Organization Active NPI

Mark M. Williams, M.D., P.a.

  • Specialist
  • Lynn Haven, FL
National Provider Identifier
1457547523
Registry record updated Feb 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
ME0057987 Issued in FL
Legal business name
MARK M. WILLIAMS, M.D., P.A.
Practice address
2202 Country Club Dr
Lynn Haven, FL 32444-1992
Phone
(850) 381-1010
Fax
(888) 374-8684
NPI assigned
Sep 21, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 26, 2026

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

Authorized official

Name
Dr. Mark M Williams, MD
Title
President
Phone
(850) 769-2757

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
SpecialistGroup: 193400000X SINGLE SPECIALTY GROUP 174400000X ME0057987 FL Primary

Addresses

Primary practice location

2202 Country Club Dr
Lynn Haven, FL 32444-1992

Mailing address

21C Orinda Way # 367
Orinda, CA 94563-2534
Phone (850) 769-2757

Other identifiers 1

IdentifierTypeStateIssuer
372895100MedicaidFL

National Provider Directory

National Provider Directory

Locations

320 E 19th St
Panama City, FL 32405
Phone (850) 769-2757

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1190332800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772064000000",
    "number": "1457547523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21C ORINDA WAY # 367",
            "city": "ORINDA",
            "state": "CA",
            "postal_code": "945632534",
            "telephone_number": "850-769-2757",
            "fax_number": "888-374-8684"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2202 COUNTRY CLUB DR",
            "city": "LYNN HAVEN",
            "state": "FL",
            "postal_code": "324441992",
            "telephone_number": "850-381-1010",
            "fax_number": "888-374-8684"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARK M. WILLIAMS, M.D., P.A.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-09-21",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "M",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "850-769-2757",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Specialist",
            "state": "FL",
            "license": "ME0057987",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "372895100",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lynn Haven, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 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.