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

Dr. Peter Paul Mayock, MD

Individual provider Internal Medicine Physician · NPI 1285735142

Dr. Peter Paul Mayock, MD is an Internal Medicine Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

845 W Wilson Ave
Chicago, IL 60640-8090
Phone: (773) 506-4283
Fax: (773) 989-5986
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036084492 (IL)

Record details

NPI number1285735142
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 25, 2006
Last updated in NPPESFebruary 23, 2022
Certification dateFebruary 23, 2022

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