Individual provider Active NPI

Monica Susan Tiffany

  • Mental Health Counselor
  • Sheridan, WY
National Provider Identifier
1861344418
Registry record updated Feb 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
PPC-1600 Issued in WY
Practice address
909 Long Dr Ste a
Sheridan, WY 82801-3282
Phone
(307) 675-1805
Fax
(307) 675-1809
NPI assigned
Feb 13, 2026
Last updated
Feb 15, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X PPC-1600 WY Primary

Addresses

Primary practice location

909 Long Dr Ste a
Sheridan, WY 82801-3282

Mailing address

PO Box 1035
Sheridan, WY 82801-1035
Phone (307) 675-1805

Other names 1

  • Monica Susan Fowlkes Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
PPC-1600WYMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Lisa McDuffie Psychiatry LLC PastSince Mar 20, 2022 Accepting new patients
Big Horn Psychological Services LC PastSince Sep 15, 2021 Accepting new patients

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

NPI Registry JSON

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

{
    "created_epoch": "1770940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771113600000",
    "number": "1861344418",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1035",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828011035",
            "telephone_number": "307-675-1805",
            "fax_number": "307-675-1809"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "909 LONG DR STE A",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828013282",
            "telephone_number": "307-675-1805",
            "fax_number": "307-675-1809"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIFFANY",
        "first_name": "MONICA",
        "middle_name": "SUSAN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-13",
        "last_updated": "2026-02-15",
        "certification_date": "2026-02-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WY",
            "license": "PPC-1600",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MONICA",
            "last_name": "FOWLKES",
            "middle_name": "SUSAN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Sheridan, WY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.