NPPES file of Aug 9, 2026

David L. Oviatt, MD

Hematology (Internal Medicine) Physician · Grand Rapids, MI

David L. Oviatt, MD is a hematology (internal medicine) physician with a practice address in Grand Rapids, Michigan, and NPI 1164428298, issued on Jun 23, 2005. Check the license (Michigan DO041780, 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
1164428298
Name
David L. Oviatt
Credential
MD
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
DO041780 MI
Self-reported in NPPES; status is on the state search
Practice location
3230 Eagle Park Dr NE, Grand Rapids, MI 49525
Phone
(616) 949-7079
Enumerated
Jun 23, 2005
Record last updated
Jul 13, 2026
Fax
(616) 949-1887
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3230 Eagle Park Dr NE

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

  1. Kimberly Agim, NPNurse Practitioner1912243056
  2. William Dodds, M.D.Specialist1114983426
  3. Samantha Emerson, PA-CPhysician Assistant1083595268
  4. David Figg, M.D.Surgery Physician1700882024
  5. Andrea Gillon, NPFamily Nurse Practitioner1952799850
  6. Louis Marks, M.D.Hematology (Internal Medicine) Physician1588660468

Verify David L. Oviatt 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 DO041780
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

14 Medicare Part D claims, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D.

  1. David Oviatt14
  2. Specialty average496

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.

David L. Oviatt among 57 hematology (internal medicine) physician records in Michigan

David L. Oviatt, MD is one of 57 hematology (internal medicine) physician records with a practice address in Michigan. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 79% of these records are
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in Michigan

There are 57 hematology (internal medicine) physician records in Michigan.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Louis Marks, M.D.Grand Rapids, MI 495251588660468
  2. John O'Donnell, M.D.Grand Rapids, MI 495251811993702
  3. Yazan Migdady, M.D.Wyoming, MI 495191306157458
  4. Luke Eastburg, MDGrand Rapids, MI 495461649626508
  5. Sonya Inderbitzin-Fischer, MDGrand Rapids, MI 495461184128670
  6. Syed Muneer Abidi, MDGrand Rapids, MI 495031922045525
  7. Rupin ShahGrand Rapids, MI 495031073932695
  8. Eric Granowicz, M.D.Jackson, MI 492011750776985

Common questions

What is David L. Oviatt, MD's NPI number?

David L. Oviatt, MD's National Provider Identifier (NPI) is 1164428298, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David L. Oviatt, MD located?

The NPPES record lists a practice address at 3230 Eagle Park Dr NE, Grand Rapids, MI, 49525. Phone: (616) 949-7079. Providers update this record themselves, so call before visiting.

How can I verify David L. Oviatt, MD's license?

NPPES lists Michigan license number DO041780, 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 David L. Oviatt, MD prescribe under Medicare Part D?

In 2024, David L. Oviatt, MD had 14 Medicare Part D claims; the average among hematology (internal medicine) physician prescribers was 496. 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.