Seidenberg Protzko Eye Associates
Seidenberg Protzko Eye Associates holds 5 active organization NPIs in the federal registry, with practice locations in 4 Maryland cities. 4 list eyewear supplier 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 NPIHavre De Grace has the most NPIs, 2
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2007
Source: CMS NPPES, enumeration dates.
1 NPIs were issued in 2006 alone, more than in any other year; none in 6 of the years between.
Havre De Grace locations
The city with the most Seidenberg Protzko Eye Associates NPIs. The full list of all 5 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1124065800 | 2023 PULASKI HIGHWAY, Havre De Grace | Ophthalmology Physician | Jun 1, 2006 |
| 1396997680 | 2023 PULASKI HWY, Havre De Grace | Eyewear Supplier | Oct 17, 2008 |
All 5 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1720145766 | 520 UPPER CHESAPEAKE DR SUITE 401, Bel Air | Eyewear Supplier | Jan 2, 2007 |
| 1003276825 | 120 SPEER RD STE 1, Chestertown | Eyewear Supplier | Mar 7, 2016 |
| 1114355377 | 360 E PULASKI HWY SUITE 1, Elkton | Eyewear Supplier | Oct 28, 2013 |
| 1124065800 | 2023 PULASKI HIGHWAY, Havre De Grace | Ophthalmology Physician | Jun 1, 2006 |
| 1396997680 | 2023 PULASKI HWY, Havre De Grace | Eyewear Supplier | Oct 17, 2008 |
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 Seidenberg Protzko Eye Associates have 5 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Seidenberg Protzko Eye Associates's NPIs list practice locations in 4 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.