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DR. WILLIAM MICHAEL MARSH M.D.
NPI 1659385441
General Practice in Cave Creek, AZ

Active since July 28, 2006PECOS Enrolled
30012 N CAVE CREEK RD STE 105, CAVE CREEK, AZ 85331(480) 585-0880(480) 585-0882 Get Directions Write a Review

NPPES record last updated: October 17, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Michael Marsh M.d. NPPES

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

DR. WILLIAM MICHAEL MARSH M.D. (NPI 1659385441) is an individual general practice provider in Cave Creek, Arizona, licensed in Arizona (13237) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659385441
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. WILLIAM MICHAEL MARSHCredential: M.D.
Location Address30012 N CAVE CREEK RD STE 105Cave Creek, AZ 85331-5833
Mailing Address30012 N Cave Creek Rd Ste 105Cave Creek, AZ 85331-5833 · (480) 585-0880 · Fax (480) 585-0882
Phone(480) 585-0880
Fax(480) 585-0882
Sole ProprietorYes
Enumeration DateJuly 28, 2006
Last NPPES UpdateOctober 17, 2018
✔ NPI 1659385441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in AZ · 13237
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
30012 N CAVE CREEK RD STE 105, Cave Creek, AZ 85331
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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 (PECOS)

Dr. William Michael Marsh 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.

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 Marsh's NPI number?

The NPI number for William Marsh is 1659385441. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is William Marsh located?

William Marsh practices at 30012 N Cave Creek Rd Ste 105, Cave Creek, AZ 85331. The listed phone number is (480) 585-0880.

What is William Marsh's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is William Marsh enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for William Marsh was last updated on October 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.