Individual provider Active NPI

Marissa Leah Penn, LCSW

  • Clinical Social Worker
  • Knoxville, TN
National Provider Identifier
1487133732
Registry record updated Oct 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
9171 Issued in TN
Practice address
11840 Kingston Pike Ste B
Knoxville, TN 37934-3861
Phone
(865) 588-3173
Fax
(865) 588-3174
NPI assigned
Aug 8, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 103216-1 NY
Clinical Social Worker 1041C0700X 9171 TN Primary

Addresses

Primary practice location

11840 Kingston Pike Ste B
Knoxville, TN 37934-3861

Mailing address

11840 Kingston Pike Ste B
Knoxville, TN 37934-3861
Phone (865) 588-3173

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
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
I20250606003020 TN Practitioner - Clinical Social Worker 8123538345 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Healthy Mind Counseling Services, IncGroup PAC ID 8325093081, 120 clinicians

Practice addresses (Care Compare)

6305 Lonas Dr
Suite 101
Knoxville, TN 37909-3203
Phone (865) 588-3173

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
103216-1NYMDSocial Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Healthy Mind Counseling Services, Inc Clinical CurrentSince May 5, 2025 Accepting new patients
Bleuler Psychotherapy Center, Inc. PastSince Mar 10, 1999 Accepting new patients

Locations

4800 N Scottsdale Rd
Ste 2500
Scottsdale, AZ 85251
Phone (253) 346-0392

6305 Lonas Dr
Ste 101
Knoxville, TN 37909
Phone (865) 584-0291

11840 Kingston Pike
Ste B
Knoxville, TN 37934

Interoperability endpoints

  • FHIR API: https://api.qualifacts.org/api/fhir/bleulerpc/r4/

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": "1533686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1487133732",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11840 KINGSTON PIKE STE B",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379343861",
            "telephone_number": "865-588-3173",
            "fax_number": "865-588-3174"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11840 KINGSTON PIKE STE B",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379343861",
            "telephone_number": "865-588-3173",
            "fax_number": "865-588-3174"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PENN",
        "first_name": "MARISSA",
        "middle_name": "LEAH",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-08-08",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NY",
            "license": "103216-1",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "TN",
            "license": "9171",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Knoxville, TN

Sources for this page

Verify at the official NPI Registry.