Active NPI
Rebecca Hennessy
- Occupational Therapist
- California, MD
National Provider Identifier
1487200846
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Occupational Therapist
- License
- OT-10753
- Practice address
- 22593 Three Notch Rd
California, MD 20619-3202 - Phone
- (301) 862-2505
- NPI assigned
- Aug 12, 2019
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Therapist | 225X00000X | OT-10753 | MD | Primary |
Addresses
Primary practice location
22593 Three Notch Rd
California, MD 20619-3202
Mailing address
22593 Three Notch Rd
California, MD 20619-3202
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| OT-1540 | Other | HI | OCCUPATIONAL THERAPIST |
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OT-1540 | HI | MD | Occupational Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1565568000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788134400000",
"number": "1487200846",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "22593 THREE NOTCH RD",
"city": "CALIFORNIA",
"state": "MD",
"postal_code": "206193202"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22593 THREE NOTCH RD",
"city": "CALIFORNIA",
"state": "MD",
"postal_code": "206193202",
"telephone_number": "301-862-2505"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HENNESSY",
"first_name": "REBECCA",
"name_prefix": "Mrs.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-08-12",
"last_updated": "2026-08-31",
"certification_date": "2026-08-31",
"status": "A"
},
"taxonomies": [
{
"code": "225X00000X",
"taxonomy_group": "",
"desc": "Occupational Therapist",
"state": "MD",
"license": "OT-10753",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "OCCUPATIONAL THERAPIST",
"identifier": "OT-1540",
"state": "HI"
}
],
"endpoints": [],
"other_names": []
}Other providers in California, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.