Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Michael David Lewen, MD

Individual provider Ophthalmology Physician · NPI 1861830119

Michael David Lewen, MD is an Ophthalmology in Pittsburgh, Pennsylvania. Qualified in 2013, 13 years ago. Practices with Alexander Chang MD PC, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
13
Licensed in
PA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

420 E North Ave Ste 116
Pittsburgh, PA 15212-4746
Phone: (412) 359-6300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2101 Greentree Rd Ste 105, Pittsburgh, PA 15220-1400 — (412) 429-2020

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence MD466664 (PA)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD466664 (PA)

Record details

NPI number1861830119
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2013
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Alexander Chang Md Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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