WILLIAM MARC KATZ MD
NPI 1013024140
Internal Medicine - Sleep Medicine in Wyoming, MI

Active since August 24, 2006PECOS Enrolled
2093 HEALTH DR SW, STE 200, WYOMING, MI 49519(616) 459-3158(616) 819-2222 Get Directions Write a Review

NPPES record last updated: June 22, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About William Marc Katz Md NPPES

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

WILLIAM MARC KATZ MD (NPI 1013024140) is an individual sleep medicine provider in Wyoming, Michigan, licensed in Michigan (4301044867) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013024140
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameWILLIAM MARC KATZCredential: MD
Location Address2093 HEALTH DR SW, STE 200Wyoming, MI 49519
Mailing Address1900 Wealthy St Se, Ste 150Grand Rapids, MI 49506-2969 · (616) 459-3158 · Fax (616) 459-4714
Fax(616) 819-2222
Sole ProprietorNo
Enumeration DateAugust 24, 2006
Last NPPES UpdateJune 22, 2010
NPI 1013024140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License Licensed in MI · 4301044867
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 4301044867 (MI)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 4301044867 (MI)
2093 HEALTH DR SW, Wyoming, MI 49519

Other Identifiers 5

Medicare UPINA76868
Other38-2145264Irs Tax Id# Thru Corp
Medicare PIN0D16122006MI
Other1104106031MI · Bcbs Of Michigan
Medicaid1896734MI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

William Marc Katz Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49519 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
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
9 suppliers66 claims66 services$37.58 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
9 suppliers45 claims45 services$94.14 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
7 suppliers44 claims126 services$34.92 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
5 suppliers32 claims178 services$20.09 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
5 suppliers13 claims71 services$16.14 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
7 suppliers46 claims46 services$58.43 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Psychiatry & Neurology (Psychiatry)
2093 HEALTH DR SW
WYOMING, MI 49519
Family Medicine
2093 HEALTH DR SW, STE 200
WYOMING, MI 49519
Nurse Practitioner (Acute Care)
2093 HEALTH DR SW
WYOMING, MI 49519
Internal Medicine (Pulmonary Disease)
2093 HEALTH DR SW, #301
WYOMING, MI 49519
Family Medicine
2093 HEALTH DR SW, STE 200
WYOMING, MI 49519
Psychiatry & Neurology (Sleep Medicine)
2093 HEALTH DR SW
WYOMING, MI 49519
Nurse Practitioner (Family)
2093 HEALTH DR SW
WYOMING, MI 49519
Internal Medicine
2093 HEALTH DR SW, STE 200
WYOMING, MI 49519

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 Katz's NPI number?

The NPI number for William Katz is 1013024140. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is William Katz located?

William Katz practices at 2093 Health Dr SW Ste 200, Wyoming, MI 49519. The listed phone number is (616) 459-3158.

What is William Katz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is William Katz enrolled in Medicare?

Yes. William Katz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Katz was last updated on June 22, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.