Charmaine R Gregory, MD - Medicare Emergency Medicine in Ypsilanti, MI

Charmaine R Gregory, MD is a medicare enrolled "Emergency Medicine" physician in Ypsilanti, Michigan. She went to State University Of New York At Buffalo School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Guam Healthcare Development Incorporated and her current practice location is 5301 Mcauley Dr, Ypsilanti, Michigan. You can reach out to her office (for appointments etc.) via phone at (734) 712-3456.

Charmaine R Gregory is licensed to practice in Guam (license number M-2240) 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 1033156773.

Contact Information

Charmaine R Gregory, MD
5301 Mcauley Dr,
Ypsilanti, MI 48197-1051
(734) 712-3456
Not Available

Map and Direction




Physician's Profile

Full NameCharmaine R Gregory
GenderFemale
SpecialityEmergency Medicine
Experience22 Years
Location5301 Mcauley Dr, Ypsilanti, 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:
  • Charmaine R Gregory attended and graduated from State University Of New York At Buffalo School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1033156773
  • Provider Enumeration Date: 06/01/2006
  • Last Update Date: 04/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0345271268
  • Enrollment ID: I20210224001903

Medical Identifiers

Medical identifiers for Charmaine R Gregory such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033156773NPI-NPPES
104754886MedicaidMI
104754877MedicaidMI
CG085170OtherMIBC/BS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 085170 (Michigan)Secondary
207P00000XEmergency Medicine M-2240 (Guam)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Guam Regional Medical CityDededo, GUHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Guam Healthcare Development Incorporated9234351776129

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. Charmaine R Gregory allows following entities to bill medicare on her behalf.
Entity NameGuam Healthcare Development Incorporated
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326447939
PECOS PAC ID: 9234351776
Enrollment ID: O20150326000266

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. Charmaine R Gregory 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
Charmaine R Gregory, MD
2000 Green Rd, Suite 300,
Ann Arbor, MI 48105-1598

Ph: (734) 995-3764
Charmaine R Gregory, MD
5301 Mcauley Dr,
Ypsilanti, MI 48197-1051

Ph: (734) 712-3456

Reviews and Comments


Emergency Medicine Doctors in Ypsilanti, MI

Dr. Tanya Boldenow,
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Practice Location: 5301 E Huron River Dr, Ypsilanti, MI 48197
Phone: 734-712-3935    
Dr. Monique Reeves, M.D.
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Medicare: Medicare Enrolled
Practice Location: 555 Towner St, Ypsilanti, MI 48198
Phone: 734-544-6869    Fax: 734-544-6704
Kim Marie Smith, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 5301 Mcauley Dr, Ypsilanti, MI 48197
Phone: 734-712-3456    
Robert M Fields, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5301 Mcauley Dr, Ypsilanti, MI 48197
Phone: 734-712-3456    
Joseph Donovan Dixon, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: Iha Palliative Care, 5301 E Huron River Drive Suite 2119, Ypsilanti, MI 48197
Phone: 734-712-7255    
Dr. Lee Benjamin, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 5301 E Huron River Dr, Ypsilanti, MI 48197
Phone: 734-712-3962    

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.