasparian, M.A.
• Gastro Health Inc
• Heidi Ann Gauthreaux, P.A-C
• Esmond Gee, M.D.
• Cindy Elise Geers, D.D.S.
• Joseph Leroy Geierman Jr., PHARMD APH
• Dorothy Kay Geiger, LMFT
• Patricia Ann Geissinger, MFT

• Internal Medicine Physician in Redlands, CA
• Providers in Redlands, 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 Dec 15, 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.