Thomas Marcello, MD
Emergency Medicine Physician · Webster, TX
Thomas Marcello, MD is an emergency medicine physician with a practice address in Webster, Texas, and NPI 1871054379, issued on Mar 27, 2019. Check the license (Texas S9183, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Marcello
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- S9183 TX
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Medical Center Blvd, Webster, TX 77598
- Phone
- (281) 332-2511
- Enumerated
- Mar 27, 2019
- Record last updated
- Jul 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20220711000461); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 500 W Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Henry Aaker, DOStudent in an Organized Health Care Education/Training Program1144168170
- Omar Abbasi, DOStudent in an Organized Health Care Education/Training Program1033057203
- Mohammad Abotteen, PHARMDPharmacist1861972978
- Kaashif Ahmad, M.D.Neonatal-Perinatal Medicine Physician1710934625
- Ali Ali, MDStudent in an Organized Health Care Education/Training Program1790586709
- Hakam Alsawalha, M.D.Student in an Organized Health Care Education/Training Program1609761030
Verify Thomas Marcello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S9183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average emergency medicine physician in 2024
105 Medicare Part D claims for 82 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Cefuroxime15 claims
- Ondansetron Odt15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Barrier Reef Emergency Physicians PLLCLeague City, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Marcello among 4,885 emergency medicine physician records in Texas
Thomas Marcello, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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 81% of them.
- NPI issued2019 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2019 · median 2013 among the 2,779 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Webster
They are 19 of the 1,514 NPPES records with a practice address in Webster, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Webster → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Yolonda Bourgeois, M.D.Webster, TX 775981336124106
- Blake Chamberlain, M.D.Webster, TX 775981669457404
- Tarrell Coley, MDWebster, TX 775981780180273
- Joseph Jose, D.O.Webster, TX 775981598032492
- Jason Karanja, MDWebster, TX 775981336584747
- Kerry Kikuchi, M.D.Webster, TX 775981295711208
- Nguyen Luu, M.D.Webster, TX 775981760457535
- Safi Madain, DOWebster, TX 775981346419488
Common questions
What is Thomas Marcello, MD's NPI number?
Thomas Marcello, MD's National Provider Identifier (NPI) is 1871054379, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Marcello, MD located?
The NPPES record lists a practice address at 500 W Medical Center Blvd, Webster, TX, 77598. Phone: (281) 332-2511. Providers update this record themselves, so call before visiting.
How can I verify Thomas Marcello, MD's license?
NPPES lists Texas license number S9183, 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.
How much does Thomas Marcello, MD prescribe under Medicare Part D?
In 2024, Thomas Marcello, MD had 105 Medicare Part D claims for 82 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.