Individual provider Active NPI

Shannon Eileen Sullivan-Cramer, M.D.

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
National Provider Identifier
1255673463
Registry record updated Feb 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
A132806 Issued in CA
Practice address
2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone
(925) 945-6600
Fax
(925) 945-7842
NPI assigned
Mar 26, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Obstetrics & Gynecology Physician 207V00000X A132806 CA Primary

Addresses

Primary practice location

2637 Shadelands Dr
Walnut Creek, CA 94598-2512

Mailing address

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 945-6600

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
I20170522001817 CA Practitioner - Obstetrics/Gynecology 9032402979 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Rush Medical College of Rush University, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Epic CareGroup PAC ID 5890053094, 54 clinicians

Practice addresses (Care Compare)

2637 Shadelands Dr
Walnut Creek, CA 94598-2512
Phone (925) 945-0246

400 Taylor Blvd
Suite 102
Pleasant Hill, CA 94523-2147
Phone (925) 687-2570

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Removal of the uterus1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A132806CAMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bass Medical Group Obstetrics & Gynecology Current Accepting new patients
Bass Medical Group CurrentSince Jun 1, 2018 Accepting new patients
Bay Area Surgical Specialists, Inc a Medical Corporation CurrentSince Jun 1, 2018 Accepting new patients
John Muir Physician Network CurrentSince May 31, 2021 Accepting new patients
Epic Care CurrentSince Jan 12, 2026 Accepting new patients
Bass Medical Group Past Accepting new patients

Locations

1505 Saint Alphonsus Way
Alamo, CA 94507
Phone (925) 837-4225

2400 Balfour Rd
Ste 120
Brentwood, CA 94513
Phone (925) 308-8112

1450 Treat Blvd
Ste 320
Walnut Creek, CA 94597
Phone (925) 296-9827

365 Lennon Ln
Ste 250
Walnut Creek, CA 94598
Phone (925) 627-3424

2637 Shadelands Dr
Walnut Creek, CA 94598
Phone (925) 627-3424

2637 Shadelands Dr
Ste F
Walnut Creek, CA 94598

2121 Ygnacio Valley Rd
Ste E101
Walnut Creek, CA 94598
Phone (925) 945-0246

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: ssullivancramer79360@ehr.johnmuirhealth.com

Organizations & group practices 6

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 2

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": "1364256000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739232000000",
    "number": "1255673463",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-945-6600",
            "fax_number": "925-945-7842"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2637 SHADELANDS DR",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982512",
            "telephone_number": "925-945-6600",
            "fax_number": "925-945-7842"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SULLIVAN-CRAMER",
        "first_name": "SHANNON",
        "middle_name": "EILEEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-03-26",
        "last_updated": "2025-02-11",
        "certification_date": "2025-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A132806",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.