Active NPI
Bibek Koirala, M.D.
- Infectious Disease Physician
- Worcester, MA
National Provider Identifier
1215169735
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- 250308
- Practice address
- 55 Lake Ave N
Worcester, MA 01655-0002 - Phone
- (508) 334-8515
- Fax
- (508) 334-6490
- NPI assigned
- Aug 17, 2009
- Last updated
- Feb 5, 2026
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 250308 | MA | |
| Infectious Disease Physician | 207RI0200X | 250308 | MA | Primary |
Addresses
Primary practice location
55 Lake Ave N
Worcester, MA 01655-0002
Mailing address
PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885
Other practice location 1
60 Hospital Rd
Leominster, MA 01453-2205
Phone (978) 466-4600
Other practice location 2
55 Sayles St
Southbridge, MA 01550-1729
Phone (508) 764-2400
Other practice location 3
14 Prospect St
Milford, MA 01757-3003
Phone (508) 902-9751
Other practice location 4
119 Belmont St
Worcester, MA 01605-2903
Phone (508) 334-8515
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, CT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Infectious Disease
- Education
- Other, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
320 Pomfret St
Putnam, CT 06260-1836
Phone (860) 963-6331
55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 250308 | MA | MD | Internal Medicine Physician |
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.
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Milford, MA
- NPI 1477527497
-
- General Acute Care Hospital
- Leominster, MA
- NPI 1013995133
-
- Psychiatric Hospital Unit
- Clinton, MA
- NPI 1285171934
-
- General Acute Care Hospital
- Worcester, MA
- NPI 1831151455
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1250467200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770249600000",
"number": "1215169735",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 415348",
"city": "BOSTON",
"state": "MA",
"postal_code": "022415348",
"telephone_number": "800-225-8885",
"fax_number": "508-334-1977"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "55 LAKE AVE N",
"city": "WORCESTER",
"state": "MA",
"postal_code": "016550002",
"telephone_number": "508-334-8515",
"fax_number": "508-334-6490"
}
],
"practiceLocations": [
{
"address_1": "60 Hospital Rd",
"address_purpose": "LOCATION",
"city": "Leominster",
"state": "MA",
"postal_code": "014532205",
"country_code": "US",
"telephone_number": "978-466-4600",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "55 Sayles St",
"address_purpose": "LOCATION",
"city": "Southbridge",
"state": "MA",
"postal_code": "015501729",
"country_code": "US",
"telephone_number": "508-764-2400",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "14 Prospect St",
"address_purpose": "LOCATION",
"city": "Milford",
"state": "MA",
"postal_code": "017573003",
"country_code": "US",
"telephone_number": "508-902-9751",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "119 Belmont St",
"address_purpose": "LOCATION",
"city": "Worcester",
"state": "MA",
"postal_code": "016052903",
"country_code": "US",
"telephone_number": "508-334-8515",
"fax_number": "508-334-6490",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KOIRALA",
"first_name": "BIBEK",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2009-08-17",
"last_updated": "2026-02-05",
"certification_date": "2026-02-05",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "250308",
"primary": false
},
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "MA",
"license": "250308",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Worcester, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 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.