Active NPI
John B McCahan, M.D.
- Pediatrics Physician
- Westborough, MA
National Provider Identifier
1225012354
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 151640
- Practice address
- 33 E Main St
Westborough, MA 01581-1410 - Phone
- (508) 836-4884
- Fax
- (508) 836-3351
- NPI assigned
- Dec 1, 2005
- Last updated
- Mar 12, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 151640 | MA | |
| Pediatrics Physician | 208000000X | 151640 | MA | Primary |
Addresses
Primary practice location
33 E Main St
Westborough, MA 01581-1410
Mailing address
PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | jmccahan23260@UmassMemorial.direct-ci.com | ||
| FHIR URL | https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ |
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
- Infectious Disease
- Education
- University of Massachusetts Medical School, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Umass Memorial Medical Group Inc | Internal Medicine | Current | Accepting new patients |
| Umass Memorial Medical Group, Inc. | Current | Accepting new patients |
Locations
33 E Main St
Westborough, MA 01581
Phone (508) 836-4884
55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862
Interoperability endpoints
- jmccahan23260@umassmemorial.direct-ci.com
Organizations & group practices 2
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.
-
- Internal Medicine Physician
- Worcester, MA
- NPI 1760445373
-
dba Urgent Care Express at Harrington
- Urgent Care Clinic/Center
- Oxford, MA
- NPI 1982381018
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Marlborough Hospital
- Registered Dietitian
- Marlborough, MA
- NPI 1104488170
Hospital
-
- Home Health Agency
- Milford, MA
- NPI 1568828796
-
- General Acute Care Hospital
- Milford, MA
- NPI 1477527497
-
- General Acute Care Hospital
- Worcester, MA
- NPI 1831151455
-
- Home Health Agency
- Worcester, MA
- NPI 1922002286
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133395200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1741737600000",
"number": "1225012354",
"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": "33 E MAIN ST",
"city": "WESTBOROUGH",
"state": "MA",
"postal_code": "015811410",
"telephone_number": "508-836-4884",
"fax_number": "508-836-3351"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCCAHAN",
"first_name": "JOHN",
"middle_name": "B",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-12-01",
"last_updated": "2025-03-12",
"certification_date": "2025-03-12",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "151640",
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "MA",
"license": "151640",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "jmccahan23260@UmassMemorial.direct-ci.com",
"affiliation": "N",
"address_1": "33 E Main St",
"city": "Westborough",
"state": "MA",
"country_code": "US",
"postal_code": "015811410",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "33 E Main St",
"city": "Westborough",
"state": "MA",
"country_code": "US",
"postal_code": "015811410",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}Other providers in Westborough, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2025; 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.