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

Dr. Mohammad Ali Abbass, MD

Individual provider Surgery Physician · NPI 1730508052

Dr. Mohammad Ali Abbass, MD is a Colorectal Surgery (Proctology) in Chicago, Illinois. Qualified in 2009, 17 years ago. Practices with MSK Nassau, a 98-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Ohio.

Years since qualifying
17
Licensed in
IL, OH
In the registry since
2014
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

259 E Erie St Ste 1600
Chicago, IL 60611-3111
Phone: (312) 695-5620
Fax: (312) 695-2729
Show map & directions

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

Additional practice locations (1)

  • 9500 Euclid Ave, Cleveland, OH 44195-0001 — (818) 416-1777

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 036153116 (IL)
Surgery Physician Taxonomy 208600000X · Licence 35.133719 (OH)

Record details

NPI number1730508052
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 15, 2014
Last updated in NPPESOctober 7, 2020
Certification dateOctober 7, 2020
Mailing address259 E Erie St Ste 1600, Chicago, IL 60611-3111

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Also practisesMEDICAL GENETICS AND GENOMICS
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Msk Nassau — 98 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

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