Active NPI
Mary Darlene Hill, PH.D.
- Group Psychotherapy Psychologist
- Bel Air, MD
National Provider Identifier
1164574984
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Group Psychotherapy Psychologist
- License
- 3724
- Practice address
- 115 Fulford Ave
Bel Air, MD 21014-3851 - Phone
- (410) 893-3082
- NPI assigned
- Jan 18, 2007
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 3724 | MD | |
| Psychologist | 103T00000X | 3724 | MD | |
| Clinical Child & Adolescent Psychologist | 103TC2200X | 3724 | MD | |
| Group Psychotherapy Psychologist | 103TP2701X | 3724 | MD | Primary |
Addresses
Primary practice location
115 Fulford Ave
Bel Air, MD 21014-3851
Mailing address
10722 Cordage Walk
Columbia, MD 21044-3641
Phone (410) 992-9468
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| J206-0001 | Other | MD | CAREFIRST |
| 156AHU | Other | MD | CAREFIRST |
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
- Opted out of Medicare
- Yes, effective Jul 1, 2016 through Jul 1, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3724 | MD | MD | Group Psychotherapy Psychologist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Humanim Inc | Past | Accepting new patients | |
| Humanim Targeted Case Management | Past | Accepting new patients | |
| Humanim Supported Employment MC | Past | Accepting new patients | |
| Humanim Supported Employment Aa | Past | Accepting new patients | |
| Human Development Center | Past | Accepting new patients | |
| Humanim Inc | Past | Accepting new patients | |
| Humanim-Workfirst | Past | Accepting new patients | |
| Humanim Inc | Past | Accepting new patients | |
| Humanim Supported Employment HC | Past | Accepting new patients | |
| Humanim Supported Employment HC | Past | Accepting new patients | |
| Humanim TBS | Past | Accepting new patients | |
| Humanim Inc | Past | Accepting new patients |
Organizations & group practices 12
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)
- Bel Air, MD
- NPI 1750561148
-
- Respite Care
- Columbia, MD
- NPI 1134343627
-
- Case Management Agency
- Odenton, MD
- NPI 1346606365
-
- Mental Illness Community Based Residential Treatment Facility
- Columbia, MD
- NPI 1467676932
-
- Physical Disabilities Residential Treatment Facility
- Columbia, MD
- NPI 1871717264
-
- Community/Behavioral Health Agency
- Odenton, MD
- NPI 1649819830
-
- Case Management Agency
- Columbia, MD
- NPI 1386002749
-
- Community/Behavioral Health Agency
- Columbia, MD
- NPI 1467091652
-
- Community/Behavioral Health Agency
- Rockville, MD
- NPI 1164201497
-
- Case Management Agency
- Columbia, MD
- NPI 1104272087
-
- Community/Behavioral Health Agency
- Columbia, MD
- NPI 1275117061
-
- Developmentally Disabled Services Day Training Agency
- Baltimore, MD
- NPI 1750570297
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1169078400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1164574984",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "10722 CORDAGE WALK",
"city": "COLUMBIA",
"state": "MD",
"postal_code": "210443641",
"telephone_number": "410-992-9468"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "115 FULFORD AVE",
"city": "BEL AIR",
"state": "MD",
"postal_code": "210143851",
"telephone_number": "410-893-3082"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HILL",
"first_name": "MARY",
"middle_name": "DARLENE",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2007-01-18",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "MD",
"license": "3724",
"primary": false
},
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "MD",
"license": "3724",
"primary": false
},
{
"code": "103TC2200X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical Child & Adolescent",
"state": "MD",
"license": "3724",
"primary": false
},
{
"code": "103TP2701X",
"taxonomy_group": "",
"desc": "Psychologist, Group Psychotherapy",
"state": "MD",
"license": "3724",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CAREFIRST",
"identifier": "J206-0001",
"state": "MD"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CAREFIRST",
"identifier": "156AHU",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Bel Air, 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; Order and Referring; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.