David Smith Oyer, MD - Medicare Endocrinology in Chicago, IL

David Smith Oyer, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Chicago, Illinois. He went to Harvard Medical School and graduated in 1969 and has 55 years of diverse experience with area of expertise as Endocrinology. His current practice location is 211 E Chicago Ave, Suite 1050, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 944-6677.

David Smith Oyer is licensed to practice in Illinois (license number 036050957) 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 1134226467.

Contact Information

David Smith Oyer, MD
211 E Chicago Ave, Suite 1050,
Chicago, IL 60611-2637
(312) 944-6677
(312) 944-3346



Physician's Profile

Full NameDavid Smith Oyer
GenderMale
SpecialityEndocrinology
Experience55 Years
Location211 E Chicago Ave, 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:
  • David Smith Oyer attended and graduated from Harvard Medical School in 1969
  NPI Data:
  • NPI Number: 1134226467
  • Provider Enumeration Date: 09/20/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0941263677
  • Enrollment ID: I20101228000505

Medical Identifiers

Medical identifiers for David Smith Oyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134226467NPI-NPPES
036050957MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 036050957 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Memorial HospitalChicago, ILHospital
Northwestern Lake Forest HospitalLake forest, ILHospital
Northshore University Healthsystem - Evanston HospitalEvanston, ILHospital

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. David Smith Oyer allows following entities to bill medicare on his behalf.
Entity NameSpecialized Medical Care, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427350776
PECOS PAC ID: 1658569132
Enrollment ID: O20101228000441

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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. David Smith Oyer 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
David Smith Oyer, MD
211 E. Chicago Ave, Suite 1050,
Chicago, IL 60611-2616

Ph: (312) 944-6677
David Smith Oyer, MD
211 E Chicago Ave, Suite 1050,
Chicago, IL 60611-2637

Ph: (312) 944-6677

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Internal Medicine Doctors in Chicago, IL

Dr. Sorin C Danciu, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3134 N Clark St, Chicago, IL 60657
Phone: 773-880-9722    
Anoopa A. Koshy, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 259 E Erie St Ste 2200, Chicago, IL 60611
Phone: 312-926-6000    
William Edmond Gerardi, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 3730 N Lake Shore Dr, Apartment 2a, Chicago, IL 60613
Phone: 773-244-3060    
Suparna Dutta, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1700 W Van Buren St, Suite 500, Chicago, IL 60612
Phone: 312-942-4200    Fax: 312-942-3568
Alexandra Dumitrescu,
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 5841 S Maryland Ave, Chicago, IL 60637
Phone: 888-824-0200    
Dr. Mitesh Mahesh Kabadi, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1725 W Harrison St Ste 1159, Chicago, IL 60612
Phone: 312-942-5020    
Dr. Marta Batus, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 1725 W Harrison St, Suite 809, Chicago, IL 60612
Phone: 312-563-2487    Fax: 312-942-3192

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