NPIMap

Individual provider Active NPI

Alexander Valentine Rybkin, M.D.

  • Diagnostic Radiology Physician
  • Santa Barbara, CA
National Provider Identifier
1336137025
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A75048 Issued in CA
Practice address
Pueblo at Bath St.
Santa Barbara, CA 93105-4390
Phone
(805) 569-7279
Fax
(805) 569-8279
NPI assigned
Oct 7, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 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 A75048 CA Primary

Addresses

Primary practice location

Pueblo at Bath St.
Santa Barbara, CA 93105-4390

Mailing address

PO Box 4219
Orange, CA 92863-4219
Phone (714) 571-5000

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
I20040814000154 CA Practitioner - Diagnostic Radiology 2062485485 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of California, Geffen School of Medicine, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
City and County of San FranciscoGroup PAC ID 1658280748, 368 clinicians

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518

375 Laguna Honda Blvd
San Francisco, CA 94116-1411
Phone (415) 759-4058

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.2 of 100Reported as group
Quality
61.12
Promoting interoperability
99
Improvement activities
40
Cost
83.72

Merit-based Incentive Payment System (MIPS)

Final score
97.28 of 100Reported as group
Quality
89.92
Promoting interoperability
100
Improvement activities
40
Cost
78.23

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
75048CAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco Diagnostic Radiology CurrentSince Aug 11, 2019 Accepting new patients
UCSF Medical Group Business Services CurrentSince Aug 11, 2019 Accepting new patients
UCSF Medical Group Business Services CurrentSince Aug 11, 2019 Accepting new patients
City and County of San Francisco CurrentSince Jun 23, 2016 Accepting new patients
City & County of San Francisco CurrentSince Jun 23, 2016 Accepting new patients
University of California San Francisco CurrentSince Aug 11, 2019 Accepting new patients
University of California San Francisco Current Accepting new patients
City & County of San Francisco Current Accepting new patients
Santa Barbara Radiology Medical Group Inc Diagnostic Radiology Past Accepting new patients
Mission Pathology Consultants, Inc. Past Accepting new patients
Santa Barbara Cottage Hospital Past Accepting new patients

Locations

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

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

375 Laguna Honda Blvd
San Francisco, CA 94116
Phone (415) 759-2300

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

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

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

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

Organizations & group practices 12

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": "1128643200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1336137025",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4219",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928634219",
            "telephone_number": "714-571-5000",
            "fax_number": "714-571-5055"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PUEBLO AT BATH ST.",
            "city": "SANTA BARBARA",
            "state": "CA",
            "postal_code": "931054390",
            "telephone_number": "805-569-7279",
            "fax_number": "805-569-8279"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYBKIN",
        "first_name": "ALEXANDER",
        "middle_name": "VALENTINE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A75048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Barbara, CA

Sources for this page

Verify at the official NPI Registry.