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

Dr. Sinan Ali Simsir, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1528142445

Dr. Sinan Ali Simsir, MD is a Thoracic Surgery in Dubuque, Iowa. Qualified in 1991, 35 years ago. Practices with Porter Physician Services LLC, a 96-clinician group and accepts Medicare assignment. Licensed in Iowa, Illinois, Minnesota and North Carolina and 2 more.

Years since qualifying
35
Licensed in
IA, IL, MN, NC, NJ, WI
In the registry since
2006
Specialties on file
6
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

1000 Langworthy St
Dubuque, IA 52001-7365
Phone: (563) 584-3445
Fax: (563) 584-3446
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence MD-51799 (IA)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 60358-20 (WI)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 036-130418 (IL)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 108789TEMP (MN)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 2003-00884 (NC)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 25MA08757800 (NJ)

Record details

NPI number1528142445
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESJuly 31, 2023
Certification dateJuly 31, 2023

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Porter Physician Services Llc — 96 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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