NPPES file of Aug 9, 2026

Janitzio Jiovanni Guzman, MD

Infectious Disease Physician · Houston, TX

Janitzio Jiovanni Guzman, MD is an infectious disease physician with a practice address in Houston, Texas, and NPI 1235592643, issued on Apr 1, 2016. Check the license (Texas V9909, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235592643
Name
Janitzio Jiovanni Guzman
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
V9909 TX
MD048232 DC
Self-reported in NPPES; status is on the state search
Practice location
3601 N Macgregor Way, Houston, TX 77004
Phone
(713) 873-3700
Enumerated
Apr 1, 2016
Record last updated
Jul 1, 2026
Medicare enrollment
Enrolled (PECOS I20250724001604); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2016
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.
Download card Updates feed

Also registered at 3601 N Macgregor Way

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

  1. Zachary Beauchamp, DPTOrthopedic Physical Therapist1508465063
  2. Dominique Brewster, PHARM D, BCPSPharmacotherapy Pharmacist1639628746
  3. Florence Brown, OTRHand Occupational Therapist1972718419
  4. Tamara Callis, MDPediatrics Physician1952588931
  5. Amy Cao, M.D.Physical Medicine & Rehabilitation Physician1205181401
  6. Martin Castaneda Solorzano, PT, DPTNeurology Physical Therapist1366954752

Verify Janitzio Jiovanni Guzman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V9909
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Baylor College OF MedicineHouston, TX

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

Janitzio Jiovanni Guzman among 674 infectious disease physician records in Texas

Janitzio Jiovanni Guzman, MD is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2016 · median 2002 among the 510 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Texas

There are 674 infectious disease physician records in Texas.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Joseph Gathe, M.D.Houston, TX 770041366436263
  2. Thomas Kaspar, M.D.Houston, TX 770041205810629
  3. Jordan Lake, M.D.Houston, TX 770041700032075
  4. Benjamin Portnoy, MDHouston, TX 770041073583423
  5. Rubina Joseph, M.D.Houston, TX 770061104051853
  6. Rocco RichardsHouston, TX 770061679912729
  7. William Siebert, M.D.Houston, TX 770021962465765
  8. Meena Sunil, M.D.Houston, TX 770061801108428

Common questions

What is Janitzio Jiovanni Guzman, MD's NPI number?

Janitzio Jiovanni Guzman, MD's National Provider Identifier (NPI) is 1235592643, issued on Apr 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Janitzio Jiovanni Guzman, MD located?

The NPPES record lists a practice address at 3601 N Macgregor Way, Houston, TX, 77004. Phone: (713) 873-3700. Providers update this record themselves, so call before visiting.

How can I verify Janitzio Jiovanni Guzman, MD's license?

NPPES lists Texas license number V9909, 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.