Active NPI
Richard Steven Blumberg, MD
- Gastroenterology Physician
- Boston, MA
National Provider Identifier
1427002286
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 50768
- Practice address
- 75 Francis St Thorn 1419
Brigham and Womens Hospital Gastroenterology Division
Boston, MA 02115 - Phone
- (617) 732-5500
- NPI assigned
- May 19, 2006
- Last updated
- Jul 13, 2026
- 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 |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 50768 | MA | Primary |
Addresses
Primary practice location
75 Francis St Thorn 1419
Brigham and Womens Hospital Gastroenterology Division
Boston, MA 02115
Mailing address
75 Francis St Thorn 1419
Brigham and Womens Hospital Gastroenterology Division
Boston, MA 02115
Phone (617) 732-5824
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147996800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1427002286",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "75 FRANCIS ST THORN 1419",
"address_2": "BRIGHAM AND WOMENS HOSPITAL GASTROENTEROLOGY DIVISION",
"city": "BOSTON",
"state": "MA",
"postal_code": "02115",
"telephone_number": "617-732-5824"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "75 FRANCIS ST THORN 1419",
"address_2": "BRIGHAM AND WOMENS HOSPITAL GASTROENTEROLOGY DIVISION",
"city": "BOSTON",
"state": "MA",
"postal_code": "02115",
"telephone_number": "617-732-5500"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BLUMBERG",
"first_name": "RICHARD",
"middle_name": "STEVEN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-19",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "MA",
"license": "50768",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Boston, 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.