Active NPI
Stephen G Mueller, MD
- Psychiatry Physician
- Springfield, MA
National Provider Identifier
1376566018
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 73149
- Practice address
- 25 Bond St
Springfield, MA 01104-3401 - Phone
- (413) 731-6048
- Fax
- (413) 731-6064
- NPI assigned
- Jul 25, 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 73149 | MA | Primary |
Addresses
Primary practice location
25 Bond St
Springfield, MA 01104-3401
Mailing address
25 Bond St
Springfield, MA 01104-3401
Phone (413) 731-6048
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 |
|---|---|---|---|
| 73149 | MA | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153785600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1756684800000",
"number": "1376566018",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "25 BOND ST",
"city": "SPRINGFIELD",
"state": "MA",
"postal_code": "011043401",
"telephone_number": "413-731-6048"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "25 BOND ST",
"city": "SPRINGFIELD",
"state": "MA",
"postal_code": "011043401",
"telephone_number": "413-731-6048",
"fax_number": "413-731-6064"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MUELLER",
"first_name": "STEPHEN",
"middle_name": "G",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-25",
"last_updated": "2025-09-01",
"certification_date": "2025-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MA",
"license": "73149",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Springfield, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.