NPIMap

Individual provider Active NPI

Tugrul Purnak, M.D.

  • Gastroenterology Physician
  • Houston, TX
National Provider Identifier
1346616851
Registry record updated May 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
U6554 Issued in TX
Practice address
6400 Fannin St Ste 1400
Houston, TX 77030-1512
Phone
(713) 704-3450
Fax
(713) 704-9938
NPI assigned
Aug 19, 2015
Last updated
May 14, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 14, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 11018563A IN
Gastroenterology Physician 207RG0100X U6554 TX Primary

Addresses

Primary practice location

6400 Fannin St Ste 1400
Houston, TX 77030-1512

Mailing address

6400 Fannin St Ste 1400
Houston, TX 77030-1512
Phone (713) 704-3450

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
I20190827003066 TX Practitioner - GastroenterologyPractitioner - Internal Medicine 8224366372 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ut PhysiciansGroup PAC ID 8426960360, 1,744 clinicians

Practice addresses (Care Compare)

1333 Moursund St
Houston, TX 77030-3405
Phone (713) 797-5929

6400 Fannin St
Suite 2700
Houston, TX 77030-1539
Phone (713) 486-5000

6410 Fannin St
Houston, TX 77030-3005

6411 Fannin St
Houston, TX 77030-1501
Phone (713) 704-0093

6431 Fannin St
MSB2.100
Houston, TX 77030-1501
Phone (713) 500-7700

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.11 of 100Reported as group
Quality
69.15
Promoting interoperability
100
Improvement activities
40
Cost
73.63

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy20
Upper gastrointestinal (GI) endoscopy for acid reflux39

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
11018563AINMDGastroenterology Physician
U6554TXMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Physicians CurrentSince Jul 26, 2019 Accepting new patients
Ut Physicians CurrentSince Jul 26, 2019 Accepting new patients

Locations

6400 Fannin St
Ste 1400
Houston, TX 77030
Phone (713) 500-6677

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

Interoperability endpoints

  • Direct secure messaging: tpurnak54338@memorialhermann.direct-ci.com

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 16

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1439942400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747180800000",
    "number": "1346616851",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6400 FANNIN ST STE 1400",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301512",
            "telephone_number": "713-704-3450",
            "fax_number": "713-704-9938"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6400 FANNIN ST STE 1400",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301512",
            "telephone_number": "713-704-3450",
            "fax_number": "713-704-9938"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PURNAK",
        "first_name": "TUGRUL",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-08-19",
        "last_updated": "2025-05-14",
        "certification_date": "2025-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IN",
            "license": "11018563A",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "U6554",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.