Individual provider Active NPI

Rachel M. Villalon, MD

  • Obstetrics & Gynecology Physician
  • Fairfield, CA
National Provider Identifier
1083842843
Registry record updated Apr 28, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
A127041 Issued in CA
Practice address
1860 Pennsylvania Ave
Suite 300
Fairfield, CA 94533-3590
Phone
(707) 646-4100
Fax
(707) 646-4101
NPI assigned
Jun 30, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 28, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 256434 MA
Obstetrics & Gynecology Physician 207V00000X A127041 CA Primary

Addresses

Primary practice location

1860 Pennsylvania Ave
Suite 300
Fairfield, CA 94533-3590

Mailing address

1860 Pennsylvania Ave
Suite 300
Fairfield, CA 94533-3590
Phone (707) 646-4100

Other identifiers 1

IdentifierTypeStateIssuer
1083842843MedicaidMA

Other names 1

  • Dr. Rachel Marie Purcell Former name

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
I20140811002378 CA Practitioner - Obstetrics/Gynecology 7911133673 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

1860 Pennsylvania Ave
Suite 230
Fairfield, CA 94533-3550
Phone (707) 646-4000

421 Nut Tree Rd
Vacaville, CA 95687-3508
Phone (707) 646-5500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
127041CAMDAddiction (Substance Use Disorder) Counselor
A127041CAMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northbay Health Medical Foundation CurrentSince Jan 1, 2026 Accepting new patients
Northbay Physicians Surgery Center LLC Past Accepting new patients

Locations

4520 Business Center Dr
Ste 200
Fairfield, CA 94534
Phone (707) 646-3500

1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600

1010 Nut Tree Rd
Ste 100B
Vacaville, CA 95687
Phone (707) 646-7999

421 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 455-3000

1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000

101 Main St
Winters, CA 95694
Phone (530) 795-4123

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/UMZ-Uxn6V9x08sH5gCnG-5yPg9ZX7et6/

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": "1246320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1682640000000",
    "number": "1083842843",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1860 PENNSYLVANIA AVE",
            "address_2": "SUITE 300",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945333590",
            "telephone_number": "707-646-4100",
            "fax_number": "707-646-4101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 PENNSYLVANIA AVE",
            "address_2": "SUITE 300",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945333590",
            "telephone_number": "707-646-4100",
            "fax_number": "707-646-4101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VILLALON",
        "first_name": "RACHEL",
        "middle_name": "M.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-30",
        "last_updated": "2023-04-28",
        "certification_date": "2023-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MA",
            "license": "256434",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A127041",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1083842843",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "RACHEL",
            "last_name": "PURCELL",
            "middle_name": "MARIE",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Fairfield, CA

Sources for this page

Verify at the official NPI Registry.