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

John O Wei, MD

Individual provider Internal Medicine Physician · NPI 1184086498

John O Wei, MD is an Internal Medicine in New York, New York. Qualified in 2016, 10 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 2,791-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in New York and Oregon.

Years since qualifying
10
Licensed in
NY, OR
In the registry since
2016
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

234 E 85th St
New York, NY 10028-3001
Phone: (212) 241-6585
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1 Gustave L Levy Pl, New York, NY 10029-6504 — (212) 241-6585
  • 1661 Highway 99 N Ste 100, Ashland, OR 97520-8900 — (541) 732-8300

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 314580 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD192006 (OR)

Record details

NPI number1184086498
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2016
Last updated in NPPESFebruary 9, 2022
Certification dateFebruary 9, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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