Active NPI
Jay S Fleitman, MD
- Pulmonary Disease Physician
- Northampton, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pulmonary Disease Physician
- License
- 52983
- Practice address
- 141 King St
Northampton, MA 01060-2330 - Phone
- (413) 570-9505
- Fax
- (413) 570-9970
- NPI assigned
- Dec 28, 2005
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Pulmonary Disease Physician | 207RP1001X | 52983 | MA | Primary |
| Sleep Medicine (Internal Medicine) Physician | 207RS0012X | 52983 | MA |
Addresses
Primary practice location
141 King St
Northampton, MA 01060-2330
Mailing address
PO Box 789
Ludlow, MA 01056-0789
Phone (413) 509-1000
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| J03304 | Other | MA | BLUE CROSS |
| 110024051 | Other | MA | RR MEDICARE |
| 6180264 | Medicaid | MA |
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: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Pulmonary Disease
- Education
- State University of New York at Stony Brook, School of Medicine, 1979
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
141 King St
Northampton, MA 01060-2330
Phone (413) 584-2524
146 Federal St
Greenfield, MA 01301-2511
Phone 4137742222202
22 Atwood Dr
Suite 301
Northampton, MA 01060-4267
Phone (413) 570-4900
50 Maple St
Springfield, MA 01103-1979
Phone 4137486484202
Hospital & facility affiliations
- Cooley Dickinson Hospital Inc,the
- Baystate Franklin Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 52983 | MA | MD | Pulmonary Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mass General Brigham Medical Group Western Massachusetts Inc | Multi-Specialty | Current | Accepting new patients |
| Hampden & Franklin County Cardiovascular Associates, PC | Multi-Specialty | Current | Accepting new patients |
| Cooley Dickinson Hospital Inc | Multi-Specialty | Current | Accepting new patients |
Locations
164 High St
Greenfield, MA 01301
Phone (413) 772-0211
141 King St
Northampton, MA 01060
Phone (413) 570-9505
22 Atwood Dr
Ste 301
Northampton, MA 01060
Phone (413) 570-4900
30 Locust St
Northampton, MA 01060
Phone (413) 582-2000
50 Maple St
Springfield, MA 01103
Phone (413) 748-6484
300 Stafford St
Ste 262
Springfield, MA 01104
Phone (413) 732-3109
65 Springfield Rd
Ste 1
Westfield, MA 01085
Phone (413) 642-8052
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/JBFADA
- fleitman.jay.cdh@direct.partners.masshiway.net
Organizations & group practices 3
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.
-
- Cardiovascular Disease Physician
- Greenfield, MA
- NPI 1174552350
Multi-Specialty
-
- Family Medicine Physician
- Northampton, MA
- NPI 1295787919
Multi-Specialty
-
- General Acute Care Hospital
- Northampton, MA
- NPI 1477596310
Multi-Specialty
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Greenfield, MA
- NPI 1508867391
-
- General Acute Care Hospital
- Northampton, MA
- NPI 1477596310
-
- Psychiatric Hospital Unit
- Northampton, MA
- NPI 1871512814
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1135728000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775001600000",
"number": "1114904497",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 789",
"city": "LUDLOW",
"state": "MA",
"postal_code": "010560789",
"telephone_number": "413-509-1000",
"fax_number": "413-509-1003"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "141 KING ST",
"city": "NORTHAMPTON",
"state": "MA",
"postal_code": "010602330",
"telephone_number": "413-570-9505",
"fax_number": "413-570-9970"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FLEITMAN",
"first_name": "JAY",
"middle_name": "S",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2005-12-28",
"last_updated": "2026-04-01",
"certification_date": "2026-04-01",
"status": "A"
},
"taxonomies": [
{
"code": "207RP1001X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "MA",
"license": "52983",
"primary": true
},
{
"code": "207RS0012X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Sleep Medicine",
"state": "MA",
"license": "52983",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS",
"identifier": "J03304",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RR MEDICARE",
"identifier": "110024051",
"state": "MA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "6180264",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Northampton, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 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.