Active NPI
Roger Horng-Jer Tsai, O.D.
- Optometrist
- Ambler, PA
National Provider Identifier
1396783593
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- OEG000319
- Practice address
- 6 Cavalier Dr
Ambler, PA 19002-4714 - Phone
- (215) 542-3996
- Fax
- (215) 628-2757
- NPI assigned
- Jun 2, 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | OEG000319 | PA | Primary |
Addresses
Primary practice location
6 Cavalier Dr
Ambler, PA 19002-4714
Mailing address
119 Gwynedd Lea Dr
North Wales, PA 19454-1920
Other names 1
- Dr. Horng Jer Tsai
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: No
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Optometry
- Education
- Pennsylvania College of Optometry, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
6 Cavalier Dr
Ambler, PA 19002-4714
Phone (215) 542-3996
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OEG000319 | PA | MD | Optometrist |
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 and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149206400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1396783593",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "119 GWYNEDD LEA DR",
"city": "NORTH WALES",
"state": "PA",
"postal_code": "194541920"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6 CAVALIER DR",
"city": "AMBLER",
"state": "PA",
"postal_code": "190024714",
"telephone_number": "215-542-3996",
"fax_number": "215-628-2757"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TSAI",
"first_name": "ROGER",
"middle_name": "HORNG-JER",
"name_prefix": "Dr.",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-02",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "PA",
"license": "OEG000319",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "HORNG",
"last_name": "TSAI",
"middle_name": "JER",
"prefix": "DR.",
"credential": "O.D.",
"code": "1",
"type": "Former Name"
}
]
}Other providers in Ambler, PA
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.
- 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.