Individual provider Active NPI

John P Dennis, PH.D.

  • Clinical Psychologist
  • Washington, DC
National Provider Identifier
1033400247
Registry record updated Mar 12, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY1000747 Issued in DC
Practice address
1729 21St St NW
Washington, DC 20009-1101
Phone
(215) 806-6442
NPI assigned
Apr 21, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 12, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X PSY1000747 DC Primary

Addresses

Primary practice location

1729 21St St NW
Washington, DC 20009-1101

Mailing address

14317 Shoreham Dr
Silver Spring, MD 20905-4481
Phone (215) 806-6442

Other practice location 1

Walter Reed Army Medical Center 6900 Georgia Ave NW
Washington, DC 20307-0001
Phone (202) 782-6063

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective Jan 1, 2019 through Jan 1, 2027

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PSY1000747DCMDClinical Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Maryland Center for Evidence Based Therapy LLC Clinical CurrentSince Apr 20, 2025 Accepting new patients

Locations

5530 Wisconsin Ave
Ste 965
Chevy Chase, MD 20815
Phone (202) 642-5812

Organizations & group practices 1

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": "1303344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1552348800000",
    "number": "1033400247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14317 SHOREHAM DR",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209054481",
            "telephone_number": "215-806-6442"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1729 21ST ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200091101",
            "telephone_number": "215-806-6442"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Walter Reed Army Medical Center 6900 Georgia Ave NW",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "203070001",
            "country_code": "US",
            "telephone_number": "202-782-6063",
            "fax_number": "202-782-5007",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DENNIS",
        "first_name": "JOHN",
        "middle_name": "P",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-04-21",
        "last_updated": "2019-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "DC",
            "license": "PSY1000747",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.