NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marek Z Piatek, MD

Cardiovascular Disease Physician in Prescott, AZ · enumerated 2005 · practices at Yavapai Regional Medical Center Physician Care LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164426060

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Marek Z Piatek
Credential MD
Sex Male
Practice address 1001 Willow Creek Rd Ste 2200, Prescott, AZ, 86301
Phone (928) 445-6025
Fax (928) 778-3026
Enumeration date Jun 8, 2005
Last updated in NPPES Mar 24, 2025

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 41175 (AZ) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
41175 Other AZ MEDICAL LICENSE
092621 Medicaid AZ -
34851526 Medicaid NM -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Marek Piatek?
The National Provider Identifier (NPI) for Marek Piatek is 1164426060, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marek Piatek practice?
The practice location on file with NPPES is in Prescott, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-24.