DR. KARAMBIR SINGH KHALSA
NPI 1669008868
Psychologist - Clinical in Flagstaff, AZ

NPI Status: Active since March 19, 2020

Contact Information

1120 W UNIVERSITY AVE STE 200
FLAGSTAFF, AZ
ZIP 86001
Phone: (928) 985-8550

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  • Individual
  • Male
  • Psychologist
  • Clinical
  • Accepts Insurance

About KARAMBIR KHALSA

This page provides the complete NPI Profile along with additional information for Karambir Khalsa, a provider established in Flagstaff, Arizona with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1669008868 assigned on March 2020. The practitioner's primary taxonomy code is 103TC0700X with license number PSY-005603 (AZ). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1669008868
Provider Name
DR. KARAMBIR SINGH KHALSA
Other Name
MR. WILLIAM STANLEY MUELLER
Other Name Type
Former Name (1)
Gender
Male
Entity Type
Individual
Location Address
1120 W UNIVERSITY AVE STE 200 FLAGSTAFF, AZ 86001
Location Phone
(928) 985-8550
Mailing Address
2700 S WOODLANDS VILLAGE BLVD STE 300 PMB 295 FLAGSTAFF, AZ 86001
Mailing Phone
(928) 235-4690
Is Sole Proprietor?
Yes
Enumeration Date
03-19-2020
Last Update Date
05-17-2026
Code Navigator

A clinical psychologist like Karambir Khalsa assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

Location Map

Secondary Locations

  • 1486 East Innovation Park Drive STE 100
    Oro Valley, AZ 85755
    (928) 235-4690

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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PSY-005603
License State
AZ
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

NLC.0107000 (CO)

Insurance Plans Accepted

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

  • Blue Advantage Bronze HMO? 204 - HMO
  • Blue Advantage Bronze HMO? 301 - HMO
  • Blue Advantage Bronze HMO? Standard - HMO
  • Blue Advantage Gold HMO? 206 - HMO
  • Blue Advantage Gold HMO? 603 - HMO
  • Blue Advantage Gold HMO? Standard - HMO
  • Blue Advantage Plus Bronze? 303 - POS
  • Blue Advantage Plus Bronze? 305 - POS
  • Blue Advantage Plus Bronze? Standard - POS
  • Blue Advantage Plus Gold? 203 - POS
  • Blue Advantage Plus Gold? 803 - POS
  • Blue Advantage Plus Gold? Standard - POS
  • Blue Advantage Plus Silver? 202 - POS
  • Blue Advantage Plus Silver? 605 - POS
  • Blue Advantage Plus Silver? Standard - POS
  • Blue Advantage Security HMO? 200 - HMO
  • Blue Advantage Silver HMO? 205 - HMO
  • Blue Advantage Silver HMO? 801 - HMO
  • Blue Advantage Silver HMO? Standard - HMO
  • MyBlue Health Bronze? 402 - HMO
  • AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) - HMO
  • AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) - HMO
  • AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) - HMO
  • AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) - HMO
  • AZ Blue Portfolio Bronze HSA Focus - HMO
  • AZ Blue Portfolio Bronze HSA Neighborhood - HMO
  • AZ Blue StandardHealth Bronze Focus - HMO
  • AZ Blue StandardHealth Bronze Neighborhood - HMO
  • AZ Blue StandardHealth Gold Focus - HMO
  • AZ Blue StandardHealth Gold Neighborhood - HMO
  • AZ Blue StandardHealth Silver Focus - HMO
  • AZ Blue StandardHealth Silver Neighborhood - HMO
  • Bronze Classic Standard - HMO
  • Bronze Elite + PCP Saver Plus - HMO
  • Bronze Simple - HMO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - HMO
  • Bronze Simple Chronic Care CKM - HMO
  • Buena Salud Bronce Simple Para Diabetes - HMO
  • Gold Classic - HMO
  • Gold Classic Standard - HMO
  • Gold Simple - HMO
  • Gold Simple Diabetes - HMO
  • Silver Classic Standard - HMO
  • Silver Elite Saver Plus - HMO
  • Silver Simple Chronic Care CKM - HMO
  • Silver Simple Diabetes - HMO
  • Silver Simple PCP Saver - HMO
  • Silver Simple Specialist Saver with COPD - HMO
  • Silver Simple Women's Health with Menopause Benefits - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Bronze Essential ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard+ (Dental + Vision) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Gold Standard - HMO
  • UHC Silver Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) - HMO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Silver Standard - HMO

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

Reviews for DR. KARAMBIR SINGH KHALSA

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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 1669008868, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 0 → 0 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 0 + 0 + 1 + 6 + 8 + 1 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1669008868.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Behavior Analyst
1120 W UNIVERSITY AVE STE 200
FLAGSTAFF, AZ 86001
Social Worker (Clinical)
1120 W UNIVERSITY AVE STE 200
FLAGSTAFF, AZ 86001
Peer Specialist
1120 W UNIVERSITY AVE STE 200
FLAGSTAFF, AZ 86001
Psychologist (Clinical)
1120 W UNIVERSITY AVE STE 200
FLAGSTAFF, AZ 86001
Behavior Analyst
1120 W UNIVERSITY AVE STE 200
FLAGSTAFF, AZ 86001

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669008868, enumerated as an "individual" on March 19, 2020.

The provider is located at 1120 W UNIVERSITY AVE STE 200 FLAGSTAFF, AZ 86001 and the phone number is (928) 985-8550.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas, Blue Cross. Please consult your insurance carrier or call the provider to verify.