Active NPI
James John Ostromecky, DDS
- Dentist
- Spencer, MA
National Provider Identifier
1063497907
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dentist
- License
- 17730
- Practice address
- 48 Pleasant St
Spencer, MA 01562-1626 - Phone
- (508) 885-6366
- Fax
- (508) 885-2380
- NPI assigned
- Dec 14, 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 |
|---|---|---|---|---|
| Dentist | 122300000X | 17730 | MA | Primary |
Addresses
Primary practice location
48 Pleasant St
Spencer, MA 01562-1626
Mailing address
48 Pleasant St
Spencer, MA 01562
Phone (508) 885-6366
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: No
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20160415001617 | MA | Order and Referring Only - Dentist | 2961700414 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 17730 | MA | MD | Physical Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1134518400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1063497907",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "48 PLEASANT ST",
"city": "SPENCER",
"state": "MA",
"postal_code": "01562",
"telephone_number": "508-885-6366",
"fax_number": "508-885-2380"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "48 PLEASANT ST",
"city": "SPENCER",
"state": "MA",
"postal_code": "015621626",
"telephone_number": "508-885-6366",
"fax_number": "508-885-2380"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OSTROMECKY",
"first_name": "JAMES",
"middle_name": "JOHN",
"name_prefix": "Dr.",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-12-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "122300000X",
"taxonomy_group": "",
"desc": "Dentist",
"state": "MA",
"license": "17730",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Spencer, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.