Active NPI
Colleen Alice Conley, M.D.
- Psychiatry Physician
- Chevy Chase, MD
National Provider Identifier
1154522514
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- D35255
- Practice address
- 5480 Wisconsin Ave
#229
Chevy Chase, MD 20815-3530 - Phone
- (301) 913-9899
- Fax
- (301) 923-9283
- NPI assigned
- May 31, 2007
- Last updated
- Sep 11, 2025
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | D35255 | MD | Primary |
| Child & Adolescent Psychiatry Physician | 2084P0804X | D35255 | MD |
Addresses
Primary practice location
5480 Wisconsin Ave
#229
Chevy Chase, MD 20815-3530
Mailing address
5480 Wisconsin Ave
#229
Chevy Chase, MD 20815-3530
Phone (301) 913-9899
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Sep 27, 2021 through Sep 27, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D35255 | MD | MD | Child & Adolescent Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1180569600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1154522514",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5480 WISCONSIN AVE",
"address_2": "#229",
"city": "CHEVY CHASE",
"state": "MD",
"postal_code": "208153530",
"telephone_number": "301-913-9899",
"fax_number": "301-923-9283"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5480 WISCONSIN AVE",
"address_2": "#229",
"city": "CHEVY CHASE",
"state": "MD",
"postal_code": "208153530",
"telephone_number": "301-913-9899",
"fax_number": "301-923-9283"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CONLEY",
"first_name": "COLLEEN",
"middle_name": "ALICE",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-05-31",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MD",
"license": "D35255",
"primary": true
},
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "MD",
"license": "D35255",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chevy Chase, MD
- Jennifer Anette Colvin Hadraoui, LMSW
- Comprehensive Primary Care and Associates, LLC
- Joanne Patricia Comstock, PHD
- Richard H. Conant, M.D.
- Stacey R Confort, M.S. CCC-SLP
- Connecticut Ave Health and Wellness Center
- Marc Donald Connell, M.D.
- Contemporary Family Medicine
- Jean Cooper
- William Hurlbert Cooper Jr., MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.