Active NPI
Cathy Hahn, M.D.
- Pediatrics Physician
- Pittsford, NY
National Provider Identifier
1659355576
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 231986
- Practice address
- 59 Monroe Ave
Suite B
Pittsford, NY 14534-1308 - Phone
- (585) 385-1710
- NPI assigned
- Dec 5, 2005
- Last updated
- Jul 13, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 231986 | NY | Primary |
Addresses
Primary practice location
59 Monroe Ave
Suite B
Pittsford, NY 14534-1308
Mailing address
174 Oak LN
Rochester, NY 14610-3136
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 5442307 | Other | NY | AETNA PROVIDER NUMBER |
| 01468648 | Medicaid | NY | |
| 101468DL | Other | NM | PREFERRED CARE PROVIDER |
| 2635 | Other | NY | EXCELLUS BLS |
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)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 231986 | NY | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pittsford Pediatrics Associates | Pediatrics | 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Pediatrics Physician
- Pittsford, NY
- NPI 1902031982
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133740800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1659355576",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "174 OAK LN",
"city": "ROCHESTER",
"state": "NY",
"postal_code": "146103136"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "59 MONROE AVE",
"address_2": "SUITE B",
"city": "PITTSFORD",
"state": "NY",
"postal_code": "145341308",
"telephone_number": "585-385-1710"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAHN",
"first_name": "CATHY",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-12-05",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "NY",
"license": "231986",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA PROVIDER NUMBER",
"identifier": "5442307",
"state": "NY"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "01468648",
"state": "NY"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PREFERRED CARE PROVIDER",
"identifier": "101468DL",
"state": "NM"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "EXCELLUS BLS",
"identifier": "2635",
"state": "NY"
}
],
"endpoints": [],
"other_names": []
}Other providers in Pittsford, NY
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.