NPPES file of Aug 9, 2026

Katzen Medical Associates, PC in Towson, MD

This location of Katzen Medical Associates bills under NPI 1801302104, an organization record issued on Dec 21, 2017 with the primary taxonomy Ophthalmology Physician. It is one of 20 NPIs registered under this name and one of 3 in Towson; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1801302104
Legal name
Katzen Medical Associates, PC
Entity
Type 2 · organization
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
901 DULANEY VALLEY RD STE 200, Towson, MD 21204
Phone
410-377-4500
Mailing address
Lutherville, MD
Enumerated
Dec 21, 2017
Record updated
Feb 5, 2020
Authorized official
Chief Executive Officer (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other 2 Towson NPIs

  1. Katzen Medical Associates, PC901 DULANEY VALLEY RD STE 220 · issued Jan 16, 20251164233300
  2. Katzen Medical Associates, PC901 DULANEY VALLEY RD STE 220 · issued Jan 16, 20251508677725

4 clinicians CMS lists with Katzen Medical Associates in Towson

  1. Joy Hammack, CRNACertified Registered Nurse Anesthetist1831435023
  2. Clarke Nelson, MD, PHDOphthalmology Physician1558894923
  3. Susan Njenga, CRNACertified Registered Nurse Anesthetist1356734560
  4. Saheel PatelCertified Registered Nurse Anesthetist1679970057

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 20 Katzen Medical Associates NPIs

Every location registered under this name, in 10 cities.

See every location

Checking an organization

  1. Confirm the business with the Maryland secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

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.

Which Towson NPI should I use?

Ask the office which NPI it bills under; all 3 Towson NPIs are registered under the same name.

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.