MRS. CHRISTINE RICHELLE GUZZARDO PH.D.
NPI 1144212457
Clinical Neuropsychologist in Spokane, WA

NPI Status: Active since August 22, 2005

Contact Information

421 W RIVERSIDE AVE
SUITE 304
SPOKANE, WA
ZIP 99201
Phone: (509) 456-3600
Fax: (509) 747-4420

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  • Individual
  • Female
  • Clinical Neuropsychologist
  • Opted-Out Medicare

About CHRISTINE GUZZARDO

This page provides the complete NPI Profile along with additional information for Christine Guzzardo, a provider established in Spokane, Washington with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1144212457 assigned on August 2005. The practitioner's primary taxonomy code is 103G00000X with license number PY00002557 (WA). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1144212457
Provider Name
MRS. CHRISTINE RICHELLE GUZZARDO PH.D.
Gender
Female
Entity Type
Individual
Location Address
421 W RIVERSIDE AVE SUITE 304 SPOKANE, WA 99201
Location Phone
(509) 456-3600
Location Fax
(509) 747-4420
Mailing Address
421 W RIVERSIDE AVE SUITE 304 SPOKANE, WA 99201
Mailing Phone
(509) 456-3600
Mailing Fax
(509) 747-4420
Is Sole Proprietor?
No
Enumeration Date
08-22-2005
Last Update Date
08-18-2008
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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. Christine Guzzardo opted out of Medicare effective on 01-01-2026 until 01-01-2028. 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 and cannot order and refer services to other healthcare providers.

Location Map

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.
PY00002557
License State
WA
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
8857391MEDICARE PIN (08)WA 

Medicare Participation & PECOS Enrollment Status

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.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 01-01-2026

  • Opt-Out End Date: 01-01-2028

  • Eligible to Order and Refer? No

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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 1144212457, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 4 + 1 + 4 + 4 + 1 + 0 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1144212457.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Dentist (General Practice)
421 W RIVERSIDE AVE, SUITE 810
SPOKANE, WA 99201
Ophthalmology
421 W RIVERSIDE AVE, #280
SPOKANE, WA 99201
Counselor (Mental Health)
421 W RIVERSIDE AVE, SUITE 710
SPOKANE, WA 99201
Audiologist-Hearing Aid Fitter
421 W RIVERSIDE AVE, SUITE 304
SPOKANE, WA 99201
Psychologist (Clinical)
421 W RIVERSIDE AVE, STE. 310
SPOKANE, WA 99201
Massage Therapist
421 W RIVERSIDE AVE, SUITE 614
SPOKANE, WA 99201
Physical Medicine & Rehabilitation (Pain Medicine)
421 W RIVERSIDE AVE, STE#760
SPOKANE, WA 99201
Specialist
421 W RIVERSIDE AVE, #614
SPOKANE, WA 99201
Eyewear Supplier
421 W RIVERSIDE AVE, SUITE 102
SPOKANE, WA 99201
Physician Assistant
421 W RIVERSIDE AVE, SUITE 900
SPOKANE, WA 99201
Chiropractor
421 W RIVERSIDE AVE, SUITE 711
SPOKANE, WA 99201
Psychologist (Clinical)
421 W RIVERSIDE AVE, STE 972
SPOKANE, WA 99201
Pain Medicine (Interventional Pain Medicine)
421 W RIVERSIDE AVE, SUITE 900
SPOKANE, WA 99201
Counselor (Mental Health)
421 W RIVERSIDE AVE
SPOKANE, WA 99201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144212457, enumerated as an "individual" on August 22, 2005.

The provider is located at 421 W RIVERSIDE AVE SUITE 304 SPOKANE, WA 99201 and the phone number is (509) 456-3600.

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.