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DR. JOHN ALDEN ZARSKE
NPI 1154595338
Clinical Neuropsychologist in Flagstaff, AZ

Active since April 17, 2008Opted out of Medicare · through Apr 1, 2028
119 E TERRACE AVE STE C, FLAGSTAFF, AZ 86001(928) 362-1220(928) 774-8405 Get Directions Write a Review

NPPES record last updated: February 26, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 26, 2019, Dec 10, 2015 (2 updates tracked since 2015).

About Dr. John Alden Zarske NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN ALDEN ZARSKE (NPI 1154595338) is an individual clinical neuropsychologist in Flagstaff, Arizona, licensed in Arizona (973) and active in the NPI registry since April 2008. He has opted out of Medicare through April 1, 2028 and remains eligible to order and refer and maintains a secondary practice location in Flagstaff.

NPPES Registry Identity

NPI1154595338
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameDR. JOHN ALDEN ZARSKE
Location Address119 E TERRACE AVE STE CFlagstaff, AZ 86001-5267
Mailing Address1830 N Beaver StFlagstaff, AZ 86001-1303 · (928) 607-8129 · Fax (928) 774-8405
Phone(928) 362-1220
Fax(928) 774-8405
Sole ProprietorYes
Enumeration DateApril 17, 2008
Last NPPES UpdateFebruary 26, 20192 updates tracked since enumeration
✔ NPI 1154595338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in AZ · 973
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
119 E TERRACE AVE STE C, Flagstaff, AZ 86001
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Secondary Practice Location 1

Location 1107 E Oak Ave, Suite 201Flagstaff, AZ 86001-1818 · Phone (928) 913-8800 · Fax (928) 913-8801

Other Identifiers 1

Medicaid730029AZ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. John Alden Zarske has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2022 through April 1, 2028.

Opt-Out Effective DateApril 1, 2022
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 John Zarske's NPI number?

The NPI number for John Zarske is 1154595338. It was assigned to this individual provider in the NPPES registry on April 17, 2008.

Where is John Zarske located?

John Zarske practices at 119 E Terrace Ave Ste C, Flagstaff, AZ 86001. The listed phone number is (928) 362-1220.

What is John Zarske's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is John Zarske enrolled in Medicare?

No. John Zarske has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for John Zarske was last updated on February 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.