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

NPI Status: Active since April 17, 2008

Contact Information

119 E TERRACE AVE STE C
FLAGSTAFF, AZ
ZIP 86001
Phone: (928) 362-1220
Fax: (928) 774-8405

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  • Individual
  • Male
  • Clinical Neuropsychologist
  • PECOS Enrolled
  • Opted-Out Medicare

About JOHN ZARSKE

This page provides the complete NPI Profile along with additional information for John Zarske, a provider established in Flagstaff, Arizona with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1154595338 assigned on April 2008. The practitioner's primary taxonomy code is 103G00000X with license number 973 (AZ). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1154595338
Provider Name
DR. JOHN ALDEN ZARSKE
Gender
Male
Entity Type
Individual
Location Address
119 E TERRACE AVE STE C FLAGSTAFF, AZ 86001
Location Phone
(928) 362-1220
Location Fax
(928) 774-8405
Mailing Address
1830 N BEAVER ST FLAGSTAFF, AZ 86001
Mailing Phone
(928) 607-8129
Mailing Fax
(928) 774-8405
Is Sole Proprietor?
Yes
Enumeration Date
04-17-2008
Last Update Date
02-26-2019
Code Navigator



The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. John Zarske opted out of Medicare effective on 04-01-2022 until 04-01-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

Location Map

Secondary Locations

  • 107 E Oak Ave Suite 201
    Flagstaff, AZ 86001
    (928) 913-8800

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
973
License State
AZ
Taxonomy Description
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
730029MEDICAID (05)AZ 

Medicare Participation & PECOS Enrollment Status

John Zarske is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 04-01-2022

  • Opt-Out End Date: 04-01-2026

  • Eligible to Order and Refer? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1154595338, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 5 → 10 → 1 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 0 + 4 + 1 + 0 + 9 + 1 + 0 + 3 + 6 + 24 = 52

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1154595338.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154595338, enumerated as an "individual" on April 17, 2008.

The provider is located at 119 E TERRACE AVE STE C FLAGSTAFF, AZ 86001 and the phone number is (928) 362-1220.

Clinical Neuropsychologist with taxonomy code 103G00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.