Doctor profile · Federal record

Dr. William Zwiers, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Saginaw, MI

  • NPI 1013071372
  • Accepts Medicare
  • MIPS 81.6 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 Cooper Ave
Saginaw, MI 486025383
(989) 583-6200
Mailing address
11120 Thornberry Dr
Freeland, MI 486238528

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
February 5, 2010
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Michigan #4704221301

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013071372. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $14.62

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. William Zwiers's medical specialty?
Dr. William Zwiers practices Certified Registered Nurse Anesthetist in Saginaw, MI.
Where does Dr. William Zwiers practice?
Dr. William Zwiers practices at 700 Cooper Ave, Saginaw, MI 486025383. Office phone: 9895836200.
What is Dr. William Zwiers's NPI?
Dr. William Zwiers's National Provider Identifier (NPI) is 1013071372, issued by NPPES.
Does Dr. William Zwiers accept Medicare assignment?
Yes. Dr. William Zwiers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.