Barry Katzman M D INC Apc
Barry Katzman M D INC Apc holds 7 active organization NPIs in the federal registry, with practice locations in 5 California cities. All list ophthalmology physician as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPISan Diego has the most NPIs, 3
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2012
Source: CMS NPPES, enumeration dates.
6 NPIs were issued in 2012 alone, more than in any other year; none in 5 of the years between.
San Diego locations
The city with the most Barry Katzman M D INC Apc NPIs. The full list of all 7 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1326138710 | 6945 EL CAJON BLVD, San Diego | Ophthalmology Physician | Oct 13, 2006 |
| 1821341504 | 4344 CONVOY ST #C-2, San Diego | Ophthalmology Physician | Oct 18, 2012 |
| 1427301894 | 4413 LAJOLLA VILLAGE DR. SPC. P1, San Diego | Ophthalmology Physician | Oct 22, 2012 |
All 7 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1194078865 | 1620 ALPINE BLVD #117, Alpine | Ophthalmology Physician | Oct 18, 2012 |
| 1790038479 | 450 FLETCHER PKWY #112, El Cajon | Ophthalmology Physician | Oct 18, 2012 |
| 1811240591 | 830 W VALLEY PKWY, Escondido | Ophthalmology Physician | Oct 18, 2012 |
| 1174876858 | 2220 E PLAZA BLVD STE. H, National City | Ophthalmology Physician | Oct 18, 2012 |
| 1326138710 | 6945 EL CAJON BLVD, San Diego | Ophthalmology Physician | Oct 13, 2006 |
| 1821341504 | 4344 CONVOY ST #C-2, San Diego | Ophthalmology Physician | Oct 18, 2012 |
| 1427301894 | 4413 LAJOLLA VILLAGE DR. SPC. P1, San Diego | Ophthalmology Physician | Oct 22, 2012 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Barry Katzman M D INC Apc have 7 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Barry Katzman M D INC Apc's NPIs list practice locations in 5 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.