Active NPI
David C. Flemming, MD
- Anesthesiology Physician
- Gardner, MA
National Provider Identifier
1831168830
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 208551
- Practice address
- 250 Green St
Gardner, MA 01440-1396 - Phone
- (978) 630-6267
- NPI assigned
- Mar 14, 2006
- 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 208551 | MA | Primary |
Addresses
Primary practice location
250 Green St
Gardner, MA 01440-1396
Mailing address
250 Green St
Gardner, MA 01440-1396
Phone (978) 630-6267
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01631121 | Medicaid | MA |
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Heywood Medical Group Inc. | Anesthesiology | 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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1142294400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1831168830",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "250 GREEN ST",
"city": "GARDNER",
"state": "MA",
"postal_code": "014401396",
"telephone_number": "978-630-6267"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "250 GREEN ST",
"city": "GARDNER",
"state": "MA",
"postal_code": "014401396",
"telephone_number": "978-630-6267"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FLEMMING",
"first_name": "DAVID",
"middle_name": "C.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MA",
"license": "208551",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "01631121",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Gardner, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.