Doctor profile · Federal record

Dr. Nathanial Bartosek

Internal Medicine Physician · Royal Oak, MI

  • NPI 1548831381
  • 5 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3601 W 13 Mile RD
Royal Oak, MI 480736712
(248) 551-3000
fax (248) 551-9425
Mailing address
3601 W 13 Mile RD # Gme
Royal Oak, MI 480736712

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Profile last updated
June 21, 2023
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4351051392

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548831381. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$249
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $124.74
E.R. Squibb & Sons, L.L.C. 1 $123.94

By nature of payment

Food and Beverage
$249

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathanial Bartosek's medical specialty?
Dr. Nathanial Bartosek practices Internal Medicine Physician in Royal Oak, MI.
Where does Dr. Nathanial Bartosek practice?
Dr. Nathanial Bartosek practices at 3601 W 13 Mile RD, Royal Oak, MI 480736712. Office phone: 2485513000.
What is Dr. Nathanial Bartosek's NPI?
Dr. Nathanial Bartosek's National Provider Identifier (NPI) is 1548831381, issued by NPPES.