NPIMap

Individual provider Active NPI

Mark L Prasarn, MD

  • Orthopaedic Surgery Physician
  • Houston, TX
National Provider Identifier
1750583910
Registry record updated Jan 24, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
P1389 Issued in TX
Practice address
6414 Fannin St Ste G150
Houston, TX 77030-1514
Phone
(713) 486-7500
Fax
(713) 512-2234
NPI assigned
Jun 1, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 24, 2012

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 248584 NY
Orthopaedic Surgery Physician 207X00000X P1389 TX Primary

Addresses

Primary practice location

6414 Fannin St Ste G150
Houston, TX 77030-1514

Mailing address

6414 Fannin St Ste G150
Houston, TX 77030-1514
Phone (713) 486-7500

Other identifiers 1

IdentifierTypeStateIssuer
283706401MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110921000348 TX Practitioner - Orthopedic Surgery 8224181292 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
New York University School of Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians
TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians

Practice addresses (Care Compare)

5505 W Loop S
Suite 100
Houston, TX 77081-2206
Phone (713) 441-9000

6445 Main St
Suite 2500
Houston, TX 77030-1502
Phone (713) 441-4347

6565 Fannin St
Houston, TX 77030-2703

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion178
Laminectomy or laminotomy (partial removal of spine bones)57

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Houston Methodist Specialty Physicians Orthopaedic Surgery CurrentSince Sep 2, 2025 Accepting new patients
TMH Physician Associates PLLC CurrentSince Sep 5, 2023 Accepting new patients
TMH Physician Associates PLLC Orthopaedic Surgery CurrentSince Sep 5, 2023 Accepting new patients
Houston Methodist Past Accepting new patients

Locations

24518 Northwest Fwy
Ste 275
Cypress, TX 77429
Phone (346) 618-4100

7575 San Felipe St
Ste 155
Houston, TX 77063
Phone (713) 266-9955

6445 Main St
Ste 2500
Houston, TX 77030
Phone (713) 441-3150

16605 Southwest Fwy
Ste 400
Sugar Land, TX 77479
Phone (281) 275-0800

Interoperability endpoints

  • Direct secure messaging: mprasarn459534@directhoustonmethodist.org
  • Direct secure messaging: mprasarn10409@direct.uth.org

Organizations & group practices 4

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 7

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": "1180656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1327363200000",
    "number": "1750583910",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6414 FANNIN ST STE G150",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301514",
            "telephone_number": "713-486-7500",
            "fax_number": "713-512-2234"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6414 FANNIN ST STE G150",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301514",
            "telephone_number": "713-486-7500",
            "fax_number": "713-512-2234"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PRASARN",
        "first_name": "MARK",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-01",
        "last_updated": "2012-01-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "NY",
            "license": "248584",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "TX",
            "license": "P1389",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "283706401",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.