Alison Lyn Deforest Sjahrial, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A188120 Issued in CA

Practice address

1809 National Ave
San Diego, CA 92113-2113

Phone

(619) 515-2300

NPI assigned

Apr 7, 2021

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Alison Lyn Deforest Former name

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

Specialty

Obstetrics/Gynecology

Education

Loyola University of Chicago, Stritch School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Family Health Centers of San Diego IncGroup PAC ID 3476446378, 299 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: adeforest371884@direct.llu.edu

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.

• Family Health Centers of San Diego, Inc

  • Federally Qualified Health Center (FQHC)
  • San Diego, CA
  • NPI 1447281936
  Medicare reassignment Care Compare group NPD
• Family Health Centers of San Diego, Inc

  • Federally Qualified Health Center (FQHC)
  • Escondido, CA
  • NPI 1356178180
  NPD
• Family Health Centers of San Diego, Inc.

  • Ambulatory Surgical Clinic/Center
  • San Diego, CA
  • NPI 1326231713
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617753600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759104000000",
    "number": "1154900843",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "823 GATEWAY CENTER WAY",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921024541",
            "telephone_number": "619-515-2300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1809 NATIONAL AVE",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921132113",
            "telephone_number": "619-515-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEFOREST SJAHRIAL",
        "first_name": "ALISON",
        "middle_name": "LYN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-04-07",
        "last_updated": "2025-09-29",
        "certification_date": "2025-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A188120",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALISON",
            "last_name": "DEFOREST",
            "middle_name": "LYN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Barabara Colleen Deets, RD
• Fernand Miguel Defante, IDC
• Bridget Taylor Defelice, NNP-BC
• Chelsea Defelice, NP
• Michelle C Deflorimonte, FNP
• Zachary Pietro Defran, LMFT
• David P Defrancesco, PH.D.
• Deanna Lynn Defreitas
• Kara Sebastian Defreitas
• Jamie Degagne, RDN

• Obstetrics & Gynecology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.