Individual provider Active NPI

Richard Keith Hollis, DO

  • Diagnostic Radiology Physician
  • Long Beach, CA
National Provider Identifier
1831119254
Registry record updated May 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
14152 Issued in CA
Practice address
2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone
(562) 933-1550
NPI assigned
Jul 20, 2006
Last updated
May 27, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 14152 CA Primary

Addresses

Primary practice location

2801 Atlantic Ave
Long Beach, CA 90806-1701

Mailing address

2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone (562) 933-1550

Other practice location 1

692 Rocky Knoll Ln
Danville, VA 24541-8932
Phone (952) 595-1100

Other practice location 2

4440 W 95th St
Oak Lawn, IL 60453-2600
Phone (708) 684-5503

Electronic endpoints 3

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
FHIR URL https://memorialcare.org/fhir/api/FHIR/R4/ Health Information Exchange (HIE) MemorialCare Medical Foundation

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, CA, NJ, HI, LA, IL, NV7 enrollments
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 7

Enrollment IDStateProvider typePAC IDDetails
I20080222000304 VA Practitioner - Diagnostic Radiology 1153368725 Reassigns benefits to 13 organizations
I20191106003391 CA Practitioner - Diagnostic Radiology 1153368725 Reassigns benefits to 6 organizations
I20191115002315 NJ Practitioner - Diagnostic Radiology 1153368725 Reassigns benefits to 2 organizations
I20200213001303 HI Practitioner - Diagnostic Radiology 1153368725 Reassigns benefits to 2 organizations
I20210311002882 LA Practitioner - Diagnostic Radiology 1153368725
I20210913001372 IL Practitioner - Diagnostic Radiology 1153368725 Reassigns benefits to 2 organizations
I20220602002119 NV Practitioner - Diagnostic Radiology 1153368725 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Midwestern University, Chicago College of Osteopathic Med, 1998
Medicare assignment
May accept Medicare assignment
Group practices
Fullerton Radiology Medical Group IncGroup PAC ID 4587632575, 55 clinicians
Focus Medical ImagingGroup PAC ID 6406999259, 95 clinicians
County of MontereyGroup PAC ID 2466345632, 186 clinicians
Insight Chicago IncGroup PAC ID 2860894706, 140 clinicians
Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians
Hawaii Permanente Medical Group IncGroup PAC ID 7618880667, 705 clinicians
Contemporary Diagnostic Imaging LLCGroup PAC ID 1850510470, 40 clinicians
Integrated Imaging Consultants LLCGroup PAC ID 2567784408, 163 clinicians
Peninsula Radiological Associates LimitedGroup PAC ID 5991603573, 64 clinicians
Menalam Health Services PCGroup PAC ID 7012319163, 89 clinicians
Kennewick Radiology Group PCGroup PAC ID 9335230549, 34 clinicians

Practice addresses (Care Compare)

Danville, VA 24541
Phone (909) 599-6811

1270 Natividad Rd
Salinas, CA 93906-3144

1270 Natividad Rd
146.38
Salinas, CA 93906-3198

1441 Constitution Blvd
Salinas, CA 93906-3100

1441 Constitution Blvd
Salinas, CA 93912
Phone (831) 755-4235

1615 Bunker Hill Way
Suite 100
Salinas, CA 93906-6010

2525 S Michigan Ave
Chicago, IL 60616-2315
Phone (708) 382-1498

2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone (562) 933-1554

3288 Moanalua Rd
Honolulu, HI 96819-1469
Phone (808) 432-0000

55 Meadowlands Pkwy
Suite 200
Secaucus, NJ 07094-2977
Phone (201) 392-3100

5528 E la Palma Ave
Suite 4a
Anaheim, CA 92807-2115
Phone (909) 625-5411

692 Rocky Knoll LN
Danville, VA 24541-8932
Phone (434) 429-2946

PO Box
Suite 80007
Salinas, CA 93912

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1492SCMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Menalam Health Services PC Diagnostic Radiology CurrentSince Jan 1, 2026 Accepting new patients
County of Monterey Behavioral Health CurrentSince Oct 13, 2022 Accepting new patients
Peninsula Radiological Associates Limited Diagnostic Radiology CurrentSince Aug 1, 2024 Accepting new patients
Insight Chicago, Inc. CurrentSince Jun 1, 2021 Accepting new patients
County of Monterey CurrentSince Oct 13, 2022 Accepting new patients
Charlottesville Radiology LTD Diagnostic Radiology CurrentSince Apr 29, 2024 Accepting new patients
Central Valley Imaging Medical Associates, Inc Diagnostic Radiology CurrentSince Aug 1, 2018 Accepting new patients
Waianae District Comprehensive Health and Hospital Board, Inc Family Medicine Current Accepting new patients
County of Los Angeles CurrentSince Nov 15, 2019 Accepting new patients
Contemporary Diagnostic Imaging, LLC CurrentSince Sep 15, 2019 Accepting new patients
Waianae District Comprehensive Health and Hospital Board, Inc CurrentSince Jan 8, 2020 Accepting new patients
Valley Physician Services PC CurrentSince Jan 15, 2025 Accepting new patients
Focus Medical Imaging Diagnostic Radiology CurrentSince Jan 27, 2024 Accepting new patients
Banner - University Hospital Based Physicians LLC CurrentSince May 25, 2024 Accepting new patients
Banner - University Hospital Based Physicians LLC CurrentSince May 25, 2024 Accepting new patients
Golding Radiology, LTD Diagnostic Radiology CurrentSince Mar 28, 2022 Accepting new patients
St Jude Radiology Medical Group Inc Diagnostic Radiology CurrentSince Aug 1, 2018 Accepting new patients
Kennewick Radiology Group PC Diagnostic Radiology CurrentSince Mar 1, 2019 Accepting new patients
County of Santa Clara Current Accepting new patients
Garden State Healthcare Associates, LLC CurrentSince Sep 1, 2025 Accepting new patients
Integrated Imaging Consultants LLC Diagnostic Radiology CurrentSince Aug 1, 2021 Accepting new patients
Kern Radiology Medical Group, Inc Diagnostic Radiology Current Accepting new patients
Waianae District Comprehensive Health and Hospital Board, Incorporated CurrentSince Jan 8, 2020 Accepting new patients
Hawaii Permanente Medical Group Inc CurrentSince Oct 3, 2022 Accepting new patients
Kern Radiology Medical Group, Inc Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
Charleston Radiologists PA Diagnostic Radiology CurrentSince Sep 21, 2015 Accepting new patients
Prime Radiology Consultants P.C. Diagnostic Radiology CurrentSince Oct 1, 2025 Accepting new patients
County of Los Angeles CurrentSince Nov 15, 2019 Accepting new patients
Fullerton Radiology Medical Group, Inc Diagnostic Radiology CurrentSince Dec 21, 2022 Accepting new patients
Insight Chicago, Inc. Family Medicine CurrentSince Jun 1, 2021 Accepting new patients
County of Santa Clara CurrentSince May 14, 2022 Accepting new patients
X-Ray Associates of Louisville PSC Diagnostic Radiology CurrentSince Dec 1, 2020 Accepting new patients
County of Santa Clara CurrentSince May 14, 2022 Accepting new patients
Banner Churchill Community Hospital Past Accepting new patients
Durham Radiology Associates, Inc. Diagnostic Radiology PastSince Oct 24, 2021 Accepting new patients
Menalam Health Services PC Past Accepting new patients
NRHS Radiology Associates Diagnostic Radiology Past Accepting new patients
Pin Point Radiology Practice Group, PA Diagnostic Radiology Past Accepting new patients
Condell Medical Center Past Accepting new patients
Danville Physician Practices LLC Diagnostic Radiology Past Accepting new patients
Martha Jefferson Medical Group LLC Family Medicine PastSince Jan 1, 2008 Accepting new patients
Danville Radiologists Inc Diagnostic Radiology Past Accepting new patients
Advocate Health and Hospitals Corporation Past Accepting new patients
Absolute Rehab Inc Past Accepting new patients
Sutter Valley Hospitals Past Accepting new patients
Focus Medical Imaging Diagnostic Radiology Past Accepting new patients
Radiology Associates Inc Diagnostic Radiology Past Accepting new patients
Optimal Readings Professional Services, LLC Diagnostic Radiology Past Accepting new patients
Halifax Radiological Associates, Inc. Diagnostic Radiology Past Accepting new patients

Locations (25 of 57)

1111 E McDowell Rd
Phoenix, AZ 85006
Phone (602) 239-2000

5528 E La Palma Ave
Ste 4A
Anaheim, CA 92807
Phone (714) 970-0200

5630 E Santa Ana Canyon Rd
Anaheim, CA 92807
Phone (714) 257-6170

8078 E Santa Ana Canyon Rd
Anaheim, CA 92808
Phone (714) 974-2900

2301 Bahamas Dr
Bakersfield, CA 93309

9330 Stockdale Hwy
Ste 100
Bakersfield, CA 93311
Phone (661) 325-6800

955 W Imperial Hwy
Brea, CA 92821
Phone (714) 449-6900

5451 Walnut Ave
Chino, CA 91710
Phone (909) 464-8600

800 S Main St
Corona, CA 92882
Phone (909) 625-5411

1514 Valley Vista Dr
Diamond Bar, CA 91765
Phone (909) 560-1144

100 E Valencia Mesa Dr
Ste 108
Fullerton, CA 92835

101 E Valencia Mesa Dr
Fullerton, CA 92835
Phone (714) 446-7505

1835 Sunny Crest Dr
Fullerton, CA 92835
Phone (714) 446-5101

2141 N Harbor Blvd
Ste 16000
Fullerton, CA 92835
Phone (714) 446-5600

2151 N Harbor Blvd
Ste 1400
Fullerton, CA 92835
Phone (417) 446-5600

2151 N Harbor Blvd
Ste 2100
Fullerton, CA 92835
Phone (714) 446-7181

2151 N Harbor Blvd
Ste 3100
Fullerton, CA 92835
Phone (530) 999-2533

2251 N Harbor Blvd
Fullerton, CA 92835
Phone (714) 449-6230

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

731 N Beach Blvd
Ste 175
La Habra, CA 90631
Phone (562) 697-6030

323 S Heliotrope Ave
Monrovia, CA 91016
Phone (626) 408-9800

5000 San Bernardino St
Montclair, CA 91763
Phone (909) 625-4111

2500 Grant Rd
Mountain View, CA 94040
Phone (650) 903-9500

1301 N Rose Dr
Placentia, CA 92870
Phone (714) 524-4252

1441 Constitution Blvd
Salinas, CA 93906
Phone (831) 261-8090

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/19847/brand/3/csg/21/fhir/r4

Organizations & group practices 52

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.

View all 52

Hospital & facility affiliations 5

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": "1779840000000",
    "number": "1831119254",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2801 ATLANTIC AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908061701",
            "telephone_number": "562-933-1550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 ATLANTIC AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908061701",
            "telephone_number": "562-933-1550"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "692 Rocky Knoll Ln",
            "address_purpose": "LOCATION",
            "city": "Danville",
            "state": "VA",
            "postal_code": "245418932",
            "country_code": "US",
            "telephone_number": "952-595-1100",
            "fax_number": "612-294-4903",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4440 W 95th St",
            "address_purpose": "LOCATION",
            "city": "Oak Lawn",
            "state": "IL",
            "postal_code": "604532600",
            "country_code": "US",
            "telephone_number": "708-684-5503",
            "fax_number": "708-684-2675",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLLIS",
        "first_name": "RICHARD",
        "middle_name": "KEITH",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "14152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4440 W 95th St",
            "city": "Oak Lawn",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604532600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Long Beach, CA

Sources for this page

Verify at the official NPI Registry.