NPPES file of Aug 9, 2026

Alexander Chang Md PC in Pittsburgh, PA

This location of Alexander Chang Md bills under NPI 1386861995, an organization record issued on Apr 18, 2007 with the primary taxonomy Ophthalmology Physician. It is one of 2 NPIs registered under this name and one of 2 in Pittsburgh; 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
1386861995
Legal name
Alexander Chang Md PC
Entity
Type 2 · organization
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
2101 GREENTREE RD STE 105, Pittsburgh, PA 15220
Phone
412-429-2020
Enumerated
Apr 18, 2007
Record updated
Oct 27, 2009
Authorized official
Office Manager (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 Pittsburgh NPI

  1. Alexander Chang Md PC2101 GREENTREE RD SUITE 105 · issued Jan 17, 20081275719536

7 clinicians CMS lists with Alexander Chang Md in Pittsburgh

  1. Michael Alunni, MDOphthalmology Physician1194916825
  2. Brooke Calle, ODOptometrist1356235378
  3. Brian Gaster, ODOptometrist1922099639
  4. Michael Lewen, MDRetina Specialist (Ophthalmology) Physician1861830119
  5. Ryan Mcbee, ODOptometrist1326247552
  6. Rose Ngan, MDOphthalmology Physician1255453114
  7. Joseph Scherer, MDOphthalmology Physician1306805668

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

All 2 Alexander Chang Md NPIs

Every location registered under this name, in 1 city.

See every location

Checking an organization

  1. Confirm the business with the Pennsylvania 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.

All taxonomies on this record

  • 152W00000X Optometrist
  • 207W00000X Ophthalmology Physician

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 Pittsburgh NPI should I use?

Ask the office which NPI it bills under; all 2 Pittsburgh 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.