Active NPI
John Philip Zack, M.D.
- Ophthalmology Physician
- Del Mar, CA
National Provider Identifier
1629046347
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- C28587
- Practice address
- 2295 La Amatista Rd
Del Mar, CA 92014-3033 - Phone
- (858) 755-5797
- Fax
- (858) 755-2901
- NPI assigned
- Mar 9, 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 |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | C28587 | CA | Primary |
Addresses
Primary practice location
2295 La Amatista Rd
Del Mar, CA 92014-3033
Mailing address
2295 La Amatista Rd
Del Mar, CA 92014-3033
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C28587 | CA | MD | Ophthalmology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1141862400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1629046347",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2295 LA AMATISTA RD",
"city": "DEL MAR",
"state": "CA",
"postal_code": "920143033"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2295 LA AMATISTA RD",
"city": "DEL MAR",
"state": "CA",
"postal_code": "920143033",
"telephone_number": "858-755-5797",
"fax_number": "858-755-2901"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZACK",
"first_name": "JOHN",
"middle_name": "PHILIP",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-09",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "CA",
"license": "C28587",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Del Mar, CA
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.