Alan Tsang

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Practice address

155 N Michigan Ave Ste 201
Chicago, IL 60601-7940

Phone

(312) 340-5971

NPI assigned

Feb 19, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

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

Specialty

Mental Health Counselor

Education

Other, 2017

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Sage Therapy Chicago, PLLC

  • Professional Counselor
  • Chicago, IL
  • NPI 1376154302
  Medicare reassignment NPD
• At Counseling Collective, PLLC

  • Mental Health Counselor
  • Chicago, IL
  • NPI 1356297253
  NPD Authorized official

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

{
    "created_epoch": "1518998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1487154191",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "213 W INSTITUTE PL STE 500",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606108792",
            "telephone_number": "312-219-4781"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 N MICHIGAN AVE STE 201",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606017940",
            "telephone_number": "312-340-5971"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "213 W Institute Pl Ste 500",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606108792",
            "country_code": "US",
            "telephone_number": "312-219-4781",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSANG",
        "first_name": "ALAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-02-19",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christopher Tsakalakis, D.C.
• Maria Tsakalis, LCPC
• Christos A Tsaliagos, D.D.S.
• Allison Asako Tsambarlis, M.D.
• Peter Tsambarlis, M.D.
• Andrew W Tsang, PHARMD
• Annie C Tsang, DDS
• Darren C Tsang, MD, MPH
• Jerramy Tsang, PT, DPT
• Lai on Tsang

• Mental Health Counselor in Chicago, IL
• Providers in Chicago, IL by specialty
• Mental Health Counselor in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.