Active NPI
Mark R Halperin, DDS
- General Practice Dentistry
- Dedham, MA
National Provider Identifier
1366449894
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Dentistry
- License
- 11541
- Practice address
- 1 Lyons St
Dedham, MA 02026-5599 - Phone
- (781) 329-1400
- Fax
- (781) 278-5667
- NPI assigned
- Jun 30, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Dentistry | 1223G0001X | 11541 | MA | Primary |
Addresses
Primary practice location
1 Lyons St
Dedham, MA 02026-5599
Mailing address
PO Box 9120
Dedham, MA 02027-9120
Phone (781) 329-1400
Other identifiers 7
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 380456 | Other | HARVARD PILGRIM POS | |
| 380456 | Other | HARVARD PILGRIM PPO | |
| 380456 | Other | HARVARD/PILGRIM | |
| DMA102 | Other | FIRST SENIORITY | |
| 0016764 | Other | NEIGHBORHOOD HEALTH PLAN | |
| X03980 | Other | DENTAL BLUE | |
| 11541 | Other | DELTA DENTAL |
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 |
|---|---|---|---|
| 11541 | MA | MD | Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1120089600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1366449894",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 9120",
"city": "DEDHAM",
"state": "MA",
"postal_code": "020279120",
"telephone_number": "781-329-1400",
"fax_number": "781-278-5667"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1 LYONS ST",
"city": "DEDHAM",
"state": "MA",
"postal_code": "020265599",
"telephone_number": "781-329-1400",
"fax_number": "781-278-5667"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HALPERIN",
"first_name": "MARK",
"middle_name": "R",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-06-30",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "MA",
"license": "11541",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM POS",
"identifier": "380456",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM PPO",
"identifier": "380456",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD/PILGRIM",
"identifier": "380456",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FIRST SENIORITY",
"identifier": "DMA102",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NEIGHBORHOOD HEALTH PLAN",
"identifier": "0016764",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "DENTAL BLUE",
"identifier": "X03980",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "DELTA DENTAL",
"identifier": "11541",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Dedham, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.