DR. STEPHEN ARMOND MAYER M.D.
NPI 1982678975
Internal Medicine - Hematology & Oncology in Sierra Vista, AZ
About Dr. Stephen Armond Mayer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN ARMOND MAYER M.D. (NPI 1982678975) is an individual hematology & oncology provider in Sierra Vista, Arizona, licensed in Colorado (0055236) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Yuma, and is a graduate of Boston University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Secondary Practice Location 1
Other Identifiers 2
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
Dr. Stephen Armond Mayer 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 5
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 85635 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Stephen Mayer's NPI number?
The NPI number for Stephen Mayer is 1982678975. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Stephen Mayer located?
Stephen Mayer practices at 5151 E Highway 90, Sierra Vista, AZ 85635. The listed phone number is (520) 803-6644.
What is Stephen Mayer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Stephen Mayer enrolled in Medicare?
Yes. Stephen Mayer 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 Stephen Mayer accept?
Health plans from Ambetter from Arizona Complete Health and Blue Cross Blue Shield of Arizona list Stephen Mayer 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 Stephen Mayer was last updated on July 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
