Doctor profile · Federal record

Dr. Nathan Markel

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Dallas, TX

  • NPI 1932633583
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3600 Gaston Ave Ste 550
Dallas, TX 752461905
(214) 821-1177

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
September 15, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #S7913

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932633583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
111
Distinct HCPCS
1
Medicare allowed
$18,813
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 111 108 $169

In context: peer comparison

Among 289 peers in this city , average services per provider: 185. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$79
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $51.40
Janssen Pharmaceuticals, Inc 1 $27.71

By nature of payment

Food and Beverage
$79

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Markel's medical specialty?
Dr. Nathan Markel practices Internal Medicine Physician in Dallas, TX.
Where does Dr. Nathan Markel practice?
Dr. Nathan Markel practices at 3600 Gaston Ave Ste 550, Dallas, TX 752461905. Office phone: 2148211177.
What is Dr. Nathan Markel's NPI?
Dr. Nathan Markel's National Provider Identifier (NPI) is 1932633583, issued by NPPES.
Does Dr. Nathan Markel accept Medicare assignment?
Yes. Dr. Nathan Markel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Markel commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.