Individual provider Active NPI

Mark Lavern Messingham, M.D.

  • Adult Medicine Physician
  • New Port Richey, FL
National Provider Identifier
1326002627
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Medicine PhysicianTaxonomy code 207QA0505X
License
M25811 Issued in MN
Practice address
9912 Little Rd
New Port Richey, FL 34654-3419
Phone
(727) 869-4100
NPI assigned
Apr 13, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Medicine Physician 207QA0505X M25811 MN Primary

Addresses

Primary practice location

9912 Little Rd
New Port Richey, FL 34654-3419

Mailing address

17815 Hickory Moss PL
Tampa, FL 33647-2285
Phone (813) 973-8697

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
M25811MNMDAdult Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1144886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1326002627",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17815 HICKORY MOSS PL",
            "city": "TAMPA",
            "state": "FL",
            "postal_code": "336472285",
            "telephone_number": "813-973-8697"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9912 LITTLE RD",
            "city": "NEW PORT RICHEY",
            "state": "FL",
            "postal_code": "346543419",
            "telephone_number": "727-869-4100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSINGHAM",
        "first_name": "MARK",
        "middle_name": "LAVERN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QA0505X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Adult Medicine",
            "state": "MN",
            "license": "M25811",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Port Richey, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.