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

Dr. Petham Muthuswamy, MD

Individual provider Internal Medicine Physician · NPI 1205922770

Dr. Petham Muthuswamy, MD is a Pulmonary Disease in Chicago, Illinois. Qualified in 1970, 56 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
56
Licensed in
IL
In the registry since
2006
Specialties on file
3
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

7531 S Stony Is Ste 169
Chicago, IL 60649
Phone: (773) 947-7715
Fax: (773) 643-0175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 03604724 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036047024 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 03604724 (IL)

Record details

NPI number1205922770
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolOTHER
Graduated 1970 (56 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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