Active NPI
Renee J. Wellenstein, D.O.
- Specialist
- Cooperstown, NY
National Provider Identifier
1952368276
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- License
- 249095
- Practice address
- 109 Pioneer St
Cooperstown, NY 13326-1218 - Phone
- (607) 544-6626
- Fax
- (607) 250-6119
- NPI assigned
- Apr 28, 2006
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Specialist | 174400000X | 041672 | CT | |
| Specialist | 174400000X | 249095 | NY | Primary |
Addresses
Primary practice location
109 Pioneer St
Cooperstown, NY 13326-1218
Mailing address
109 Pioneer St
Cooperstown, NY 13326-1218
Phone (607) 544-6626
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 Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 249095 | NY | MD | Specialist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Catholic Charities of Fairfield County, 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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Norwalk, CT
- NPI 1972727394
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146182400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768003200000",
"number": "1952368276",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "109 PIONEER ST",
"city": "COOPERSTOWN",
"state": "NY",
"postal_code": "133261218",
"telephone_number": "607-544-6626",
"fax_number": "607-250-6119"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "109 PIONEER ST",
"city": "COOPERSTOWN",
"state": "NY",
"postal_code": "133261218",
"telephone_number": "607-544-6626",
"fax_number": "607-250-6119"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WELLENSTEIN",
"first_name": "RENEE",
"middle_name": "J.",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2006-04-28",
"last_updated": "2026-01-10",
"certification_date": "2026-01-10",
"status": "A"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "CT",
"license": "041672",
"primary": false
},
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "NY",
"license": "249095",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Cooperstown, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.