Individual provider Active NPI

Raphael-John Hernandez Keegan, DO

  • Anesthesiology Physician
  • Stanford, CA
National Provider Identifier
1679967210
Registry record updated Sep 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
20A17251 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 20, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 20A17251 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 880-7812

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
I20210621001654 CA Practitioner - Anesthesiology 2365778933 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians
University Anesthesia Medical GroupGroup PAC ID 2769370535, 402 clinicians

Practice addresses (Care Compare)

2425 Geary Blvd
San Francisco, CA 94115-3358
Phone (415) 833-2200

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

  • Stanford Health Care Hospital, Stanford, CA, CCN 050441
  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Merit-based Incentive Payment System (MIPS)

Final score
98.98 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A17251CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Anesthesiology Current Accepting new patients
Permanente Medical Group Inc Anesthesiology Current Accepting new patients
Permanente Medical Group Inc Anesthesiology CurrentSince Oct 21, 2024 Accepting new patients
University of California San Francisco CurrentSince Aug 25, 2022 Accepting new patients
University of California San Francisco CurrentSince Aug 25, 2022 Accepting new patients
University Anesthesia Medical Group Anesthesiology CurrentSince Aug 25, 2022 Accepting new patients
Stanford Health Care CurrentSince Apr 23, 2025 Accepting new patients
Regents of the University of Anesthesiology CurrentSince Aug 1, 2021 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Apr 23, 2025 Accepting new patients
Stanford Health Care CurrentSince Apr 23, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Aug 25, 2022 Accepting new patients
Permanente Medical Group, Inc CurrentSince Oct 21, 2024 Accepting new patients
UCSF Medical Group Business Services CurrentSince Aug 25, 2022 Accepting new patients
UCSF Medical Center Anesthesiology Past Accepting new patients
Lucile Salter Packard Children'S Hospital at Stanford Past Accepting new patients
University of California San Francisco Past Accepting new patients
The Hospital Committee for the Livermore-Pleasanton Areas Past Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

521 Parnassus Ave
Fl 4
San Francisco, CA 94143
Phone (415) 476-9035

2425 Geary Blvd
San Francisco, CA 94115
Phone (415) 833-2200

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Interoperability endpoints

  • Direct secure messaging: rkeegan247256@direct-ucsfmedicalcenter.org

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 8

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": "1426809600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1679967210",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 The City Dr S",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928683201",
            "country_code": "US",
            "telephone_number": "714-880-7812",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KEEGAN",
        "first_name": "RAPHAEL-JOHN",
        "middle_name": "HERNANDEZ",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-20",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "20A17251",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.