Manuel Arnaldo Vilchez-Diaz, M.D.
Critical Care Medicine (Internal Medicine) Physician · Houston, TX
Manuel Arnaldo Vilchez-Diaz, M.D. is a critical care medicine (internal medicine) physician with a practice address in Houston, Texas, and NPI 1164684908, issued on Jul 1, 2008. Check the license (Texas S3889, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Manuel Arnaldo Vilchez-Diaz
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- S3889 TX
E-8963 AR
Self-reported in NPPES; status is on the state search - Practice location
- 6565 Fannin St Ste 1003, Houston, TX 77030
- Phone
- (713) 441-1100
- Enumerated
- Jul 1, 2008
- Record last updated
- Mar 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200128000817); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 413 in Texas → Look up another NPI →
Also registered at 6565 Fannin St Ste 1003
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Javier Finkielman, M.D.Critical Care Medicine (Internal Medicine) Physician1083651962
- Prakruthi Voore, MDCritical Care Medicine (Internal Medicine) Physician1962767152
Verify Manuel Arnaldo Vilchez-Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S3889Check 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: $348.68
5 payments; by number, the most common kind was food and beverage; the largest payer was Alcresta Therapeutics, Inc. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Bills Medicare through one group practice
- Cogent Healthcare OF Texas PAHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Manuel Arnaldo Vilchez-Diaz among 413 critical care medicine (internal medicine) physician records in Texas
Manuel Arnaldo Vilchez-Diaz, M.D. is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 51% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2003 · median 2007 among the 346 with a school on file
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Texas
There are 413 critical care medicine (internal medicine) physician records in Texas.
All 413 in Texas → Every provider in Houston → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Bindu Akkanti, M.DHouston, TX 770301982663514
- Donna Calabrese, M.D.Houston, TX 770301538144845
- Christopher Cortes, M.D.Houston, TX 770301447258959
- John Crommett, M.D.Houston, TX 770301932141892
- Javier Finkielman, M.D.Houston, TX 770301083651962
- James Herlihy, M.D.Houston, TX 770301972555449
- David Powner, M.D.Houston, TX 770301417996356
- Iqbal Ratnani, M.D.Houston, TX 770301861440190
Common questions
What is Manuel Arnaldo Vilchez-Diaz, M.D.'s NPI number?
Manuel Arnaldo Vilchez-Diaz, M.D.'s National Provider Identifier (NPI) is 1164684908, issued on Jul 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Manuel Arnaldo Vilchez-Diaz, M.D. located?
The NPPES record lists a practice address at 6565 Fannin St Ste 1003, Houston, TX, 77030. Phone: (713) 441-1100. Providers update this record themselves, so call before visiting.
How can I verify Manuel Arnaldo Vilchez-Diaz, M.D.'s license?
NPPES lists Texas license number S3889, 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.