Mayumi OkaMD
Diagnostic Radiology·Merrillville, IN
Mayumi Oka, MD is a Diagnostic Radiology provider in Merrillville, IN, as of July 2026.
- NPI1417902388
- Registered2006
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Mayumi Oka at a glance
- Provider
- Mayumi Oka
- Credential
- MD
- Specialty
- Diagnostic Radiology
- Procedures
- Diagnostic Radiology CPT codes
- Location
- Merrillville, IN
- NPI registered
- 2006
- NPI
- 1417902388
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Mayumi Oka practice?
Mayumi Oka, MD is based in Merrillville, IN. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mayumi Oka's NPI number?
Mayumi Oka's National Provider Identifier (NPI) is 1417902388, registered in 2006. Specialty on record: Diagnostic Radiology; credential MD.
How many Diagnostic Radiology providers in Indiana work at ambulatory surgery centers?
17 Diagnostic Radiology surgeons and proceduralists in Indiana are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mayumi Oka among them. The Indiana Diagnostic Radiology directory lists each one by city with credential, NPI, and center affiliations.
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