Individual provider Active NPI

Richard Allen Guerrero Jr., M.D.

  • Surgery Physician
  • Fountain Valley, CA
National Provider Identifier
1891715835
Registry record updated Jul 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
A79327 Issued in CA
Practice address
11100 Warner Ave Ste 266
Fountain Valley, CA 92708-7512
Phone
(714) 617-4733
Fax
(714) 617-4748
NPI assigned
Jul 20, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 31, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A79327 CA Primary

Addresses

Primary practice location

11100 Warner Ave Ste 266
Fountain Valley, CA 92708-7512

Mailing address

5267 Warner Ave
#322
Huntington Beach, CA 92649-4079
Phone (714) 617-4733

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20061213000643 CA Practitioner - General Surgery 4587663836 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Southern California Keck School of Medicine, 2000
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

11100 Warner Ave
Suite 258
Fountain Valley, CA 92708-4011

74361 Hwy 111
Suite 5
Palm Desert, CA 92260-4125
Phone (760) 610-5573

Hospital & facility affiliations

  • Uci Health-Orange Hospital, Orange, CA, CCN 050348
  • Garden Grove Hospital & Medical Center Hospital, Garden Grove, CA, CCN 050230
  • Huntington Beach Hospital Hospital, Huntington Beach, CA, CCN 050526

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair (minimally invasive)1-10
Mastectomy1-10
Coronary artery bypass graft (CABG)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Varicose vein removal187
Melanoma (skin cancer) excision1-10
Removal of tissue39

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Orange Coast Memorial Medical Center Past Accepting new patients
Central California Inpatient Physicians Surgery Past Accepting new patients
Surgical Specialists a Medical Corporation Surgery Past Accepting new patients

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 4

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.

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": "1153353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1891715835",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5267 WARNER AVE",
            "address_2": "#322",
            "city": "HUNTINGTON BEACH",
            "state": "CA",
            "postal_code": "926494079",
            "telephone_number": "714-617-4733",
            "fax_number": "714-617-4748"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11100 WARNER AVE STE 266",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927087512",
            "telephone_number": "714-617-4733",
            "fax_number": "714-617-4748"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUERRERO",
        "first_name": "RICHARD",
        "middle_name": "ALLEN",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A79327",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fountain Valley, CA

Sources for this page

Verify at the official NPI Registry.