Robert Samuel Diaz, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

V7498 Issued in TX

Practice address

2800 S Macgregor Way
Houston, TX 77021-1032

Phone

(971) 322-6771

NPI assigned

Mar 23, 2021

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

Enrolled in OR, TX2 enrollments

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 2

Merit-based Incentive Payment System (MIPS)

Final score

89.57 of 100Reported as group

Quality

77.16

Improvement activities

40

Cost

90.44

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Ut Physicians

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1033157821

  Psychiatry

  Medicare reassignment NPD
• Ubh of Oregon, LLC

  • Psychiatric Hospital
  • Beaverton, OR
  • NPI 1528231826
  Medicare reassignment NPD
• Ut Physicians

  • Health Educator
  • Houston, TX
  • NPI 1316534472
  NPD
• University of Texas Health Science Center at Houston

  • Psychiatric Hospital
  • Houston, TX
  • NPI 1578547667
  NPD (past)

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

{
    "created_epoch": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773878400000",
    "number": "1245816727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2800 S MACGREGOR WAY",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770211032",
            "telephone_number": "971-322-6771"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 S MACGREGOR WAY",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770211032",
            "telephone_number": "971-322-6771"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3181 SW Sam Jackson Park Rd L-579",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "97239",
            "country_code": "US",
            "telephone_number": "971-322-6771",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ROBERT",
        "middle_name": "SAMUEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-23",
        "last_updated": "2026-03-19",
        "certification_date": "2026-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "V7498",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mireya Diaz
• Nassim Diaz
• Orlando Manuel Diaz, M.D.
• Priscilla Diaz, RN
• Raquel Diaz
• Rolando G. Diaz, M.D.
• Saleta Diaz
• Salvador F. Diaz
• Samantha Gabriella Diaz, PA-C
• Sandra Diaz

• Psychiatry Physician in Houston, TX
• Providers in Houston, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 2026; 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.