NPPES file of Aug 9, 2026

Dharmraj Chauhan, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX

Dharmraj Chauhan, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Houston, Texas, and NPI 1568775096, issued on Jul 26, 2010. Check the license (Texas R7415, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568775096
Name
Dharmraj Chauhan
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
R7415 TX
036139891 IL
25MA09711700 NJ
Self-reported in NPPES; status is on the state search
Practice location
7737 Southwest Fwy Ste 201, Houston, TX 77074
Phone
(713) 776-0655
Enumerated
Jul 26, 2010
Record last updated
Jul 5, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(713) 776-1069
Medicare enrollment
Enrolled (PECOS I20180809005487); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 484 in Texas → Look up another NPI →

Also registered at 7737 Southwest Fwy Ste 201

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Orton, PASurgical Physician Assistant1750251757

Verify Dharmraj Chauhan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R7415    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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33% more Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

134 Medicare Part D claims for 73 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 41 claims were for opioids.

  1. Dharmraj Chauhan134
  2. Specialty average101

Most prescribed

  1. Clopidogrel38 claims
  2. Tramadol Hcl36 claims
  3. Mupirocin12 claims
  4. Chlorhexidine Gluconate11 claims
  5. Xarelto11 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.

Industry payments in 2024: $1,370.11

25 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dharmraj Chauhan$1,370.11
  2. Specialty average$7,828.84

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

  1. Tsa-Texas Surgical Associates LLPHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dharmraj Chauhan among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas

Dharmraj Chauhan, M.D. is one of 484 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Texas. 79% 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 73% of them.

  • NPI issued2010 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2010 · median 1996 among the 309 with a school on file
  • Record last updated2018 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Texas

There are 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas.

All 484 in Texas → Every provider in Houston → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Robert Baldwin, MDHouston, TX 770741154321487
  2. Luis Echeverri, MDHouston, TX 770741457351777
  3. Gonzalo Vargas, MDHouston, TX 770741265432314
  4. Lucas Duvall, MDHouston, TX 770701598975898
  5. Henry Hansen, MDHouston, TX 770701104881945
  6. Fernando Ramirez Del Val, MDHouston, TX 770701144753526
  7. Robert McKowen, M.D.Houston, TX 770821861534828
  8. Michael Lopez, D.O.Houston, TX 770891285096271

Common questions

What is Dharmraj Chauhan, M.D.'s NPI number?

Dharmraj Chauhan, M.D.'s National Provider Identifier (NPI) is 1568775096, issued on Jul 26, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Dharmraj Chauhan, M.D. located?

The NPPES record lists a practice address at 7737 Southwest Fwy Ste 201, Houston, TX, 77074. Phone: (713) 776-0655. Providers update this record themselves, so call before visiting.

How can I verify Dharmraj Chauhan, M.D.'s license?

NPPES lists Texas license number R7415, 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 Dharmraj Chauhan, M.D. prescribe under Medicare Part D?

In 2024, Dharmraj Chauhan, M.D. had 134 Medicare Part D claims for 73 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.