Active NPI
Thomas Michael Kuczmarski, MD
- Hematology & Oncology Physician
- South Portland, ME
National Provider Identifier
1952862815
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- MD29424
- Practice address
- 265 Western Ave Ste 2
South Portland, ME 04106-2458 - Phone
- (207) 661-0200
- Fax
- (207) 661-0299
- NPI assigned
- Mar 25, 2019
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | 39748 | NH | |
| Internal Medicine Physician | 207R00000X | 39748 | NH | |
| Hematology & Oncology Physician | 207RH0003X | MD29424 | ME | Primary |
| Internal Medicine Physician | 207R00000X | MD29424 | ME |
Addresses
Primary practice location
265 Western Ave Ste 2
South Portland, ME 04106-2458
Mailing address
265 Western Ave Ste 2
South Portland, ME 04106-2458
Phone (207) 661-0200
Other practice location 1
75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500
Other practice location 2
100 Campus Dr Unit 108
Scarborough, ME 04074-7172
Phone (207) 303-1100
Other practice location 3
3073 White Mountain Hwy
North Conway, NH 03860-7101
Phone (603) 356-4904
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME
- 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
- Hematology/Oncology
- Education
- Geisel School of Medicine at Dartmouth, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
265 Western Ave
Suite 2
South Portland, ME 04106-2458
Phone (207) 396-7606
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD29424 | ME | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Internal Medicine | Current | Accepting new patients |
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Internal Medicine | Past | Accepting new patients |
Locations
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
265 Western Ave
Ste 2
South Portland, ME 04106
Phone (207) 661-0200
Organizations & group practices 4
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.
-
- Psychiatric Hospital
- Westbrook, ME
- NPI 1790265502
-
- Community/Retail Pharmacy
- Portland, ME
- NPI 1013868181
-
- Internal Medicine Physician
- Cape Elizabeth, ME
- NPI 1619281698
Hospital & facility affiliations 36
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Scarborough, ME
- NPI 1053647024
-
- General Acute Care Hospital
- Portland, ME
- NPI 1346267879
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553472000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788307200000",
"number": "1952862815",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "265 WESTERN AVE STE 2",
"city": "SOUTH PORTLAND",
"state": "ME",
"postal_code": "041062458",
"telephone_number": "207-661-0200",
"fax_number": "207-661-0299"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "265 WESTERN AVE STE 2",
"city": "SOUTH PORTLAND",
"state": "ME",
"postal_code": "041062458",
"telephone_number": "207-661-0200",
"fax_number": "207-661-0299"
}
],
"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"
},
{
"address_1": "100 Campus Dr Unit 108",
"address_purpose": "LOCATION",
"city": "Scarborough",
"state": "ME",
"postal_code": "040747172",
"country_code": "US",
"telephone_number": "207-303-1100",
"fax_number": "207-303-1110",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3073 White Mountain Hwy",
"address_purpose": "LOCATION",
"city": "North Conway",
"state": "NH",
"postal_code": "038607101",
"country_code": "US",
"telephone_number": "603-356-4904",
"fax_number": "603-356-0842",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KUCZMARSKI",
"first_name": "THOMAS",
"middle_name": "MICHAEL",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-03-25",
"last_updated": "2026-09-02",
"certification_date": "2026-09-02",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "NH",
"license": "39748",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NH",
"license": "39748",
"primary": false
},
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "ME",
"license": "MD29424",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "ME",
"license": "MD29424",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in South Portland, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 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.