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WILLIAM J ZWIERS CRNA
NPI 1013071372
Nurse Anesthetist, Certified Registered in Saginaw, MI

Active since December 21, 2006Accepts Medicare Assignment
89.01/100
CMS Quality Rating
700 COOPER AVE, SAGINAW, MI 48602(989) 583-6200 Get Directions Write a Review

NPPES record last updated: February 5, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William J Zwiers Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM J ZWIERS CRNA (NPI 1013071372) is an individual nurse anesthetist, certified registered in Saginaw, Michigan, licensed in Michigan (4704221301) and active in the NPI registry since December 2006. He is affiliated with Trinity Health Muskegon Hospital and is a graduate of Other (2004).

NPPES Registry Identity

NPI1013071372
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameWILLIAM J ZWIERSCredential: CRNA
Location Address700 COOPER AVESaginaw, MI 48602-5383
Mailing Address11120 Thornberry DrFreeland, MI 48623-8528 · (989) 573-1658
Phone(989) 583-6200
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateDecember 21, 2006
Last NPPES UpdateFebruary 5, 2010
✔ NPI 1013071372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MI · 4704221301
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
700 COOPER AVE, Saginaw, MI 48602
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William J Zwiers Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496705345
PECOS Enrollment IDI20050510001128

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
284 services175 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
20 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Trinity Health Muskegon Hospital

Acute Care Hospitals · Muskegon, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230066
Location1500 E Sherman BlvdMuskegon, MI 49441 · Muskegon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.05
Improvement Activities20
Cost74.56

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MIKAYLA HOLLI BIERSCHBACH
Student in an Organized Health Care Education/Training Program
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6595
ELSA VARUGHESE
Student in an Organized Health Care Education/Training Program
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6595
NICHOLAS MATTHEW MURPHY DPT
Physical Therapist
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-7000
PAULINE DO
Student in an Organized Health Care Education/Training Program
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-0000
LYNN ANN BARNHART CRNA
Nurse Anesthetist, Certified Registered
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 258-1003
MRS. TRARI BOWDISH CRNA
Nurse Anesthetist, Certified Registered
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-0000
RILEY JANE O'KEEFE
Student in an Organized Health Care Education/Training Program
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-0000
DR. JEFFREY SCOTT SMITH DO
Anesthesiology
700 COOPER AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Zwiers's NPI number?

The NPI number for William Zwiers is 1013071372. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Where is William Zwiers located?

William Zwiers practices at 700 Cooper Ave, Saginaw, MI 48602. The listed phone number is (989) 583-6200.

What is William Zwiers's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is William Zwiers enrolled in Medicare?

Yes. William Zwiers is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is William Zwiers affiliated with any hospitals?

According to CMS data, William Zwiers is affiliated with Trinity Health Muskegon Hospital.

When was this NPI record last updated?

The NPPES record for William Zwiers was last updated on February 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.