Active NPI
Michael Stephen Ptaszynski, MD
- Pulmonary Disease Physician
- Bristol, CT
National Provider Identifier
1063409308
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pulmonary Disease Physician
- License
- 019680
- Practice address
- 25 Newell Rd
#D-25
Bristol, CT 06010-5100 - Phone
- (860) 314-6020
- Fax
- (860) 314-6024
- NPI assigned
- Oct 3, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 019680 | CT | |
| Pulmonary Disease Physician | 207RP1001X | 019680 | CT | Primary |
Addresses
Primary practice location
25 Newell Rd
#D-25
Bristol, CT 06010-5100
Mailing address
PO Box 2828
Bristol, CT 06011-2828
Phone (860) 585-3906
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 019680 | CT | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bristol Hospital Multi-Specialty Group, Inc. | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Surgery Physician
- Bristol, CT
- NPI 1154625374
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128297600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1063409308",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 2828",
"city": "BRISTOL",
"state": "CT",
"postal_code": "060112828",
"telephone_number": "860-585-3906",
"fax_number": "860-585-3907"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25 NEWELL RD",
"address_2": "#D-25",
"city": "BRISTOL",
"state": "CT",
"postal_code": "060105100",
"telephone_number": "860-314-6020",
"fax_number": "860-314-6024"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PTASZYNSKI",
"first_name": "MICHAEL",
"middle_name": "STEPHEN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-03",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CT",
"license": "019680",
"primary": false
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "CT",
"license": "019680",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Bristol, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.