Sameer Ansar, MD - Medicare Endocrinology in Rockford, IL

Sameer Ansar, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Rockford, Illinois. He graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Osf Multi-specialty Group and his current practice location is 5668 E State St, Suite 2000, Rockford, Illinois. You can reach out to his office (for appointments etc.) via phone at (815) 381-7790.

Sameer Ansar is licensed to practice in Illinois (license number 036-119752) 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 1942485735.

Contact Information

Sameer Ansar, MD
5668 E State St, Suite 2000,
Rockford, IL 61108-2490
(815) 381-7790
Not Available

Map and Direction




Physician's Profile

Full NameSameer Ansar
GenderMale
SpecialityEndocrinology
Experience22 Years
Location5668 E State St, Rockford, 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:
  • Sameer Ansar graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1942485735
  • Provider Enumeration Date: 12/31/2007
  • Last Update Date: 09/13/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 9739256298
  • Enrollment ID: I20100423000450

Medical Identifiers

Medical identifiers for Sameer Ansar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942485735NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 036119752 (Illinois)Secondary
207R00000XInternal Medicine 40260 (Arizona)Secondary
207R00000XInternal Medicine 036-119752 (Illinois)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 036-119752 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Osf Saint Anthony Medical CenterRockford, ILHospital
Osf Saint Paul Medical CenterMendota, ILHospital
Cgh Medical CenterSterling, ILHospital
Fhn Memorial HospitalFreeport, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Osf Multi-specialty Group36788897891543

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. Sameer Ansar allows following entities to bill medicare on his behalf.
Entity NameOsf Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279

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. Sameer Ansar 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
Sameer Ansar, MD
5668 E State St, Suite 2000,
Rockford, IL 61108-2490

Ph: (815) 381-7790
Sameer Ansar, MD
5668 E State St, Suite 2000,
Rockford, IL 61108-2490

Ph: (815) 381-7790

Reviews and Comments


Internal Medicine Doctors in Rockford, IL

Dr. Adekola Abioudun Ashaye, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1200 W State St, Rockford, IL 61102
Phone: 815-490-1600    Fax: 815-490-1881
Prasad K. Kilaru, MD
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David R. Mitchell, MD
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Dr. Amrutha Mary George, M.D.
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Practice Location: 1253 N Alpine Rd, Rockford, IL 61107
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Rajyalaxmi Mullapudi, M.D.
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Practice Location: 5666 E State St, Rockford, IL 61108
Phone: 815-226-2000    
Geoffrey Tsaras, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1340 Charles St Ste 404, Rockford, IL 61104
Phone: 779-696-1890    Fax: 779-696-2410
Stephanie Birmingham, APN
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 2400 N Rockton Ave, Rockford, IL 61103
Phone: 815-971-5000    

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).

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