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

Mr. Demetrios Petrovas, MD

Individual provider Internal Medicine Physician · NPI 1871547505

Mr. Demetrios Petrovas, MD is an Internal Medicine in Chicago, Illinois. Qualified in 1988, 38 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
38
Licensed in
CA, IL
In the registry since
2006
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

3960 N Harlem Ave
Chicago, IL 60634
Phone: (773) 658-2300
Fax: (773) 658-2305
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 36084958 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence A50087 (CA)

Record details

NPI number1871547505
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 19, 2006
Last updated in NPPESJanuary 20, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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