Robert Thomas Dewar
Internal Medicine Physician · Dallas, TX
Robert Thomas Dewar is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1235592429, issued on Apr 4, 2016. Check the license (Texas T0076, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Thomas Dewar
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- T0076 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3417 Gaston Ave Ste 1000, Dallas, TX 75246
- Phone
- (469) 800-9000
- Enumerated
- Apr 4, 2016
- Record last updated
- Jul 1, 2025
- Fax
- (469) 800-9010
- Medicare enrollment
- Enrolled (PECOS I20210803003057); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3417 Gaston Ave Ste 1000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roma VaswaniPhysician Assistant1649812272
Verify Robert Thomas Dewar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T0076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,929 Medicare Part D claims for 372 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 61 claims were for opioids.
Most prescribed
- Atorvastatin Calcium357 claims
- Rosuvastatin Calcium208 claims
- Amlodipine Besylate195 claims
- Lisinopril145 claims
- Pantoprazole Sodium138 claims
- Levothyroxine Sodium133 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: $512.59
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Healthtexas Provider NetworkDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Thomas Dewar among 9,175 internal medicine physician records in Texas
Robert Thomas Dewar is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 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 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Allison, M.D.Dallas, TX 752461750339719
- Uyen-Thi Cao, MDDallas, TX 752461639100555
- Susan Favour, MDDallas, TX 752461205895562
- Linsheng Guo, M.D.Dallas, TX 752461053365510
- Donald Kennerly, MDDallas, TX 752461538124763
- Susan Kohl, MDDallas, TX 752461528098811
- Ruth Krishnan, M.D.Dallas, TX 752461265480685
- Andrew Masica, M.D.Dallas, TX 752461881625440
Common questions
What is Robert Thomas Dewar's NPI number?
Robert Thomas Dewar's National Provider Identifier (NPI) is 1235592429, issued on Apr 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert Thomas Dewar located?
The NPPES record lists a practice address at 3417 Gaston Ave Ste 1000, Dallas, TX, 75246. Phone: (469) 800-9000. Providers update this record themselves, so call before visiting.
How can I verify Robert Thomas Dewar's license?
NPPES lists Texas license number T0076, 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 Robert Thomas Dewar prescribe under Medicare Part D?
In 2024, Robert Thomas Dewar had 4,929 Medicare Part D claims for 372 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.