Sage Alston

Primary specialty

Professional CounselorTaxonomy code 101YP2500X

License

7825 Issued in WI

Practice address

220 Washington Ave
Oshkosh, WI 54901-5030

Phone

(920) 236-4700

NPI assigned

Sep 17, 2018

Last updated

Nov 19, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Sage S Stiebs-Mathewson Former name

Medicare fee-for-service enrollment

Enrolled in WI

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

Medicare enrollment (NPD)

Enrolled

State licenses

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• County of Winnebago

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Oshkosh, WI
  • NPI 1508960675
  Medicare reassignment NPD
• Winnebago County

  • Public Health or Welfare Agency
  • Winnebago, WI
  • NPI 1154318657
  NPD
• Nova Counseling Services Inc.

  • Substance Abuse Rehabilitation Facility
  • Oshkosh, WI
  • NPI 1386789535
  NPD (past)

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

{
    "created_epoch": "1537142400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1366926362",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "220 WASHINGTON AVE",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549015030",
            "telephone_number": "920-236-4700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 WASHINGTON AVE",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549015030",
            "telephone_number": "920-236-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALSTON",
        "first_name": "SAGE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-09-17",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WI",
            "license": "18471",
            "primary": false
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "WI",
            "license": "7825",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SAGE",
            "last_name": "STIEBS-MATHEWSON",
            "middle_name": "S",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Renee D Allen, M.S., CCC-SLP
• Taylor Allen
• Alliance Trauma Recovery & Healing Center LLC
• Peter Allington, B.A.
• Hussein Alramini, M.D.
• Thomas S Altepeter, PH.D.
• Peter Altschwager
• Ammar Alzoubi, MD
• Abby Amacher, BCBA
• Brittany L Aman, CRNA

• Professional Counselor in Oshkosh, WI
• Providers in Oshkosh, WI by specialty
• Professional Counselor in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.