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

Individual provider Internal Medicine Physician · NPI 1194869842

Dr. Hoangmai Thi Phan, MD practises Internal Medicine in Chicago, Illinois. Graduated from University of Texas Medical Branch at Galveston in 1984, 42 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
42
Trained at
University of Texas Medical Branch at Galveston
Licensed in
IL
In the registry since
2007
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

150 E Huron St Ste 1226
Chicago, IL 60611-2999 Not confirmed with CMS for 18 years — call before visiting
Phone: (312) 951-0501
Fax: (312) 951-0970
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036072515 (IL)

Record details

NPI number1194869842
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2007
Last updated in NPPESAugust 21, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 1984 (42 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients80
Services billed 125 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Northwestern Medical Faculty Foundation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 4394 clinicians in the practice; 12 are shown here.

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