John Howard Rex, MD
Infectious Disease Physician · Houston, TX
John Howard Rex, MD is an infectious disease physician with a practice address in Houston, Texas, and NPI 1306151162, issued on Aug 17, 2010. Check the license (Texas G8957, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Howard Rex
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- G8957 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2617C W Holcombe Blvd # 114, Houston, TX 77025
- Phone
- (832) 279-3107
- Enumerated
- Aug 17, 2010
- Record last updated
- Aug 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- P080H1776 TX
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 674 in Texas → Look up another NPI →
Verify John Howard Rex in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G8957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $5,642.33
4 payments; by number, the most common kind was travel and lodging; the largest payer was bioMerieux Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Howard Rex among 674 infectious disease physician records in Texas
John Howard Rex, 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 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2010 · 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.
All 674 in Texas → Every provider in Houston → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Christopher Lahart, M.D.Houston, TX 770251477920411
- Mary Weinert, MDHouston, TX 770251881672541
- Alan Chapman, MDHouston, TX 770241245239177
- Coralia Mihu, MDHouston, TX 770241740455534
- Garabet Akoghlanian, M.D.Houston, TX 770271447699145
- Clare Gentry, M.D.Houston, TX 770271881635209
- Victor Fainstein, MDHouston, TX 770301912985664
- Richard Harris, M.D.Houston, TX 770301851373039
Common questions
What is John Howard Rex, MD's NPI number?
John Howard Rex, MD's National Provider Identifier (NPI) is 1306151162, issued on Aug 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is John Howard Rex, MD located?
The NPPES record lists a practice address at 2617C W Holcombe Blvd # 114, Houston, TX, 77025. Phone: (832) 279-3107. Providers update this record themselves, so call before visiting.
How can I verify John Howard Rex, MD's license?
NPPES lists Texas license number G8957, 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.