Mackenzie J Jacoby, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

U4228 Issued in TX

Practice address

6431 Fannin St Ste MSB 5195
Houston, TX 77030-1501

Phone

(713) 500-6113

Fax

(713) 500-0528

NPI assigned

Apr 1, 2019

Last updated

Jan 21, 2026By the provider in NPPES

Sex

Female

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 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

Anesthesiology

Education

Other, 2019

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)

Hospital & facility affiliations

• Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068
• Harris Health Hospital, Houston, TX, CCN 450289

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

• Ut Physicians

  • Anesthesiology Physician
  • Houston, TX
  • NPI 1033157821
  Medicare reassignment Care Compare group NPD
• Ut Physicians

  dba UT Health Services

  • Health Educator
  • Houston, TX
  • NPI 1316534472
  NPD
• Cardiovascular Care Providers, Inc.

  • Specialist
  • Houston, TX
  • NPI 1437242617
  NPD (past)

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

• Harris County Hospital District

  dba Harris Health

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1205900370
  Care Compare affiliation
• Memorial Hermann Health System

  dba Mhhs Hermann Outpatient Imaging Center

  • Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
  • Houston, TX
  • NPI 1437189115

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba Memorial Hermann Hospital

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1982666111
  Care Compare affiliation

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

{
    "created_epoch": "1554076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1396207106",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2502 BEVIS ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770081848",
            "telephone_number": "573-673-1005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6431 FANNIN ST STE MSB 5195",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "713-500-6113",
            "fax_number": "713-500-0528"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JACOBY",
        "first_name": "MACKENZIE",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-01",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "U4228",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• James Western Jacobson, PH.D.
• Kalen L. Jacobson, M.D.
• Shannon Jacobson, CCC-SLP
• Sheila Werch Jacobson, M.D.
• Jill Henzell Jacoby, M.D.
• Joshua Jacome, PA
• Luisa Jacomina
• Shean Nicole Caballero Jacot
• Jacqueline Duong DMD PLLC
• Jacqueline R Carruthers, MD, PA

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.