Dr Mohammad Ali Abbass, MD - Medicare Colorectal Surgery (proctology) in Chicago, IL

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Dr Mohammad Ali Abbass, MD is a medicare enrolled "Colon & Rectal Surgery" physician in Chicago, Illinois. He graduated from medical school in 2009 and has 17 years of diverse experience with area of expertise as Colorectal Surgery (proctology). He is a member of the group practice Mskcc Surgery Group, Memorial Clinical Genetics Group, Msk Nassau and his current practice location is 259 E Erie St Ste 1600, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 695-5620.

Dr Mohammad Ali Abbass is licensed to practice in Illinois (license number 036153116) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1730508052.

Contact Information

Dr Mohammad Ali Abbass, MD
259 E Erie St Ste 1600,
Chicago, IL 60611-3111
(312) 695-5620
(312) 695-2729

Map and Direction




Physician's Profile

Full NameDr Mohammad Ali Abbass
GenderMale
SpecialityColorectal Surgery (proctology)
Experience17 Years
Location259 E Erie St Ste 1600, Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mohammad Ali Abbass graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1730508052
  • Provider Enumeration Date: 04/15/2014
  • Last Update Date: 10/07/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 6204138217
  • Enrollment ID: I20250108002572

Medical Identifiers

Medical identifiers for Dr Mohammad Ali Abbass such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730508052NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 35.133719 (Ohio)Secondary
208C00000XColon & Rectal Surgery 036153116 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mskcc Surgery Group0345131405341
Memorial Clinical Genetics Group61038370758
Msk Nassau862831168574

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mohammad Ali Abbass allows following entities to bill medicare on his behalf.
Entity NameMskcc Surgery Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699766261
PECOS PAC ID: 0345131405
Enrollment ID: O20040320000446
Entity NameMemorial Clinical Genetics Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851344337
PECOS PAC ID: 6103837075
Enrollment ID: O20060508000513
Entity NameMsk Nassau
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053875229
PECOS PAC ID: 8628311685
Enrollment ID: O20190522000541

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mohammad Ali Abbass is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mohammad Ali Abbass, MD
259 E Erie St Ste 1600,
Chicago, IL 60611-3111

Ph: (312) 695-5620		Dr Mohammad Ali Abbass, MD
259 E Erie St Ste 1600,
Chicago, IL 60611-3111

Ph: (312) 695-5620

Reviews and Comments



Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.