FREDERICK GANZI M.D
NPI 1639105646
Anesthesiology in Holland, MI

Q: What is Frederick Ganzi's NPI number?

The NPI number for Frederick Ganzi is 1639105646. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Q: What is Frederick Ganzi's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Frederick Ganzi was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since June 23, 2006PECOS Enrolled

602 MICHIGAN AVE, HOLLAND, MI 49423(616) 392-5141 Get Directions Write a Review

NPPES record last updated: August 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 18, 2023, Mar 1, 2017 (2 updates tracked since 2017).

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About Frederick Ganzi M.d NPPES

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

FREDERICK GANZI M.D (NPI 1639105646) is an individual anesthesiology provider in Holland, Michigan, licensed in Michigan (4301071833) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1639105646

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameFREDERICK GANZICredential: M.D

Location Address602 MICHIGAN AVEHolland, MI 49423-4918

Mailing Address255 W Michigan AveJackson, MI 49201-2218 · (517) 787-6440 · Fax (517) 787-4146

Phone(616) 392-5141

Sole ProprietorNo

Enumeration DateJune 23, 2006

Last NPPES UpdateAugust 18, 20232 updates tracked since enumeration

NPPES CertifiedAugust 7, 2023

✔ NPI 1639105646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in MI · 4301071833

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

602 MICHIGAN AVE, Holland, MI 49423

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Secondary Practice Locations 2

Location 13333 Evergreen Dr NEGrand Rapids, MI 49525-9493 · Phone (616) 364-4200 · Fax (616) 364-7347

Location 21840 Wealthy St SEGrand Rapids, MI 49506-2921 · Phone (616) 364-4200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frederick Ganzi M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Frederick Ganzi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Macatawa Anesthesia PC

0.1 mi

Anesthesiology

602 MICHIGAN AVE
Holland, MI 49423

Reassigned Medicare billing, Michigan enrollment
18 clinicians in this Medicare group

NPI 1942242136 (616) 392-5141

Saint Mary's Health Services

26 mi

Anesthesiology

200 JEFFERSON AVE SE
Grand Rapids, MI 49503

Reassigned Medicare billing, Michigan enrollment
199 clinicians in this Medicare group

NPI 1124063078 (616) 732-8956

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

27 services27 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

12 services12 patients

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.

SUSAN BUIST LMSW

Social Worker (Clinical)