MARILENA C ORAVITAN MD
NPI 1891752168
Internal Medicine in Grand Haven, MI
About Marilena C Oravitan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARILENA C ORAVITAN MD (NPI 1891752168) is an individual internal medicine provider in Grand Haven, Michigan, licensed in Michigan (4301089425) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marilena C Oravitan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Marilena Oravitan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fruitport, MI 49415
- Reassigned Medicare billing, Michigan enrollment
- 130 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MITrinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MITrinity Health Grand Haven Hospital
Acute Care Hospitals · Grand Haven, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49417 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marilena Oravitan's NPI number?
The NPI number for Marilena Oravitan is 1891752168. It was assigned to this individual provider in the NPPES registry on April 28, 2006.
Where is Marilena Oravitan located?
Marilena Oravitan practices at 1310 Wisconsin St Suite 100, Grand Haven, MI 49417. The listed phone number is (616) 844-4701.
What is Marilena Oravitan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marilena Oravitan enrolled in Medicare?
Yes. Marilena Oravitan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Marilena Oravitan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilena Oravitan reassigns Medicare benefits to Mercy Physician Network (Fruitport, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilena Oravitan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marilena Oravitan accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Marilena Oravitan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marilena Oravitan affiliated with any hospitals?
According to CMS data, Marilena Oravitan is affiliated with Spectrum Health, Trinity Health Muskegon Hospital and Trinity Health Grand Haven Hospital.
When was this NPI record last updated?
The NPPES record for Marilena Oravitan was last updated on January 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marilena C Oravitan, MD · NPI 1891752168
Internal Medicine physician in Grand Haven, Michigan. Individual provider, active in the CMS NPPES registry since April 28, 2006.
## Identity
- **NPI:** 1891752168 (Entity type: Individual)
- **Enumerated:** April 28, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301089425 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1310 WISCONSIN ST, SUITE 100, Grand Haven, MI 49417-2472
- **Phone:** (616) 844-4701 · **Fax:** (616) 847-1863
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Physician Network (NPI 1639502701, Fruitport, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** January 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1891752168) · Data from the CMS NPPES public registry.