Syed Azhar Hassan, MD

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

R3337 Issued in TX

Practice address

620 N Ed Carey Dr
Harlingen, TX 78550-7912

Phone

(956) 230-4971

Fax

(956) 230-4972

NPI assigned

Jun 19, 2013

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Endocrinology

Education

Other, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Harlingen Medical Center Hospital, Harlingen, TX, CCN 450855
• VHS Harlingen Hospital Company LLC Hospital, Harlingen, TX, CCN 450033

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/AJHCCD/Endpoint/AJHCCD

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.

• Diabetes & Endocrinology Clinic of South Texas PLLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Harlingen, TX
  • NPI 1770197816

  Endocrinology, Diabetes & Metabolism, TX

  Medicare reassignment NPD Authorized official
• Eastland Memorial Hospital District

  • Skilled Nursing Facility
  • Fort Worth, TX
  • NPI 1669929642
  NPD (past)
• Family Allergy & Asthma Center PA

  • Allergy Physician
  • Brownsville, TX
  • NPI 1184789653
  NPD (past)

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

• Harlingen Medical Center Limited Partnership

  • General Acute Care Hospital
  • Harlingen, TX
  • NPI 1881688976

  Hospital

  Care Compare affiliation
• VHS Harlingen Hospital Company LLC

  • General Acute Care Hospital
  • Harlingen, TX
  • NPI 1154618742

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1371600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1043659345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "620 N ED CAREY DR",
            "city": "HARLINGEN",
            "state": "TX",
            "postal_code": "785507912",
            "telephone_number": "956-230-4971",
            "fax_number": "956-230-4972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "620 N ED CAREY DR",
            "city": "HARLINGEN",
            "state": "TX",
            "postal_code": "785507912",
            "telephone_number": "956-230-4971",
            "fax_number": "956-230-4972"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3761 RUBEN M TORRES SR BLVD",
            "address_purpose": "LOCATION",
            "city": "Brownsville",
            "state": "TX",
            "postal_code": "78526",
            "country_code": "US",
            "telephone_number": "956-230-4971",
            "fax_number": "956-280-5554",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HASSAN",
        "first_name": "SYED",
        "middle_name": "AZHAR",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-19",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301103175",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "TX",
            "license": "R3337",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Max Harris
• Victor H Harris
• Hartman Advanced Practice, PLLC
• Hartman Advanced Practice, PLLC
• Ameer Elsayed Hassan, DO
• Robert L. Hatcher, M.D.
• Denise Hausenfluck, D.D.S
• Mark M Hayden, MD
• Veronica Hayes, R.D.
• Hcicd, PLLC

• All providers in Harlingen, TX
• Endocrinology, Diabetes & Metabolism Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.