Doctor profile · Federal record

Dr. Cassi Osak, CNM

Midwife · Clinton Township, MI

  • NPI 1053948190
  • 6 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18733 Thomasine St
Clinton Township, MI 480364051
(586) 838-6752

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Specialty taxonomy
176B00000X — NUCC code
State license (1)
Michigan #4704309385

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053948190. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$182
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, Inc. 4 $92.28
MAYNE PHARMA COMMERCIAL LLC 3 $58.83
SANOFI PASTEUR INC. 1 $17.46
Exeltis, USA Inc. 1 $13.79

By nature of payment

Food and Beverage
$182

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassi Osak's medical specialty?
Dr. Cassi Osak practices Midwife in Clinton Township, MI.
Where does Dr. Cassi Osak practice?
Dr. Cassi Osak practices at 18733 Thomasine St, Clinton Township, MI 480364051. Office phone: 5868386752.
What is Dr. Cassi Osak's NPI?
Dr. Cassi Osak's National Provider Identifier (NPI) is 1053948190, issued by NPPES.