Phyllis C Chang, MD - Medicare Obstetrics & Gynecology in Geneva, IL

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Phyllis C Chang, MD is a medicare enrolled "Obstetrics & Gynecology - Obstetrics" physician in Geneva, Illinois. Her current practice location is 300 Randall Rd, Geneva, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 653-4240.

Phyllis C Chang is licensed to practice in Illinois (license number 036116925) 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 1265654735.

Contact Information

Phyllis C Chang, MD
300 Randall Rd,
Geneva, IL 60134-4200
(630) 653-4240
(630) 938-9190

Map and Direction




Physician's Profile

Full NamePhyllis C Chang
GenderFemale
SpecialityObstetrics & Gynecology - Obstetrics
Location300 Randall Rd, Geneva, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1265654735
  • Provider Enumeration Date: 05/03/2007
  • Last Update Date: 06/04/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9234230897
  • Enrollment ID: I20070726000227

Medical Identifiers

Medical identifiers for Phyllis C Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265654735NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 036116925 (Illinois)Secondary
207VX0000XObstetrics & Gynecology - Obstetrics 036116925 (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. Phyllis C Chang allows following entities to bill medicare on her behalf.
Entity NameDupage Medical Group Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801833983
PECOS PAC ID: 5496667941
Enrollment ID: O20031110000535
Entity NameCentral Dupage Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033149844
PECOS PAC ID: 5890696231
Enrollment ID: O20040303000601

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. Phyllis C Chang 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
Phyllis C Chang, MD
300 Randall Rd,
Geneva, IL 60134-4200

Ph: (630) 653-4240		Phyllis C Chang, MD
300 Randall Rd,
Geneva, IL 60134-4200

Ph: (630) 653-4240

Reviews and Comments


Obstetrics & Gynecology Doctors in Geneva, IL

Dr. Donald Rahim Adeli, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Randall Rd, Geneva, IL 60134
Phone: 630-653-4240    Fax: 630-938-9190
Dr. Michael G Larry, M. D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 351 Delnor Dr Ste 204, Geneva, IL 60134
Phone: 630-653-4240    Fax: 630-938-9190
Dr. Deborah L Hay, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 351 Delnor Dr, Geneva, IL 60134
Phone: 630-208-0784    Fax: 630-208-0981
Heather Anaya, DO
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 302 Randall Rd, Geneva, IL 60134
Phone: 630-938-8300    
Dr. Janeta Dimante, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 302 Randall Rd., Suite 305, Geneva, IL 60134
Phone: 630-262-2751    Fax: 630-262-2755
Aprilee Dawn Velez Gostomski, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 351 Delnor Dr Ste 204, Geneva, IL 60134
Phone: 630-653-4240    Fax: 630-938-9190

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.