Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Peter Mathern, MD

Individual provider Hematology & Oncology Physician · NPI 1316995699

Peter Mathern, MD is a Medical Oncology in Flagstaff, Arizona. Qualified in 1990, 36 years ago. Practices with Arizona Oncology Associates PC, a 42-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
36
Licensed in
AZ
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

77 W Forest Ave
Flagstaff, AZ 86001-1479
Phone: (928) 635-7307
Fax: (928) 774-3844
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 24332 (AZ)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 24332 (AZ)

Record details

NPI number1316995699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESMarch 9, 2026
Certification dateMarch 9, 2026
Mailing addressPo Box 749495, Atlanta, GA 30374-9495

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Arizona Oncology Associates Pc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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