Individual provider Active NPI

Ma de Lourdes Rayas Almeraz, MD

  • Family Medicine Physician
  • Healdsburg, CA
National Provider Identifier
1518607282
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A197839 Issued in CA
Practice address
1381 University St
Healdsburg, CA 95448-3314
Phone
(707) 433-5494
NPI assigned
Mar 31, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A197839 CA Primary

Addresses

Primary practice location

1381 University St
Healdsburg, CA 95448-3314

Mailing address

1381 University St
Healdsburg, CA 95448-3314
Phone (707) 433-5494

Other practice location 1

8465 Old Redwood Hwy Ste 320
Windsor, CA 95492-9244
Phone (707) 431-1170

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
I20250801000920 CA Practitioner - Family Practice 8224559844 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Alliance Medical CenterGroup PAC ID 3779471446, 42 clinicians

Practice addresses (Care Compare)

1381 University St
Healdsburg, CA 95448-3314
Phone (707) 433-5494

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A197839CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Alliance Medical Center CurrentSince Jul 8, 2025 Accepting new patients
Alliance Medical Center CurrentSince Jul 8, 2025 Accepting new patients
Sutter West Bay Medical Foundation Family Medicine PastSince Apr 1, 2022 Accepting new patients

Locations

1381 University St
Healdsburg, CA 95448
Phone (707) 431-8234

8465 Old Redwood Hwy
Ste 320
Windsor, CA 95492
Phone (707) 433-5494

Organizations & group practices 3

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": "1648684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1518607282",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1381 UNIVERSITY ST",
            "city": "HEALDSBURG",
            "state": "CA",
            "postal_code": "954483314",
            "telephone_number": "707-433-5494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1381 UNIVERSITY ST",
            "city": "HEALDSBURG",
            "state": "CA",
            "postal_code": "954483314",
            "telephone_number": "707-433-5494"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8465 Old Redwood Hwy Ste 320",
            "address_purpose": "LOCATION",
            "city": "Windsor",
            "state": "CA",
            "postal_code": "954929244",
            "country_code": "US",
            "telephone_number": "707-431-1170",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAYAS ALMERAZ",
        "first_name": "MA DE LOURDES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-31",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A197839",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Healdsburg, CA

Sources for this page

Verify at the official NPI Registry.