Mayumi Oka, MD
Diagnostic Radiology Physician · Merrillville, IN
Mayumi Oka, MD is a diagnostic radiology physician with a practice address in Merrillville, Indiana, and NPI 1417902388, issued on May 22, 2006. Check the license (Indiana 01060110, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Mayumi Oka
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 01060110 IN
Self-reported in NPPES; status is on the state search - Practice location
- 8701 Broadway, Merrillville, IN 46410
- Phone
- (219) 738-5565
- Enumerated
- May 22, 2006
- Entity
- Type 1 · individual
Also registered at 8701 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Avidano, CAAAnesthesiologist Assistant1982403374
- Geoffrey Bauer, MDEmergency Medicine Physician1114912326
- Thomas Bebekoski, MDEmergency Medicine Physician1508327933
- Jenee Bhuju, M.D.Student in an Organized Health Care Education/Training Program1578918108
- Kim Buford, FNPNurse Practitioner1164193512
- Anna Marie CastilloPhysical Therapist1487272175
Verify Mayumi Oka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01060110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 78.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Diagnostic Radiology Physician providers in Indiana
There are 695 diagnostic radiology physician records in Indiana.
Other diagnostic radiology physician records in Indiana
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- Abdelrahman Abdalla, MDSalem, IN1477729234
- Eric Abshire, DOIndianapolis, IN1700454931
- Luther Adair, M.D.Fort Wayne, IN1932316429
- Atul Agarwal, M.D.Indianapolis, IN1235356072
- David Agarwal, M.D.Indianapolis, IN1255373395
- Sandeep Ahluwalia, MDIndianapolis, IN1780710111
- Shakeeb Ahmad, M.D.Indianapolis, IN1427477298
- Alex Aisen, MDIndianapolis, IN1437191343
Common questions
What is Mayumi Oka, MD's NPI number?
Mayumi Oka, MD's National Provider Identifier (NPI) is 1417902388, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mayumi Oka, MD located?
The NPPES record lists a practice address at 8701 Broadway, Merrillville, IN, 46410. Phone: (219) 738-5565. Providers update this record themselves, so call before visiting.
How can I verify Mayumi Oka, MD's license?
NPPES lists Indiana license number 01060110, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Mayumi Oka, MD's Medicare quality score?
The 2023 MIPS final score is 78.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.