Zachary Scott Pallister, M.D.

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

R2433 Issued in TX

Practice address

23960 Katy Fwy Ste 150
Katy, TX 77494-0891

Phone

(713) 486-8346

Fax

(281) 665-3980

NPI assigned

Jun 25, 2012

Last updated

Aug 27, 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 3

Addresses

Electronic endpoints 1

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

Vascular SurgeryAlso: General Surgery

Education

University of Texas Medical Branch at Galveston, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Baylor College of MedicineGroup PAC ID 8224941265, 796 clinicians

Baylor College of MedicineGroup PAC ID 8022243971, 1,230 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baylor St Lukes Medical Center Hospital, Houston, TX, CCN 450193
• Harris Health Hospital, Houston, TX, CCN 450289

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: zpallister12932@bcm.ghhdirect.net
• Direct secure messaging: zpallister16420@direct.kelsey-seybold.com

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.

• Baylor College of Medicine

  dba HCHD Community Medicine

  • Family Medicine Physician
  • Houston, TX
  • NPI 1053352914
  Medicare reassignment Care Compare group NPD
• Baylor College of Medicine

  dba BCM Physicians

  • Ph.D. Medical Genetics
  • Houston, TX
  • NPI 1881026664

  Surgery

  Medicare reassignment Care Compare group NPD
• Kelsey-Seybold Medical Group, PLLC

  dba Kelsey Seybold Clinic

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1013915255
  Medicare reassignment NPD
• Baylor College of Medicine

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1104867175
  NPD
• Baylor College of Medicine

  • Orthopaedic Surgery Physician
  • Sugar Land, TX
  • NPI 1700683844
  NPD
• Baylor College of Medicine

  • Neurological Surgery Physician
  • Houston, TX
  • NPI 1730132721
  NPD (past)

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

• CHI St. Luke's Health Baylor College of Medicine Medical Center

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1184622847
  Care Compare affiliation
• Harris County Hospital District

  dba Harris Health

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1205900370
  Care Compare affiliation

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

{
    "created_epoch": "1340582400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1528321536",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7200 CAMBRIDGE ST FL 6",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770304202",
            "telephone_number": "713-798-5700",
            "fax_number": "713-798-4693"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23960 KATY FWY STE 150",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774940891",
            "telephone_number": "713-486-8346",
            "fax_number": "281-665-3980"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Baylor Plz",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770303411",
            "country_code": "US",
            "telephone_number": "713-798-4951",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2727 W Holcombe Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770251669",
            "country_code": "US",
            "telephone_number": "713-442-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7200 Cambridge St Fl 6",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304202",
            "country_code": "US",
            "telephone_number": "713-798-5700 x2",
            "fax_number": "713-798-4693",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PALLISTER",
        "first_name": "ZACHARY",
        "middle_name": "SCOTT",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-25",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "BP10043016",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "R2433",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "TX",
            "license": "R2433",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "zpallister12932@bcm.ghhdirect.net",
            "affiliation": "N",
            "address_1": "7200 Cambridge St Fl 6",
            "city": "Houston",
            "state": "TX",
            "country_code": "US",
            "postal_code": "770304202",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Pain Therapy Chiropractic LLC (Pain Therapy Chiropractic)
• Pak Durable Medical Equipment LLC
• Pak Surgical Assistants LP
• Jennifer Renee Palazzolo-Erazo, RN,BSN MED SURG
• Palla RPS LLC (Katy Imaging)
• Charlene Y Palmer, RN
• Hannah Palmer
• Laiya Palmer
• Terri Renee Palmer
• Karishma Palvadi, MD

• Vascular Surgery Physician in Katy, TX
• Providers in Katy, TX by specialty
• Vascular Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.