Dr William Michael Marsh, MD - Medicare Family Practice in Cave Creek, AZ

Dr William Michael Marsh, MD is a medicare enrolled "General Practice" physician in Cave Creek, Arizona. He went to Baylor College Of Medicine and graduated in 1977 and has 47 years of diverse experience with area of expertise as Family Practice. His current practice location is 30012 N Cave Creek Rd Ste 105, Cave Creek, Arizona. You can reach out to his office (for appointments etc.) via phone at (480) 585-0880.

Dr William Michael Marsh is licensed to practice in Arizona (license number 13237) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1659385441.

Contact Information

Dr William Michael Marsh, MD
30012 N Cave Creek Rd Ste 105,
Cave Creek, AZ 85331-5833
(480) 585-0880
(480) 585-0882

Map and Direction




Physician's Profile

Full NameDr William Michael Marsh
GenderMale
SpecialityFamily Practice
Experience47 Years
Location30012 N Cave Creek Rd Ste 105, Cave Creek, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William Michael Marsh attended and graduated from Baylor College Of Medicine in 1977
  NPI Data:
  • NPI Number: 1659385441
  • Provider Enumeration Date: 07/28/2006
  • Last Update Date: 10/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 3870498520
  • Enrollment ID: I20031205000462

Medical Identifiers

Medical identifiers for Dr William Michael Marsh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659385441NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice 13237 (Arizona)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr William Michael Marsh allows following entities to bill medicare on his behalf.
Entity NameWilliam M Marsh Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104008705
PECOS PAC ID: 6002711736
Enrollment ID: O20031204001032

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr William Michael Marsh is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr William Michael Marsh, MD
30012 N Cave Creek Rd Ste 105,
Cave Creek, AZ 85331-5833

Ph: (480) 585-0880
Dr William Michael Marsh, MD
30012 N Cave Creek Rd Ste 105,
Cave Creek, AZ 85331-5833

Ph: (480) 585-0880

Reviews and Comments


General Practice Doctors in Cave Creek, AZ


Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.