Mary T Riggs, DO - Medicare Obstetrics/gynecology in Crystal Lake, IL

Mary T Riggs, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Crystal Lake, Illinois. She went to Midwestern University, Chicago College Of Osteopathic Med and graduated in 1993 and has 31 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Central Dupage Physician Group and her current practice location is 750 E Terra Cotta Ave Ste B, Crystal Lake, Illinois. You can reach out to her office (for appointments etc.) via phone at (815) 356-2323.

Mary T Riggs is licensed to practice in Illinois (license number 036-092162) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1285799627.

Contact Information

Mary T Riggs, DO
750 E Terra Cotta Ave Ste B,
Crystal Lake, IL 60014-3621
(815) 356-2323
(815) 455-8130

Map and Direction




Physician's Profile

Full NameMary T Riggs
GenderFemale
SpecialityObstetrics/gynecology
Experience31 Years
Location750 E Terra Cotta Ave Ste B, Crystal Lake, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mary T Riggs attended and graduated from Midwestern University, Chicago College Of Osteopathic Med in 1993
  NPI Data:
  • NPI Number: 1285799627
  • Provider Enumeration Date: 12/26/2006
  • Last Update Date: 09/03/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4880684760
  • Enrollment ID: I20100612000103

Medical Identifiers

Medical identifiers for Mary T Riggs such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285799627NPI-NPPES
036092162 1MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 036-092162 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Medicine Mchenry HospitalMchenry, ILHospital
Central Dupage HospitalWinfield, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Central Dupage Physician Group58906962311025

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. Mary T Riggs allows following entities to bill medicare on her behalf.
Entity NameMercy Health System Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598718603
PECOS PAC ID: 7416860440
Enrollment ID: O20031111000307
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. Mary T Riggs 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
Mary T Riggs, DO
750 E Terra Cotta Ave Ste B,
Crystal Lake, IL 60014-3621

Ph: (815) 356-2323
Mary T Riggs, DO
750 E Terra Cotta Ave Ste B,
Crystal Lake, IL 60014-3621

Ph: (815) 356-2323

Reviews and Comments


Obstetrics & Gynecology Doctors in Crystal Lake, IL

Shannon Watley, DO
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 360 Station Drive, 3rd Floor, Crystal Lake, IL 60014
Phone: 815-477-2310    Fax: 815-356-2335
Dr. Michele S Perlis, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 260 E Congress Pkwy, Crystal Lake, IL 60014
Phone: 815-477-0300    Fax: 815-477-0301
Heather Beall, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 260 E Congress Pkwy, Crystal Lake, IL 60014
Phone: 815-477-0300    
Dr. Michelle Yvonne Karney, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 31 N Virginia St, Crystal Lake, IL 60014
Phone: 815-585-3002    
Neelam R Gandhi, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 260 E Congress Pkwy Ste A, Crystal Lake, IL 60014
Phone: 815-477-0300    Fax: 815-477-0301
Dr. Kathleen A Salus, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 260 E Congress Pkwy, Crystal Lake, IL 60014
Phone: 815-477-0300    Fax: 815-477-0300

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.