Physician Profile
Mohammad Ali Abbass, MD
Unclaimed ProfileAbout Dr. Abbass
Mohammad Ali Abbass, MD is a healthcare provider in Chicago, IL specializing in colon & rectal surgery. Mohammad Ali is also listed as specializing in surgery. According to Medicare claims data, Mohammad Ali cared for 54 Medicare patients across 65 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more and diagnostic exam of anus using an endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 695-5620
- Email not available
Practice Locations
259 E ERIE ST STE 1600
Chicago, IL 60611
9500 Euclid Ave
Cleveland, OH 44195
Procedures Most Often Billed to Medicare
65 services · 54 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
15 | |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
50 | More often than most peers in Colon & Rectal Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other colorectal surgeons in Chicago 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Abbass specialize in?
Dr. Abbass is a colorectal surgeon in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is Dr. Abbass located?
Dr. Abbass is listed at 259 E Erie St Ste 1600, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Abbass's phone number?
The number on file is (312) 695-5620. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Abbass's NPI number?
Dr. Abbass's National Provider Identifier is 1730508052. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Abbass go to medical school?
Dr. Abbass attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Abbass been practicing?
Dr. Abbass has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Abbass do most often?
According to Medicare billing data, Dr. Abbass performs procedures including diagnostic exam of anus using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Abbass confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Abbass. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.