Thomas Vasily Isaacs
Pediatric Pulmonology Physician · Houston, TX
Thomas Vasily Isaacs is a pediatric pulmonology physician with a practice address in Houston, Texas, and NPI 1831625565, issued on May 1, 2017. Check the license (Texas S5664, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Vasily Isaacs
- Primary taxonomy
- Pediatric Pulmonology Physician 2080P0214X
- License number
- S5664 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6701 Fannin St, Houston, TX 77030
- Phone
- (832) 824-1000
- Enumerated
- May 1, 2017
- Record last updated
- Feb 28, 2025
- Entity
- Type 1 · individual
8 nearest pediatric pulmonology physician records → All 124 in Texas → Look up another NPI →
Also registered at 6701 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Abelt, CPNPNurse Practitioner1780764043
- Farida Abid, MDPediatrics Physician1629007588
- Hani Abou Hatab, M.DPediatric Infectious Diseases Physician1922450782
- Amy Acosta, PHDPsychologist1265720700
- Ansley Adams, NNPNurse Practitioner1144015157
- Diana Adeleke, LCSWClinical Social Worker1720621683
Verify Thomas Vasily Isaacs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S5664Check 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: $595.34
3 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 621 providers of this specialty with any payment received $1,494.36 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.
Thomas Vasily Isaacs among 124 pediatric pulmonology physician records in Texas
Thomas Vasily Isaacs is one of 124 pediatric pulmonology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 6% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2025 · 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 2080P0214X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Pulmonology Physician providers in Texas
There are 124 pediatric pulmonology physician records in Texas.
All 124 in Texas → Every provider in Houston → Pediatric Pulmonology Physician nationwide →
The 8 pediatric pulmonology physician records with the nearest ZIP codes
- Giuseppe Colasurdo, M.D.Houston, TX 770301780622274
- Khoulood Fakhoury, MDHouston, TX 770301972683217
- Peter Hiatt, MDHouston, TX 770301821178187
- Daniel Hsu, M.D.Houston, TX 770301083636443
- Larry Jefferson, MDHouston, TX 770301083794341
- Julie Katkin, MDHouston, TX 770301245310507
- George Mallory, MDHouston, TX 770301710067111
- Robert Moore, MDHouston, TX 770301598845901
Common questions
What is Thomas Vasily Isaacs's NPI number?
Thomas Vasily Isaacs's National Provider Identifier (NPI) is 1831625565, issued on May 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Vasily Isaacs located?
The NPPES record lists a practice address at 6701 Fannin St, Houston, TX, 77030. Phone: (832) 824-1000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Vasily Isaacs's license?
NPPES lists Texas license number S5664, 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.