NPIMap

Individual provider Active NPI

Richard F. McGuire, M.D.

  • Gastroenterology Physician
  • Fullerton, CA
National Provider Identifier
1437196730
Registry record updated Jul 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
G60070 Issued in CA
Practice address
1521 S Harbor Blvd
Fullerton, CA 92832-3402
Phone
(714) 990-0911
Fax
(714) 256-9172
NPI assigned
Jun 2, 2006
Last updated
Jul 14, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X G60070 CA Primary

Addresses

Primary practice location

1521 S Harbor Blvd
Fullerton, CA 92832-3402

Mailing address

1521 S Harbor Blvd
Fullerton, CA 92832-3402
Phone (562) 990-0911

Other identifiers 5

IdentifierTypeStateIssuer
00G600700OtherBLUE SHIELD ID #
045264OtherHEALTH NET ID #
P00385666OtherRAILROAD
110060913OtherRAILROAD
00G600700MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060510000488 CA Practitioner - Gastroenterology 7810908407 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
New York University School of Medicine, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Caremore Medical Group IncGroup PAC ID 3678584497, 16 clinicians

Practice addresses (Care Compare)

15034 Imperial Hwy
La Mirada, CA 90638-1301
Phone (714) 990-0911

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.27 of 100Reported as group
Quality
89.89
Improvement activities
40
Cost
81.06

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy32
Upper gastrointestinal (GI) endoscopy for acid reflux20

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
60070CAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Caremore Medical Group Inc Gastroenterology CurrentSince Feb 28, 2006 Accepting new patients
University of California Irvine Past Accepting new patients
St Jude Hospital Inc Past Accepting new patients
Pih Health Downey Hospital Past Accepting new patients
Ahmc Whittier Hospital Medical Center LP Past Accepting new patients
Rubin and McNamara MDS Inc Past Accepting new patients
University of California Irvine Past Accepting new patients
Caremore Medical Group Gastroenterology Past Accepting new patients

Locations

1521 S Harbor Blvd
Fullerton, CA 92832
Phone (562) 357-2063

3180 Colima Rd
Ste A
Hacienda Hts, CA 91745
Phone (626) 961-1644

361 E Whittier Blvd
Ste B
La Habra, CA 90631
Phone (562) 694-3911

15034 Imperial Hwy
La Mirada, CA 90638
Phone (562) 902-3000

15627 Imperial Hwy
La Mirada, CA 90638
Phone (562) 501-1560

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: richard.mcguire.1@32527.direct.athenahealth.com
  • Direct secure messaging: richard.mcguire.p7@direct.caremorewest.nextgenshare.com

Organizations & group practices 8

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.

Hospital & facility affiliations 4

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": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1437196730",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1521 S HARBOR BLVD",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928323402",
            "telephone_number": "562-990-0911",
            "fax_number": "562-256-9172"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1521 S HARBOR BLVD",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928323402",
            "telephone_number": "714-990-0911",
            "fax_number": "714-256-9172"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCGUIRE",
        "first_name": "RICHARD",
        "middle_name": "F.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "G60070",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD ID #",
            "identifier": "00G600700",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTH NET ID #",
            "identifier": "045264",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD",
            "identifier": "P00385666",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD",
            "identifier": "110060913",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G600700",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fullerton, CA

Sources for this page

Verify at the official NPI Registry.