Daniel Isaac Thadathil, MD
Hospitalist Physician · Houston, TX
Daniel Isaac Thadathil, MD is a hospitalist physician with a practice address in Houston, Texas, and NPI 1326675844, issued on Mar 25, 2020. Check the license (Texas U4950, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel Isaac Thadathil
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- U4950 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6411 Fannin St, Houston, TX 77030
- Phone
- (713) 704-4000
- Enumerated
- Mar 25, 2020
- Record last updated
- Aug 20, 2023
- Medicare enrollment
- Enrolled (PECOS I20230914000461); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,587 in Texas → Look up another NPI →
Also registered at 6411 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Isaac Thadathil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U4950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average hospitalist physician in 2024
139 Medicare Part D claims for 60 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Ondansetron Hcl22 claims
- Oxycodone Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- UT PhysiciansHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Isaac Thadathil among 1,587 hospitalist physician records in Texas
Daniel Isaac Thadathil, MD is one of 1,587 hospitalist 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 2020, is newer than 80% of them.
- NPI issued2020 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2018 · median 2013 among the 1,298 with a school on file
- Record last updated2023 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Texas
There are 1,587 hospitalist physician records in Texas.
All 1,587 in Texas → Every provider in Houston → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jamuna Daniel, M.D.Houston, TX 770301679541304
- John FlynnHouston, TX 770301144263955
- Ron Giveon, M.D.Houston, TX 770301386606788
- Josiah Halm, MDHouston, TX 770301275640880
- Matthew Harbison, MDHouston, TX 770301043223209
- Lubna Khawaja, M.D.Houston, TX 770301891748935
- Gina Khraish, M.D.Houston, TX 770301295764413
- Achilia Morrow, M.D.Houston, TX 770301548374044
Common questions
What is Daniel Isaac Thadathil, MD's NPI number?
Daniel Isaac Thadathil, MD's National Provider Identifier (NPI) is 1326675844, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Isaac Thadathil, MD located?
The NPPES record lists a practice address at 6411 Fannin St, Houston, TX, 77030. Phone: (713) 704-4000. Providers update this record themselves, so call before visiting.
How can I verify Daniel Isaac Thadathil, MD's license?
NPPES lists Texas license number U4950, 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 Daniel Isaac Thadathil, MD prescribe under Medicare Part D?
In 2024, Daniel Isaac Thadathil, MD had 139 Medicare Part D claims for 60 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Daniel Isaac Thadathil, MD's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.