Active NPI
Jonathan Michael Glanzman, MD
- Radiation Oncology Physician
- Providence, RI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- MD20722
- Practice address
- 593 Eddy St
Providence, RI 02903-4923 - Phone
- (401) 444-8311
- NPI assigned
- Jun 19, 2012
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | 258959 | MA | |
| Radiation Oncology Physician | 2085R0001X | MD20722 | RI | Primary |
Addresses
Primary practice location
593 Eddy St
Providence, RI 02903-4923
Mailing address
15 La Salle SQ
Providence, RI 02903-1814
Phone (401) 444-6779
Other practice location 1
115 Cass Ave Unit 1
Woonsocket, RI 02895-4705
Phone (401) 356-1701
Other practice location 2
50 Maude St
Providence, RI 02908-4325
Phone (401) 456-2690
Other practice location 3
795 Middle St
Fall River, MA 02721-1733
Phone (508) 996-3991
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| MD20722 | Other | RI | LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, RI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Radiation Oncology
- Education
- Albert Einstein College of Medicine of Yeshiva University, 2007
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
115 Cass Ave
Woonsocket, RI 02895-4705
Phone (401) 356-1701
50 Maude St
Providence, RI 02908-4325
Phone (401) 456-2690
593 Eddy St
Providence, RI 02903-4923
Phone (401) 444-8311
70 Walnut St
Suite 100
Foxborough, MA 02035-5312
Phone (508) 698-3266
Hospital & facility affiliations
- Brown University Health Morton Hospital
- Rhode Island Hospital
- Umass Memorial Medical Center/University Campus
- Saint Anne'S Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 82.98
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 258959 | MA | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rhode Island Hospital | Current | Accepting new patients | |
| Lifespan Corporation | Current | Accepting new patients | |
| Lifespan Physician Group, Inc. | Current | Accepting new patients | |
| Rhode Island Hospital | Current | Accepting new patients | |
| Lifespan Physician Group, Inc. | Current | Accepting new patients | |
| Radiosurgery Center of Rhode Island LLC | Radiation Oncology | Current | Accepting new patients |
| Lifespan Physician Group of Massachusetts Inc | Current | Accepting new patients | |
| Southern New England Regional Cancer Center, LLC | Radiation Oncology | Current | Accepting new patients |
| Roger Williams Radiation Therapy, LLC | Radiation Oncology | Current | Accepting new patients |
| Rhode Island Hospital | Past | Accepting new patients | |
| Lifespan Physician Group, Inc. | Past | Accepting new patients |
Locations
795 Middle St
Fall River, MA 02721
Phone (508) 235-5046
70 Walnut St
Ste 100
Foxborough, MA 02035
Phone (508) 698-3266
531 Faunce Corner Rd
North Dartmouth, MA 02747
Phone (508) 991-2255
1454 S County Trl
Ste 2100
East Greenwich, RI 02818
Phone (401) 606-2000
1454 S County Trl
Ste 1400
East Greenwich, RI 02818
Phone (844) 222-2881
701 George Washington Hwy
Ste 101
Lincoln, RI 02865
Phone (401) 201-8000
11 Friendship St
Newport, RI 02840
Phone (401) 845-1110
11 Friendship St
#1
Newport, RI 02840
Phone (401) 845-1646
185A High Service Ave
North Providence, RI 02904
Phone (401) 354-6050
117 Ellenfield St
Ste 101
Providence, RI 02905
Phone (401) 444-4318
593 Eddy St
Providence, RI 02903
50 Maude St
Providence, RI 02908
Phone (401) 456-2200
15 La Salle Sq
Providence, RI 02903
593 Eddy St
Bsmt Apc
Providence, RI 02903
Phone (401) 444-8311
164 Summit Ave
Providence, RI 02906
Phone (401) 793-2104
593 Eddy St
Ste 9B
Providence, RI 02903
Phone (401) 444-5280
450 Toll Gate Rd
Warwick, RI 02886
Phone (401) 732-2300
115 Cass Ave
Woonsocket, RI 02895
Phone (401) 356-1701
115 Cass Ave
#1
Woonsocket, RI 02895
Phone (401) 228-0606
Interoperability endpoints
- jglanzman237534@brownhealth.medalliesdirect.net
Organizations & group practices 11
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.
-
- General Practice Physician
- Providence, RI
- NPI 1407116643
-
- Radiation Oncology Physician
- Providence, RI
- NPI 1013078450
-
- Radiation Oncology Physician
- Woonsocket, RI
- NPI 1134109697
-
- Family Medicine Physician
- Taunton, MA
- NPI 1235957713
-
- Radiation Oncology Physician
- Providence, RI
- NPI 1578726261
-
- Hematology & Oncology Physician
- Providence, RI
- NPI 1396849782
-
- Children's Rehabilitation Hospital
- Providence, RI
- NPI 1790221232
-
- Emergency Medicine Physician
- Providence, RI
- NPI 1568325678
-
- General Acute Care Hospital
- Providence, RI
- NPI 1972768174
-
- Psychiatry Physician
- Providence, RI
- NPI 1548506793
-
- General Acute Care Hospital
- Providence, RI
- NPI 1588659528
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Providence, RI
- NPI 1588659528
-
- General Acute Care Hospital
- Providence, RI
- NPI 1972768174
-
- General Acute Care Hospital
- Fall River, MA
- NPI 1972330165
-
- General Acute Care Hospital
- Taunton, MA
- NPI 1609603877
-
- General Acute Care Hospital
- Worcester, MA
- NPI 1831151455
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1340064000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779062400000",
"number": "1649533175",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15 LA SALLE SQ",
"city": "PROVIDENCE",
"state": "RI",
"postal_code": "029031814",
"telephone_number": "401-444-6779"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "593 EDDY ST",
"city": "PROVIDENCE",
"state": "RI",
"postal_code": "029034923",
"telephone_number": "401-444-8311"
}
],
"practiceLocations": [
{
"address_1": "115 Cass Ave Unit 1",
"address_purpose": "LOCATION",
"city": "Woonsocket",
"state": "RI",
"postal_code": "028954705",
"country_code": "US",
"telephone_number": "401-356-1701",
"fax_number": "401-356-4537",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "50 Maude St",
"address_purpose": "LOCATION",
"city": "Providence",
"state": "RI",
"postal_code": "029084325",
"country_code": "US",
"telephone_number": "401-456-2690",
"fax_number": "401-456-6540",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "795 Middle St",
"address_purpose": "LOCATION",
"city": "Fall River",
"state": "MA",
"postal_code": "027211733",
"country_code": "US",
"telephone_number": "508-996-3991",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GLANZMAN",
"first_name": "JONATHAN",
"middle_name": "MICHAEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2012-06-19",
"last_updated": "2026-05-18",
"certification_date": "2026-05-18",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "MA",
"license": "258959",
"primary": false
},
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "RI",
"license": "MD20722",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "LICENSE",
"identifier": "MD20722",
"state": "RI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Providence, RI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 18, 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.