Zain Gulzar, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

K9554 Issued in TX

Practice address

301 Lindberg Ave
Ste D & E
McAllen, TX 78501-2902

Phone

(956) 972-0800

Fax

(956) 972-0815

NPI assigned

Jun 10, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Valley Gastroenterology Clinic, P.a.

  • Gastroenterology Physician
  • McAllen, TX
  • NPI 1225192768
  NPD (past)
• Valley Medical Group PLLC

  • Endocrinology, Diabetes & Metabolism Physician
  • McAllen, TX
  • NPI 1821107673
  NPD (past)

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

{
    "created_epoch": "1149897600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1467494112",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 LINDBERG AVE",
            "address_2": "STE D & E",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785012902",
            "telephone_number": "956-972-0800",
            "fax_number": "956-972-0815"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 LINDBERG AVE",
            "address_2": "STE D & E",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785012902",
            "telephone_number": "956-972-0800",
            "fax_number": "956-972-0815"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GULZAR",
        "first_name": "ZAIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "TX",
            "license": "K9554",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacqueline Itzel Guillen Botello, LPC
• Guillermo L Montanez, M.D.,P.a.
• Gulf Biomechanical Laboratory LLC
• Gulf Coast Pathology Program PLLC
• Gary W Gulley, PHYSICIAN ASSISTANT
• Irwan K Gunadi, MD
• Stephanie Aftergut Gurwitz, M.S. CCC-SLP
• Gustavo Buentello MD F. a. a. P., PA (Buentello Medical and Wellness Center)
• Gustavo C Licea Mdpa
• Abraham Gutierrez Sauceda, MD

• Endocrinology, Diabetes & Metabolism Physician in McAllen, TX
• Providers in McAllen, TX by specialty
• Endocrinology, Diabetes & Metabolism Physician in Texas

• 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.