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DR. MOHAMMAD ALI ABBASS MD
NPI 1730508052
Colon & Rectal Surgery in Chicago, IL

Active since April 15, 2014PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
259 E ERIE ST STE 1600, CHICAGO, IL 60611(312) 695-5620(312) 695-2729 Get Directions Write a Review

NPPES record last updated: October 7, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2020, Jun 16, 2020 (2 updates tracked since 2020).

About Dr. Mohammad Ali Abbass Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MOHAMMAD ALI ABBASS MD (NPI 1730508052) is an individual colon & rectal surgery provider in Chicago, Illinois, licensed in Illinois (036153116) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Cleveland, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1730508052
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. MOHAMMAD ALI ABBASSCredential: MD
Location Address259 E ERIE ST STE 1600Chicago, IL 60611-3111
Mailing Address259 E Erie St Ste 1600Chicago, IL 60611-3111 · (312) 695-5620 · Fax (312) 695-2729
Phone(312) 695-5620
Fax(312) 695-2729
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateApril 15, 2014
Last NPPES UpdateOctober 7, 20202 updates tracked since enumeration
NPPES CertifiedOctober 7, 2020
✔ NPI 1730508052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in IL · 036153116
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedSurgeryTaxonomy 208600000X · License 35.133719 (OH)
259 E ERIE ST STE 1600, Chicago, IL 60611
Open in Google Maps ↗

Secondary Practice Location 1

Location 19500 Euclid AveCleveland, OH 44195-0001 · Phone (818) 416-1777 · Fax (216) 444-1162

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mohammad Ali Abbass Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204138217
PECOS Enrollment IDI20250108002572, I20251210002938
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Mohammad Ali Abbass reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorial Sloan Kettering Cancer Center At Basking Ridge New Jersey
684 mi
Medical Oncology
136 MOUNTAIN VIEW BLVD
Basking Ridge, NJ 07920
  • Reassigned Medicare billing, New Jersey enrollment
  • 385 clinicians in this Medicare group
NPI 1184637886 (908) 542-3000
Msk Monmouth
710 mi
Medical Oncology
480 RED HILL RD
Middletown, NJ 07748
  • Reassigned Medicare billing, New Jersey enrollment
  • 464 clinicians in this Medicare group
NPI 1922459163 (908) 542-3007
Mskcc Surgery Group
714 mi
Surgical Oncology
1275 YORK AVE
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 452 clinicians in this Medicare group
NPI 1699766261 (646) 227-3813
Memorial Clinical Genetics Group
714 mi
Gynecology
1275 YORK AVE
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 12 clinicians in this Medicare group
NPI 1851344337 (212) 639-2000
Memorial Medical Care PC
717 mi
Surgical Oncology
2236 NOSTRAND AVE
Brooklyn, NY 11210
  • Reassigned Medicare billing, New York enrollment
  • 36 clinicians in this Medicare group
NPI 1275258048 (212) 639-2000
Msk Nassau
734 mi
Medical Oncology
1101 HEMPSTEAD TURNPIKE
Uniondale, NY 11553
  • Reassigned Medicare billing, New York enrollment
  • 191 clinicians in this Medicare group
NPI 1053875229 (212) 639-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services41 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ATHENA CROWLEY APRN, CNP
Nurse Practitioner
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
DR. JOSEPH ALDEN HERROLD MD, MPH
Surgery (Trauma Surgery)
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-8918
ANDRES DUARTE MD
Internal Medicine (Hepatology)
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-4837
MR. DOMENICO ASCENZIO JOHN FARINA
Internal Medicine (Gastroenterology)
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
PATRICIA PIMENTEL ARAUJO RD
Dietitian, Registered
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
MS. AMY M LADEWSKI PA-C
Physician Assistant
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
BAILEY R HANSELMAN DNP, APRN, FNP-C
Nurse Practitioner
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-5620
MS. SARAH M FAURER PA-C
Physician Assistant
259 E ERIE ST STE 1600
CHICAGO, IL 60611
Cook County (312) 695-7070

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mohammad Ali Abbass's NPI number?

The NPI number for Mohammad Ali Abbass is 1730508052. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Mohammad Ali Abbass located?

Mohammad Ali Abbass practices at 259 E Erie St Ste 1600, Chicago, IL 60611. The listed phone number is (312) 695-5620.

What is Mohammad Ali Abbass's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Mohammad Ali Abbass enrolled in Medicare?

Yes. Mohammad Ali Abbass is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mohammad Ali Abbass's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Ali Abbass reassigns Medicare benefits to 6 organizations: Memorial Sloan Kettering Cancer Center At Basking Ridge New Jersey (Basking Ridge, NJ), Msk Monmouth (Middletown, NJ), Mskcc Surgery Group (New York, NY), Memorial Clinical Genetics Group (New York, NY), Memorial Medical Care PC (Brooklyn, NY) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mohammad Ali Abbass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mohammad Ali Abbass was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.