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

David R. Buyer, MD, SC

Organization Internal Medicine Physician · NPI 1962784124

David R. Buyer, MD, SC is an Internal Medicine Physician in Chicago, Illinois. Registered with an NPI since 2011.

In the registry since
2011

Practice location Address checks out

850 S Wabash Ave Ste 210
Chicago, IL 60605-3642
Phone: (312) 598-3520
Fax: (312) 598-3525
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1962784124
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Buyer — Physician Owner · (312) 598-3520
Other names Quintessential Care
NPI enumeratedSeptember 14, 2011
Last updated in NPPESDecember 4, 2023
Certification dateDecember 4, 2023
Mailing address322 Greenleaf Ave, Wilmette, IL 60091-1910

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