Active NPI
Mark Santello, PH.D.
- Clinical Psychologist
- Belmont, MA
National Provider Identifier
1184679383
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 6601
- Practice address
- 115 Mill St
Belmont, MA 02478-1041 - Phone
- (617) 855-3839
- Fax
- (617) 855-2699
- NPI assigned
- May 24, 2006
- 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 |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 6601 | MA | Primary |
Addresses
Primary practice location
115 Mill St
Belmont, MA 02478-1041
Mailing address
115 Mill St
Belmont, MA 02478-1041
Phone (617) 855-3839
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Psychologist
- Education
- University of Vermont College of Medicine, 1992
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
115 Mill St
Belmont, MA 02478-1064
Phone (617) 855-3450
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| The McLean Hospital Corporation | Clinical | Current | Accepting new patients |
Locations
115 Mill St
Belmont, MA 02478
Phone (617) 855-2000
Interoperability endpoints
- santello.mark.mcl@direct.partners.masshiway.net
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148428800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1184679383",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "115 MILL ST",
"city": "BELMONT",
"state": "MA",
"postal_code": "024781041",
"telephone_number": "617-855-3839",
"fax_number": "617-855-2699"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "115 MILL ST",
"city": "BELMONT",
"state": "MA",
"postal_code": "024781041",
"telephone_number": "617-855-3839",
"fax_number": "617-855-2699"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SANTELLO",
"first_name": "MARK",
"credential": "PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-24",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "MA",
"license": "6601",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Belmont, 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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.