Joann K. Thacker, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

01659 Issued in MD

Practice address

11215 Oak Leaf Dr
Suite 108
Silver Spring, MD 20901-1317

Phone

(301) 593-1315

Fax

(301) 681-4699

NPI assigned

Jun 23, 2006

Last updated

Jul 13, 2026By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, MD2 enrollments

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 2

Specialty

Clinical Psychologist

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Psychogeriatric Services LLCGroup PAC ID 6002719226, 122 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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.

• Psychogeriatric Services LLC

  • Psychiatry Physician
  • Columbia, MD
  • NPI 1588689483

  DC, Psychologist

  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1151020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1205862406",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11215 OAK LEAF DR",
            "address_2": "SUITE 108",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209011317",
            "telephone_number": "301-593-1315",
            "fax_number": "301-681-4699"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11215 OAK LEAF DR",
            "address_2": "SUITE 108",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209011317",
            "telephone_number": "301-593-1315",
            "fax_number": "301-681-4699"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THACKER",
        "first_name": "JOANN",
        "middle_name": "K.",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": "01659",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Paul Salvatore Tetro, D.C.
• Raimonda Tetz
• Helen Tewolde, HHA
• Emmanuella Teyim Epse Mudoh
• TFM Enterprises, Inc. (Home Instead Senior Care #197)
• Roshni Thakore
• Swaminathan Thangaraj, D.O
• Goma Thapaliya, DNP, FNP
• Allison Tharakan, MS, CCC-SLP
• Molly Thayer

• Psychologist in Silver Spring, MD
• Providers in Silver Spring, MD by specialty
• Psychologist in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.