Individual provider Active NPI

Cristine Hyun Oh, MD

  • Psychiatry Physician
  • Walnut Creek, CA
National Provider Identifier
1972189686
Registry record updated May 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
A18964 Issued in CA
Practice address
3100 Oak Rd Ste 270
Walnut Creek, CA 94597-2078
Phone
(925) 944-9711
NPI assigned
Mar 23, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X A18964 CA Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

3100 Oak Rd Ste 270
Walnut Creek, CA 94597-2078

Mailing address

3100 Oak Rd Ste 270
Walnut Creek, CA 94597-2078
Phone (925) 944-9711

Other practice location 1

2001 The Alameda
San Jose, CA 95126-1136
Phone (408) 510-6284

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
I20250602002798 CA Practitioner - Psychiatry 8527577576 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Comprehensive Psychiatric Services a Medical GroupGroup PAC ID 0244329969, 74 clinicians
County of Santa ClaraGroup PAC ID 1254244973, 1,000 clinicians

Practice addresses (Care Compare)

3100 Oak Rd
Suite 270
Walnut Creek, CA 94597-2078
Phone (925) 944-9711

751 S Bascom Ave
Santa Clara Vly Med
San Jose, CA 95128-2604
Phone (408) 885-5000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A18964CAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince Jul 1, 2025 Accepting new patients
Comprehensive Psychiatric Services, a Medical Group Psychiatry CurrentSince Feb 18, 2026 Accepting new patients
County of Santa Clara CurrentSince Jul 1, 2025 Accepting new patients
County of Santa Clara Current Accepting new patients

Locations

6167 Bristol Pkwy
Ste 260
Culver City, CA 90230
Phone (424) 331-5604

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

17875 Von Karman Ave
Ste 150
Irvine, CA 92614
Phone (424) 532-5927

39899 Balentine Dr
Ste 200
Newark, CA 94560
Phone (510) 270-8171

333 University Ave
Ste 200
Sacramento, CA 95825
Phone (707) 864-6860

9095 Rio San Diego Dr
Ste 250
San Diego, CA 92108
Phone (619) 272-0400

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

1550 The Alameda
Ste 105
San Jose, CA 95126
Phone (408) 295-8111

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

3100 Oak Rd
Ste 270
Walnut Creek, CA 94597
Phone (925) 944-9711

Interoperability endpoints

  • Direct secure messaging: coh225009@santaclaravalley.direct-ci.net

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 1

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": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1972189686",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3100 OAK RD STE 270",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972078",
            "telephone_number": "925-944-9711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3100 OAK RD STE 270",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972078",
            "telephone_number": "925-944-9711"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2001 The Alameda",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951261136",
            "country_code": "US",
            "telephone_number": "408-510-6284",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OH",
        "first_name": "CRISTINE",
        "middle_name": "HYUN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-23",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A18964",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.