PETER MATHERN M.D.
NPI 1316995699
Internal Medicine - Medical Oncology in Flagstaff, AZ
About Peter Mathern M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER MATHERN M.D. (NPI 1316995699) is an individual medical oncology provider in Flagstaff, Arizona, licensed in Arizona (24332) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 2
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Peter Mathern M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 35
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 86001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
FLAGSTAFF, AZ 86001
FLAGSTAFF, AZ 86001
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 Peter Mathern's NPI number?
The NPI number for Peter Mathern is 1316995699. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Peter Mathern located?
Peter Mathern practices at 77 W Forest Ave, Flagstaff, AZ 86001. The listed phone number is (928) 635-7307.
What is Peter Mathern's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Peter Mathern enrolled in Medicare?
Yes. Peter Mathern is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Peter Mathern accept?
Health plans from Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and UnitedHealthcare list Peter Mathern as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Peter Mathern was last updated on March 9, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.