Active NPI
Brian Day
- Cardiovascular Disease Physician
- Bethlehem, PA
National Provider Identifier
1134700982
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- MD497072
- Practice address
- 801 Ostrum St
Bethlehem, PA 18015-1000 - Phone
- (484) 526-4644
- NPI assigned
- Apr 14, 2021
- Last updated
- Sep 24, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | MD497072 | PA | Primary |
Addresses
Primary practice location
801 Ostrum St
Bethlehem, PA 18015-1000
Mailing address
801 Ostrum St
Bethlehem, PA 18015-1000
Phone (484) 526-4644
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20210921000338 | PA | Order and Referring Only - Internal Medicine | 8022415967 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Interoperability endpoints
- bday261921@direct-sluhn.org
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1618358400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790208000000",
"number": "1134700982",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "801 OSTRUM ST",
"city": "BETHLEHEM",
"state": "PA",
"postal_code": "180151000",
"telephone_number": "484-526-4644"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 OSTRUM ST",
"city": "BETHLEHEM",
"state": "PA",
"postal_code": "180151000",
"telephone_number": "484-526-4644"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DAY",
"first_name": "BRIAN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2021-04-14",
"last_updated": "2026-09-24",
"certification_date": "2026-09-24",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "PA",
"license": "MD497072",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Bethlehem, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.