Active NPI
John C Rhead, PH.D.
- Psychologist
- Columbia, MD
National Provider Identifier
1811039068
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 651
- Practice address
- 5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601 - Phone
- (410) 997-5060
- NPI assigned
- Feb 13, 2007
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 8
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychologist | 103T00000X | 651 | MD | Primary |
| Addiction (Substance Use Disorder) Psychologist | 103TA0400X | |||
| Adult Development & Aging Psychologist | 103TA0700X | |||
| Cognitive & Behavioral Psychologist | 103TB0200X | |||
| Clinical Psychologist | 103TC0700X | 651 | MD | |
| Clinical Child & Adolescent Psychologist | 103TC2200X | |||
| Family Psychologist | 103TF0000X | |||
| Group Psychotherapy Psychologist | 103TP2701X |
Addresses
Primary practice location
5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601
Mailing address
5560 Sterrett PL
Suite 205
Columbia, MD 21044-2601
Phone (410) 997-5060
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 12522 | Other | NATIONAL REGISTER |
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 Jun 27, 2013 through Jun 27, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 651 | MD | MD | Psychologist |
| 00651 | MD | MD | Speech-Language Pathologist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| John C. Rhead, PH.D., P.a. | Psychologist | Past | Accepting new patients |
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.
-
- Psychologist
- Columbia, MD
- NPI 1386786549
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1171324800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1811039068",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5560 STERRETT PL",
"address_2": "SUITE 205",
"city": "COLUMBIA",
"state": "MD",
"postal_code": "210442601",
"telephone_number": "410-997-5060"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5560 STERRETT PL",
"address_2": "SUITE 205",
"city": "COLUMBIA",
"state": "MD",
"postal_code": "210442601",
"telephone_number": "410-997-5060"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RHEAD",
"first_name": "JOHN",
"middle_name": "C",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-02-13",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "MD",
"license": "651",
"primary": true
},
{
"code": "103TA0400X",
"taxonomy_group": "",
"desc": "Psychologist, Addiction (Substance Use Disorder)",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TA0700X",
"taxonomy_group": "",
"desc": "Psychologist, Adult Development & Aging",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TB0200X",
"taxonomy_group": "",
"desc": "Psychologist, Cognitive & Behavioral",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "MD",
"license": "651",
"primary": false
},
{
"code": "103TC2200X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical Child & Adolescent",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TF0000X",
"taxonomy_group": "",
"desc": "Psychologist, Family",
"state": null,
"license": null,
"primary": false
},
{
"code": "103TP2701X",
"taxonomy_group": "",
"desc": "Psychologist, Group Psychotherapy",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NATIONAL REGISTER",
"identifier": "12522",
"state": null
}
],
"endpoints": [],
"other_names": []
}
Other providers in Columbia, 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.