Active NPI
Peter N. Friedensohn, M.D.
- Otolaryngology Physician
- Quincy, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Otolaryngology Physician
- License
- 55961
- Practice address
- 500 Congress St
Suite 2B
Quincy, MA 02169-0908 - Phone
- (617) 774-1717
- NPI assigned
- Oct 31, 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 |
|---|---|---|---|---|
| Otolaryngology Physician | 207Y00000X | 55961 | MA | Primary |
Addresses
Primary practice location
500 Congress St
Suite 2B
Quincy, MA 02169-0908
Mailing address
PO Box 8609
Boston, MA 02114-0036
Phone (617) 573-3635
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3006310 | Medicaid | MA |
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: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Otolaryngology
- Education
- Geisel School of Medicine at Dartmouth, 1980
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
243 Charles St
Boston, MA 02114-3002
Phone (617) 523-7900
Hospital & facility affiliations
- Massachusetts Eye and Ear Infirmary -
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Modern Health Arizona P.L.L.C. | Current | Accepting new patients | |
| Massachusetts Eye and Ear Infirmary | Current | Accepting new patients | |
| Modern Health New Jersey L.L.C. | Current | Accepting new patients | |
| Massachusetts Eye and Ear Associates, Inc. | Otolaryngology | Current | Accepting new patients |
| Massachusetts Eye and Ear Associates, Inc. | Otolaryngology | Past | Accepting new patients |
| Peter S. Ambrus,M.D.,P.C. | Past | Accepting new patients | |
| Boston Facial Plastic Surgery, P.C. | Past | Accepting new patients |
Locations
243 Charles St
Boston, MA 02114
Phone (617) 523-7900
800 Huntington Ave
Boston, MA 02115
Phone (617) 525-9544
500 Congress St
Ste 2B
Quincy, MA 02169
Phone (617) 573-6700
300 Crown Colony Dr
Ste 201
Quincy, MA 02169
Phone (617) 573-3135
Interoperability endpoints
- friedensohn.peter.meei@direct.partners.masshiway.net
Organizations & group practices 7
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.
-
- Ophthalmology Physician
- Boston, MA
- NPI 1932574332
Otolaryngology
-
- General Acute Care Hospital
- Boston, MA
- NPI 1639101751
-
- Psychologist
- Boston, MA
- NPI 1124695788
-
- Psychologist
- Boston, MA
- NPI 1740857309
-
- Specialist
- Quincy, MA
- NPI 1386812840
-
- Specialist
- Quincy, MA
- NPI 1487851259
-
- Ophthalmology Physician
- Providence, RI
- NPI 1598160095
Otolaryngology
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1639101751
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130716800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1497746507",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 8609",
"city": "BOSTON",
"state": "MA",
"postal_code": "021140036",
"telephone_number": "617-573-3635"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "500 CONGRESS ST",
"address_2": "SUITE 2B",
"city": "QUINCY",
"state": "MA",
"postal_code": "021690908",
"telephone_number": "617-774-1717"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FRIEDENSOHN",
"first_name": "PETER",
"middle_name": "N.",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-31",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207Y00000X",
"taxonomy_group": "",
"desc": "Otolaryngology",
"state": "MA",
"license": "55961",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3006310",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Quincy, 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.