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

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
Mailing address4309 W Medical Center Dr Ste A102, McHenry, IL 60050-8436

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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