Nathan Markel
Internal Medicine Physician · Dallas, TX
Nathan Markel is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1932633583, issued on Apr 19, 2017. Check the license (Texas S7913, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan Markel
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- S7913 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Gaston Ave Ste 550, Dallas, TX 75246
- Phone
- (214) 821-1177
- Enumerated
- Apr 19, 2017
- Record last updated
- Sep 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201022001236); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3600 Gaston Ave Ste 550
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Markel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S7913Check 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: $79.11
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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).
Nathan Markel among 9,175 internal medicine physician records in Texas
Nathan Markel 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 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2004 among the 6,088 with a school on file
- Record last updated2021 · 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 Nathan Markel's NPI number?
Nathan Markel's National Provider Identifier (NPI) is 1932633583, issued on Apr 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Markel located?
The NPPES record lists a practice address at 3600 Gaston Ave Ste 550, Dallas, TX, 75246. Phone: (214) 821-1177. Providers update this record themselves, so call before visiting.
How can I verify Nathan Markel's license?
NPPES lists Texas license number S7913, 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.