NPPES file of Aug 9, 2026

Marilena C. Oravitan, MD

Internal Medicine Physician · Grand Haven, MI

Marilena C. Oravitan, MD is an internal medicine physician with a practice address in Grand Haven, Michigan, and NPI 1891752168, issued on Apr 28, 2006. Check the license (Michigan 4301089425, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891752168
Name
Marilena C. Oravitan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
4301089425 MI
116 ZZ
Self-reported in NPPES; status is on the state search
Practice location
1310 Wisconsin St, Grand Haven, MI 49417
Phone
(616) 844-4701
Enumerated
Apr 28, 2006
Record last updated
Jan 31, 2022
Fax
(616) 847-1863
Medicare enrollment
Enrolled (PECOS I20071218000361); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1310 Wisconsin St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stanley Haegert, MDFamily Medicine Physician1154405009
  2. Lauren Malinowski, MSWSocial Worker1154065357
  3. Rachel Scott, NPFamily Nurse Practitioner1285270736

Verify Marilena C. Oravitan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301089425
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.6 times the Medicare Part D claims of the average internal medicine physician in 2024

8,154 Medicare Part D claims for 655 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 133 claims were for opioids.

  1. Marilena Oravitan8,154
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium441 claims
  2. Levothyroxine Sodium422 claims
  3. Amlodipine Besylate396 claims
  4. Losartan Potassium301 claims
  5. Gabapentin256 claims
  6. Rosuvastatin Calcium223 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mercy Physician NetworkMuskegon, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marilena C. Oravitan among 5,735 internal medicine physician records in Michigan

Marilena C. Oravitan, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1991 · median 2006 among the 3,564 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 internal medicine physician records list a practice address in Grand Haven

They are 13 of the 665 NPPES records with a practice address in Grand Haven, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Alguire, M.D.Grand Haven, MI 494171952303117
  2. Nina Bryhn, MDGrand Haven, MI 494171811676430
  3. Edward Hatt, MDGrand Haven, MI 494171770587008
  4. James Heyboer, MDGrand Haven, MI 494171255548442
  5. Carlyn Hoeppner, MDGrand Haven, MI 494171447678115
  6. Julie Kowacz, MDGrand Haven, MI 494171235231309
  7. Lauren Lane, D.O.Grand Haven, MI 494171225299928
  8. John Mc Aree, MDGrand Haven, MI 494171902845654

Common questions

What is Marilena C. Oravitan, MD's NPI number?

Marilena C. Oravitan, MD's National Provider Identifier (NPI) is 1891752168, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marilena C. Oravitan, MD located?

The NPPES record lists a practice address at 1310 Wisconsin St, Grand Haven, MI, 49417. Phone: (616) 844-4701. Providers update this record themselves, so call before visiting.

How can I verify Marilena C. Oravitan, MD's license?

NPPES lists Michigan license number 4301089425, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marilena C. Oravitan, MD prescribe under Medicare Part D?

In 2024, Marilena C. Oravitan, MD had 8,154 Medicare Part D claims for 655 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.