Active NPI
Markera Jones, PHD
- Clinical Psychologist
- Washington, DC
National Provider Identifier
1275214611
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- PSY200001744
- Practice address
- 4400 Massachusetts Ave NW
Washington, DC 20016-8002 - Phone
- (484) 723-9747
- NPI assigned
- Jul 28, 2023
- 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 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 07308 | MD | |
| Counseling Psychologist | 103TC1900X | |||
| Clinical Psychologist | 103TC0700X | PSY200001744 | DC | Primary |
| Health Psychologist | 103TH0004X | |||
| Group Psychotherapy Psychologist | 103TP2701X |
Addresses
Primary practice location
4400 Massachusetts Ave NW
Washington, DC 20016-8002
Mailing address
4400 Massachusetts Avenue NW
Mary Graydon Student Center, 206
Washington, DC 20016-8150
Phone (484) 723-9747
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
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PSY200001744 | DC | MD | Clinical Psychologist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Harmony Holistic LLC | Clinical | Past | Accepting new patients |
| Venus & Mars Psychotherapy, L.L.C. | Past | 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 and National Provider Directory roles.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Rockville, MD
- NPI 1245853282
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1690502400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759968000000",
"number": "1275214611",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4400 MASSACHUSETTS AVENUE NW",
"address_2": "MARY GRAYDON STUDENT CENTER, 206",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200168150",
"telephone_number": "484-723-9747"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4400 MASSACHUSETTS AVE NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200168002",
"telephone_number": "484-723-9747"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JONES",
"first_name": "MARKERA",
"name_prefix": "Dr.",
"credential": "PHD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2023-07-28",
"last_updated": "2025-10-09",
"certification_date": "2025-10-09",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "MD",
"license": "07308",
"primary": false
},
{
"code": "103TC1900X",
"taxonomy_group": "",
"desc": "Psychologist, Counseling",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "DC",
"license": "PSY200001744",
"primary": true
},
{
"code": "103TH0004X",
"taxonomy_group": "",
"desc": "Psychologist, Health",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TP2701X",
"taxonomy_group": "",
"desc": "Psychologist, Group Psychotherapy",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.