Dr Dianne M Sawyer, MD - Medicare Obstetrics & Gynecology in Chicago, IL

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Dr Dianne M Sawyer, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecology" physician in Chicago, Illinois. Her current practice location is 680 N. Lake Shore Drive, Suite 824, Chicago, Illinois. You can reach out to her office (for appointments etc.) via phone at (312) 943-3300.

Dr Dianne M Sawyer is licensed to practice in Illinois (license number 036-057377) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1093931677.

Contact Information

Dr Dianne M Sawyer, MD
680 N. Lake Shore Drive, Suite 824,
Chicago, IL 60611
(312) 943-3300
(312) 266-4591

Map and Direction




Physician's Profile

Full NameDr Dianne M Sawyer
GenderFemale
SpecialityObstetrics & Gynecology - Gynecology
Location680 N. Lake Shore Drive, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1093931677
  • Provider Enumeration Date: 04/18/2007
  • Last Update Date: 09/28/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 0345568267
  • Enrollment ID: I20150519001396

Medical Identifiers

Medical identifiers for Dr Dianne M Sawyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093931677NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VG0400XObstetrics & Gynecology - Gynecology 036-057377 (Illinois)Primary

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 Dianne M Sawyer allows following entities to bill medicare on her behalf.
Entity NameLakeshore Obstetrics And Gynecology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588651319
PECOS PAC ID: 8729051107
Enrollment ID: O20040813001057

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 Dianne M Sawyer 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 Dianne M Sawyer, MD
680 N. Lake Shore Drive, Suite 824,
Chicago, IL 60611

Ph: (312) 943-3300		Dr Dianne M Sawyer, MD
680 N. Lake Shore Drive, Suite 824,
Chicago, IL 60611

Ph: (312) 943-3300

Reviews and Comments


Obstetrics & Gynecology Doctors in Chicago, IL

Elizabeth Isak,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 680 N Lake Shore Dr Ste 810, Chicago, IL 60611
Phone: 312-926-8811    Fax: 312-926-8855
Malavika Kalyani Perinchery, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5841 S Maryland Ave # Mc2050, Chicago, IL 60637
Phone: 773-834-0598    
Margaret C Schermerhorn, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1620 W Harrison St, Chicago, IL 60612
Phone: 312-942-5000    
Maria Teresa Tam, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2845 N Sheridan Rd, Ste 902, Chicago, IL 60657
Phone: 773-904-8641    Fax: 872-888-1206
Mr. Clyde Harris Lawson, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 8234 S. Ashland Avenue, Chicago, IL 60620
Phone: 773-874-1400    Fax: 773-874-9245
Rebekah Osgood, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 680 N Lake Shore Dr Ste 810, Chicago, IL 60611
Phone: 312-926-3627    Fax: 312-587-9802
Dr. Sarah Hoque, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 2001 S California Ave, Chicago, IL 60608
Phone: 773-584-6200    

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.

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