Active NPI
Larry Jay Bayer, PH.D.
- Psychologist
- Boston, MA
National Provider Identifier
1821153578
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 3435
- Practice address
- 150 Newbury St
Boston, MA 02116-2809 - Phone
- (617) 635-9989
- Fax
- (617) 635-9989
- NPI assigned
- Dec 23, 2006
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychologist | 103T00000X | 3435 | MA | Primary |
| Clinical Psychologist | 103TC0700X | 3435 | MA | |
| Clinical Child & Adolescent Psychologist | 103TC2200X | 3435 | MA |
Addresses
Primary practice location
150 Newbury St
Boston, MA 02116-2809
Mailing address
32 Penfield St
Roslindale, MA 02131-2435
Phone (617) 469-5151
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 |
|---|---|---|---|
| 3435 | MA | MD | Occupational Therapy Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1166832000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1821153578",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "32 PENFIELD ST",
"city": "ROSLINDALE",
"state": "MA",
"postal_code": "021312435",
"telephone_number": "617-469-5151"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "150 NEWBURY ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021162809",
"telephone_number": "617-635-9989",
"fax_number": "617-635-9989"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BAYER",
"first_name": "LARRY",
"middle_name": "JAY",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-12-23",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "MA",
"license": "3435",
"primary": true
},
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "MA",
"license": "3435",
"primary": false
},
{
"code": "103TC2200X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical Child & Adolescent",
"state": "MA",
"license": "3435",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Boston, MA
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.