Mrs Mary Chao, DO - Medicare Internal Medicine in Lansing, MI

Mrs Mary Chao, DO is a medicare enrolled "Internal Medicine" physician in Lansing, Michigan. She went to Michigan State University College Of Osteopathic Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Mclaren Greater Lansing and her current practice location is 1540 Lake Lansing Rd, Suite 102, Lansing, Michigan. You can reach out to her office (for appointments etc.) via phone at (517) 913-3810.

Mrs Mary Chao is licensed to practice in Michigan (license number 5101016242) 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 1881814002.

Contact Information

Mrs Mary Chao, DO
1540 Lake Lansing Rd, Suite 102,
Lansing, MI 48912-3756
(517) 913-3810
(517) 913-3811

Map and Direction




Physician's Profile

Full NameMrs Mary Chao
GenderFemale
SpecialityInternal Medicine
Experience20 Years
Location1540 Lake Lansing Rd, Lansing, Michigan
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:
  • Mrs Mary Chao attended and graduated from Michigan State University College Of Osteopathic Medicine in 2004
  NPI Data:
  • NPI Number: 1881814002
  • Provider Enumeration Date: 04/27/2007
  • Last Update Date: 09/11/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 6103917091
  • Enrollment ID: I20070807000419

Medical Identifiers

Medical identifiers for Mrs Mary Chao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881814002NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 5101016242 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mclaren Home HealthLansing, MIHome health agency
Mclaren Greater LansingLansing, MIHospital
Edward W Sparrow HospitalLansing, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mclaren Greater Lansing7214833466101

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. Mrs Mary Chao allows following entities to bill medicare on her behalf.
Entity NameMclaren Greater Lansing
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962808162
PECOS PAC ID: 7214833466
Enrollment ID: O20150102001519

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. Mrs Mary Chao 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
Mrs Mary Chao, DO
1540 Lake Lansing Rd, Suite 102,
Lansing, MI 48912-3756

Ph: (517) 913-3810
Mrs Mary Chao, DO
1540 Lake Lansing Rd, Suite 102,
Lansing, MI 48912-3756

Ph: (517) 913-3810

Reviews and Comments


Internal Medicine Doctors in Lansing, MI

Dr. Harry James Mccoy, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1540 Lake Lansing Rd, Ste 201, Lansing, MI 48912
Phone: 517-913-3900    Fax: 517-913-3901
Ali H. Sheikh, D.O
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1140 E Michigan Ave Ste 400, Lansing, MI 48912
Phone: 517-364-9650    Fax: 517-364-9605
Georgette Nader, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1215 E Michigan Ave, Lansing, MI 48912
Phone: 517-253-8366    
Salma Mohamed, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1215 E Michigan Ave, Lansing, MI 48912
Phone: 517-364-1000    
Dr. Cynthia S. Boynton, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1540 Lake Lansing Rd, Ste 201, Lansing, MI 48912
Phone: 517-913-3900    Fax: 517-913-3901
Fadi Mohammadsaeed S Alreefi, M.D
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1140 E Michigan Ave Ste 400, Lansing, MI 48912
Phone: 419-921-2531    Fax: 517-364-9605
Adam Basha, D.O.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1215 E Michigan Ave, Lansing, MI 48912
Phone: 517-364-1000    

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).

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