Anna Elizabeth Gerst, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

2026036180 Issued in MO

Practice address

9979 Winghaven Blvd Ste 206
O Fallon, MO 63368-3628

Phone

(636) 561-5291

Fax

(636) 561-5290

NPI assigned

Jun 19, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• American Multispecialty Group Inc.

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1972559532

  Pediatrics

  NPD (past)
• M. Edward Mimlitz PC

  • Obstetrics & Gynecology Physician
  • St. Louis, MO
  • NPI 1952715005
  NPD (past)

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

{
    "created_epoch": "1687132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1649955535",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 419052",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631419052",
            "telephone_number": "314-851-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9979 WINGHAVEN BLVD STE 206",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633683628",
            "telephone_number": "636-561-5291",
            "fax_number": "636-561-5290"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERST",
        "first_name": "ANNA",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-06-19",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MO",
            "license": "2026036180",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gregory P Genova, M.D.
• Anish Ann George
• Georgia Chiropractic LLC
• James Georgia, DC
• Jennifer E. Gerken, D.C.
• Eugene Kelly Gessert, AU.D.
• Andrea L Gettman, DPT, OTR/L
• Naman A Ghazal-Albar, MD
• Vonda G Gibson
• Jennifer Lynn Giles, RPH

• Pediatrics Physician in O Fallon, MO
• Providers in O Fallon, MO by specialty
• Pediatrics Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.