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

Individual provider Internal Medicine Physician · NPI 1609100429

Dr. Muhammad Hammad Tahir, MD is an Internal Medicine in McHenry, Illinois. Qualified in 2005, 21 years ago. Practices with Advance Inpatient Medicine LLC, a 42-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Licensed in
IL
In the registry since
2009
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

4309 W Medical Center Dr Ste A102
McHenry, IL 60050-8436
Phone: (815) 338-6600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 21w575 Lynn Rd Apt 19, Lombard, IL 60148-1416 — (718) 710-8547

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036131069 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036131069 (IL)

Record details

NPI number1609100429
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 25, 2009
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Advance Inpatient Medicine Llc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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