Individual provider Active NPI

Karambir Singh Khalsa

  • Clinical Psychologist
  • Flagstaff, AZ
National Provider Identifier
1669008868
Registry record updated May 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY-005603 Issued in AZ
Practice address
1120 W University Ave Ste 200
Flagstaff, AZ 86001-2879
Phone
(928) 985-8550
NPI assigned
Mar 19, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 17, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X PSY-005603 AZ Primary
Clinical Psychologist 103TC0700X NLC.0107000 CO

Addresses

Primary practice location

1120 W University Ave Ste 200
Flagstaff, AZ 86001-2879

Mailing address

2700 S Woodlands Village Blvd
Ste 300 PMB 295
Flagstaff, AZ 86001
Phone (928) 235-4690

Other practice location 1

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

Other names 1

  • Mr. William Stanley Mueller Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260616002690 AZ Practitioner - Clinical Psychologist 1254803760 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2700 S Woodlands Village Blvd
Suite 300 PMB 295
Flagstaff, AZ 86001-7199

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
PSY-005603AZMDClinical Psychologist
NLC.0107000COMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Khalsa Psychology PLLC Clinical CurrentSince Oct 1, 2023 Accepting new patients

Locations

1120 W University Ave
Ste 200
Flagstaff, AZ 86001
Phone (305) 915-2552

2700 S Woodlands Village Blvd
Ste 300
Flagstaff, AZ 86001
Phone (928) 228-0942

709 N Humphreys St
Flagstaff, AZ 86001
Phone (928) 228-5463

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1584576000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778976000000",
    "number": "1669008868",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2700 S WOODLANDS VILLAGE BLVD",
            "address_2": "STE 300 PMB 295",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "86001",
            "telephone_number": "928-235-4690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 W UNIVERSITY AVE STE 200",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860012879",
            "telephone_number": "928-985-8550"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1486 East Innovation Park Drive",
            "address_2": "STE 100",
            "address_purpose": "LOCATION",
            "city": "Oro Valley",
            "state": "AZ",
            "postal_code": "85755",
            "country_code": "US",
            "telephone_number": "928-235-4690",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KHALSA",
        "first_name": "KARAMBIR",
        "middle_name": "SINGH",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-03-19",
        "last_updated": "2026-05-17",
        "certification_date": "2026-05-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "AZ",
            "license": "PSY-005603",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CO",
            "license": "NLC.0107000",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "WILLIAM",
            "last_name": "MUELLER",
            "middle_name": "STANLEY",
            "prefix": "MR.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Flagstaff, AZ

Sources for this page

Verify at the official NPI Registry.