Cesar Mario Chaves, MD - Medicare Obstetrics/gynecology in Owosso, MI

Cesar Mario Chaves, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Owosso, Michigan. He went to Un Of California, Irvine, College Of Medicine and graduated in 1982 and has 42 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Memorial Hospital and his current practice location is 818 W King St Ste Ll, Owosso, Michigan. You can reach out to his office (for appointments etc.) via phone at (989) 729-4292.

Cesar Mario Chaves is licensed to practice in Michigan (license number 4301086974) 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 1457335226.

Contact Information

Cesar Mario Chaves, MD
818 W King St Ste Ll,
Owosso, MI 48867-2116
(989) 729-4292
(989) 725-9012

Map and Direction




Physician's Profile

Full NameCesar Mario Chaves
GenderMale
SpecialityObstetrics/gynecology
Experience42 Years
Location818 W King St Ste Ll, Owosso, Michigan
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:
  • Cesar Mario Chaves attended and graduated from Un Of California, Irvine, College Of Medicine in 1982
  NPI Data:
  • NPI Number: 1457335226
  • Provider Enumeration Date: 12/05/2005
  • Last Update Date: 05/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9931123817
  • Enrollment ID: I20060118000643

Medical Identifiers

Medical identifiers for Cesar Mario Chaves such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457335226NPI-NPPES
1457335226MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 4301086974 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorial HealthcareOwosso, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Memorial Hospital8527976497172

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. Cesar Mario Chaves allows following entities to bill medicare on his behalf.
Entity NameMemorial Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235160532
PECOS PAC ID: 8527976497
Enrollment ID: O20040122000907

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. Cesar Mario Chaves 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
Cesar Mario Chaves, MD
818 W King St Ste Ll,
Owosso, MI 48867-2116

Ph: (989) 729-4292
Cesar Mario Chaves, MD
818 W King St Ste Ll,
Owosso, MI 48867-2116

Ph: (989) 729-4292

Reviews and Comments


Obstetrics & Gynecology Doctors in Owosso, MI

Catherine Kerr Winslow, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 818 W King St, Suite 300, Owosso, MI 48867
Phone: 989-729-4300    
Ira Stanley Frye, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 818 W King St Ste Ll, Owosso, MI 48867
Phone: 989-729-4292    Fax: 989-725-9012
Jessica L Laforest, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1457 N M 52 Ste 2, Owosso, MI 48867
Phone: 989-729-4292    Fax: 989-725-9012
Dr. Erhard Herwig Marz, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1767 S M 52, Owosso, MI 48867
Phone: 989-725-7048    

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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