Active NPI
Benjamin Michael Kozak, MD
- Diagnostic Radiology Physician
- Boston, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- A202269
- Practice address
- 55 Fruit St
Boston, MA 02114-2621 - Phone
- (617) 643-3726
- NPI assigned
- Mar 19, 2016
- 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 7
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 2025-01005 | NC | |
| Diagnostic Radiology Physician | 2085R0202X | 55581 | KY | |
| Diagnostic Radiology Physician | 2085R0202X | 277329 | MA | |
| Diagnostic Radiology Physician | 2085R0202X | T2656 | TX | |
| Diagnostic Radiology Physician | 2085R0202X | D0091889 | MD | |
| Diagnostic Radiology Physician | 2085R0202X | 35.146016 | OH | |
| Diagnostic Radiology Physician | 2085R0202X | A202269 | CA | Primary |
Addresses
Primary practice location
55 Fruit St
Boston, MA 02114-2621
Mailing address
2825 Oak Lawn Ave Unit 192749
Dallas, TX 75219-4688
Phone (510) 683-9500
Other practice location 1
75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250609000902 | CA | Practitioner - Diagnostic Radiology | 5395017354 | Reassigns benefits to 6 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of California, San Francisco School of Medicine, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Pacific Radiology Group IncUniversity of KentuckyOsu Radiology LLCBlue Ridge Healthcare Medical Group IncSutter Valley Medical Foundation
Practice addresses (Care Compare)
Lafayette, CA 94549
Phone (903) 663-4800
3340 Johnson Rd
Lafayette, CA 94549-2132
Phone (859) 323-2374
Hospital & facility affiliations
- Sutter Amador Hospital
- Ohio State University State Health System
- University of Kentucky Hospital
- James Cancer Hospital & Solove Research Institute
- Blue Ridge Healthcare Hospitals, Inc
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A202269 | CA | MD | Diagnostic Radiology Physician |
| 55581 | KY | MD | Diagnostic Radiology Physician |
| D0091889 | MD | MD | Diagnostic Radiology Physician |
| 2025-01005 | NC | MD | Diagnostic Radiology Physician |
| 35.146016 | OH | MD | Diagnostic Radiology Physician |
| T2656 | TX | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sutter Valley Medical Foundation | Diagnostic Radiology | Current | Accepting new patients |
| University of Texas Southwestern Medical Center at Dallas | Current | Accepting new patients | |
| Sutter Valley Medical Foundation | Current | Accepting new patients | |
| Pacific Radiology Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| Hampshire Pathologists, Inc. | Current | Accepting new patients | |
| Blue Ridge Healthcare Medical Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| The University of Texas Southwestern Medical Center at Dallas | Current | Accepting new patients | |
| General Hospital Corp | Current | Accepting new patients | |
| Blue Ridge Healthcare Medical Group, Inc. | Past | Accepting new patients | |
| Rocky Hill Imaging Center, LLC | Diagnostic Radiology | Past | Accepting new patients |
| Mass General Brigham Medical Group Western Massachusetts Inc | Past | Accepting new patients | |
| Sutter Valley Medical Foundation | Past | Accepting new patients |
Locations
321 N Kuakini St
Ste 405
Honolulu, HI 96817
Phone (808) 522-0190
55 Fruit St
Boston, MA 02114
55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967
30 Locust St
Northampton, MA 01060
Phone (413) 582-2000
2134 14th Avenue Cir NW
Ste D
Hickory, NC 28601
Phone (828) 580-1236
10057 County Road 472
Anna, TX 75409
6201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 633-4700
2350 N Stemmons Fwy
Dallas, TX 75207
Phone (469) 488-7100
600 S Main St
Ft Worth, TX 76104
Phone (817) 882-2400
3030 Waterview Pkwy
Richardson, TX 75080
Phone (972) 669-7070
Interoperability endpoints
- kozak.benjamin.mgh@direct.partners.masshiway.net
Organizations & group practices 55
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.
-
- Multi-Specialty Clinic/Center
- Modesto, CA
- NPI 1669846986
CA, Diagnostic Radiology
-
- Diagnostic Radiology Physician
- Morganton, NC
- NPI 1639244478
CA
-
- Diagnostic Radiology Physician
- Hickory, NC
- NPI 1578842035
Diagnostic Radiology
-
- Durable Medical Equipment & Medical Supplies
- Tracy, CA
- NPI 1720930712
-
- Ambulatory Surgical Clinic/Center
- Morganton, NC
- NPI 1376901900
-
- Obstetrics & Gynecology Physician
- Connelly Springs, NC
- NPI 1467993931
-
- Durable Medical Equipment & Medical Supplies
- Stockton, CA
- NPI 1063887883
-
- Durable Medical Equipment & Medical Supplies
- Roseville, CA
- NPI 1083949341
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Special Hospital
- Columbus, OH
- NPI 1124127683
Hospital
-
- General Acute Care Hospital
- Rutherford College, NC
- NPI 1306821798
Hospital
-
- Hematology & Oncology Physician
- Morganton, NC
- NPI 1417000837
Hospital
-
- Hematology & Oncology Physician
- Valdese, NC
- NPI 1487707964
Hospital
-
- General Acute Care Hospital
- Morganton, NC
- NPI 1700860491
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1458345600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751328000000",
"number": "1487015384",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2825 OAK LAWN AVE UNIT 192749",
"city": "DALLAS",
"state": "TX",
"postal_code": "752194688",
"telephone_number": "510-683-9500",
"fax_number": "877-880-2039"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 FRUIT ST",
"city": "BOSTON",
"state": "MA",
"postal_code": "021142621",
"telephone_number": "617-643-3726"
}
],
"practiceLocations": [
{
"address_1": "75 Francis St",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021156110",
"country_code": "US",
"telephone_number": "617-732-5500",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KOZAK",
"first_name": "BENJAMIN",
"middle_name": "MICHAEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2016-03-19",
"last_updated": "2025-07-01",
"certification_date": "2025-07-01",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "NC",
"license": "2025-01005",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "KY",
"license": "55581",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "MA",
"license": "277329",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "TX",
"license": "T2656",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "MD",
"license": "D0091889",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "OH",
"license": "35.146016",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "CA",
"license": "A202269",
"primary": true
}
],
"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 Jul 1, 2025; 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.