Marilena C Oravitan, MD - Medicare Internal Medicine in Grand Haven, MI

Marilena C Oravitan, MD is a medicare enrolled "Internal Medicine" physician in Grand Haven, Michigan. She graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Mercy Physician Network and her current practice location is 1310 Wisconsin St, Suite 100, Grand Haven, Michigan. You can reach out to her office (for appointments etc.) via phone at (616) 844-4701.

Marilena C Oravitan is licensed to practice in Michigan (license number 4301089425) 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 1891752168.

Contact Information

Marilena C Oravitan, MD
1310 Wisconsin St, Suite 100,
Grand Haven, MI 49417-2472
(616) 844-4701
(616) 847-1863

Map and Direction




Physician's Profile

Full NameMarilena C Oravitan
GenderFemale
SpecialityInternal Medicine
Experience33 Years
Location1310 Wisconsin St, Grand Haven, 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:
  • Marilena C Oravitan graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1891752168
  • Provider Enumeration Date: 04/28/2006
  • Last Update Date: 01/31/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1254394737
  • Enrollment ID: I20071218000361

Medical Identifiers

Medical identifiers for Marilena C Oravitan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891752168NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 116 (ZZ)Secondary
207R00000XInternal Medicine 4301089425 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Health Hackley CampusMuskegon, MIHospital
North Ottawa Community Health SystemGrand haven, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Physician Network892199630798

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. Marilena C Oravitan allows following entities to bill medicare on her behalf.
Entity NameMercy Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023056744
PECOS PAC ID: 8921996307
Enrollment ID: O20040308000687

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. Marilena C Oravitan 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
Marilena C Oravitan, MD
1310 Wisconsin St Ste 101,
Grand Haven, MI 49417-2472

Ph: (616) 296-1600
Marilena C Oravitan, MD
1310 Wisconsin St, Suite 100,
Grand Haven, MI 49417-2472

Ph: (616) 844-4701

Reviews and Comments


Internal Medicine Doctors in Grand Haven, MI

Dr. Jennifer Doublestein Sandy, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1310 Wisconsin St, Suite 101, Grand Haven, MI 49417
Phone: 616-844-4701    Fax: 616-847-1863
Logan Walker, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15100 Whittaker Way, Grand Haven, MI 49417
Phone: 616-935-6320    
Lauren Elisabeth Lane, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15100 Whittaker Way, Grand Haven, MI 49417
Phone: 616-935-6320    
Julie M Kowacz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15100 Whittaker Way, Grand Haven, MI 49417
Phone: 616-935-6210    
James Peter Heyboer Ii, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1310 Wisconsin St Ste 100, Grand Haven, MI 49417
Phone: 616-296-1600    Fax: 616-296-1602
Joseph Daniel Ortiz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15100 Whittaker Way, Grand Haven, MI 49417
Phone: 616-935-6320    
Carlyn Ann Hoeppner, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 15100 Whittaker Way, Grand Haven, MI 49417
Phone: 616-935-6320    

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.