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

Farzan Mahmood, MD

Individual provider Internal Medicine Physician · NPI 1841484961

Farzan Mahmood, MD is a Rheumatology in Naperville, Illinois. Qualified in 2000, 26 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Wisconsin.

Years since qualifying
26
Licensed in
IL, WI
In the registry since
2007
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

1508 Sequoia Rd
Naperville, IL 60540-6389
Phone: (630) 585-7100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 818 Forest Ln, Waterford, WI 53185-4585 — (262) 514-3700

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 036-119936 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125049227 (IL)
Rheumatology Physician Taxonomy 207RR0500X · Licence 56163 (WI)

Record details

NPI number1841484961
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2007
Last updated in NPPESMay 28, 2024
Certification dateMay 28, 2024

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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