NPPES file of Aug 9, 2026

Mackenzie J. Jacoby, MD

Anesthesiology Physician · Houston, TX

Mackenzie J. Jacoby, MD is an anesthesiology physician with a practice address in Houston, Texas, and NPI 1396207106, issued on Apr 1, 2019. Check the license (Texas U4228, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396207106
Name
Mackenzie J. Jacoby
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
U4228 TX
Self-reported in NPPES; status is on the state search
Practice location
6431 Fannin St Ste Msb 5195, Houston, TX 77030
Phone
(713) 500-6113
Enumerated
Apr 1, 2019
Record last updated
Jan 21, 2026
Fax
(713) 500-0528
Medicare enrollment
Enrolled (PECOS I20240221002589); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6431 Fannin St Ste Msb 5195

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cynthia Chapman, M.D.Anesthesiology Physician1154784502
  2. Francis Felice, MDAnesthesiology Physician1902226210
  3. Xuan Langridge, M.D.Anesthesiology Physician1417343518

Verify Mackenzie J. Jacoby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U4228
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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Industry payments in 2024: $137.23

1 payment: food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mackenzie Jacoby$137.23
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. UT PhysiciansHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mackenzie J. Jacoby among 4,635 anesthesiology physician records in Texas

Mackenzie J. Jacoby, MD is one of 4,635 anesthesiology physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.

  • NPI issued2019 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2019 · median 2005 among the 3,293 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,130 anesthesiology physician records list a practice address in Houston

They are 1,130 of the 61,221 NPPES records with a practice address in Houston, and 4,635 anesthesiology physician records in Texas.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Melanie Alo, M.D.Houston, TX 770301689671240
  2. Dean Andropoulos, M.D.Houston, TX 770301366449779
  3. James Anton, M.D.Houston, TX 770301134129992
  4. Liqian Chen, M.D.Houston, TX 770301548260011
  5. Charles Collard, M.D.Houston, TX 770301548260151
  6. Camille Colomb, M.D.Houston, TX 770301790782118
  7. John Cooper, M.D.Houston, TX 770301861492324
  8. Noel Giesecke, MDHouston, TX 770301720088263

Common questions

What is Mackenzie J. Jacoby, MD's NPI number?

Mackenzie J. Jacoby, MD's National Provider Identifier (NPI) is 1396207106, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie J. Jacoby, MD located?

The NPPES record lists a practice address at 6431 Fannin St Ste Msb 5195, Houston, TX, 77030. Phone: (713) 500-6113. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie J. Jacoby, MD's license?

NPPES lists Texas license number U4228, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.