Doctor profile · Federal record
Dr. Mayumi Oka, MD
Diagnostic Radiology Physician · Merrillville, IN
- NPI 1417902388
- MIPS 78.8 / 100 · 2023
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8701 Broadway
Merrillville, IN 464107035
(219) 738-5565
fax (219) 738-6714 - Mailing address
-
55 E 86Th Ave, Po Box 10645
Merrillville, IN 464106382
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 9, 2008
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Indiana #01060110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417902388. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
262
Distinct HCPCS
8
Medicare allowed
$14,884
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
70450 |
Ct scan head or brain without contrast | 105 | 103 | $37 | |
72125 |
Ct scan of upper spine without contrast | 37 | 37 | $45 | |
70551 |
Mri scan of brain without contrast | 31 | 31 | $67 | |
70553 |
Mri scan of brain before and after contrast | 30 | 29 | $103 | |
72141 |
Mri scan of upper spinal canal without contrast | 17 | 17 | $65 | |
70498 |
Ct scan of blood vessels of neck with contrast | 15 | 15 | $73 | |
72148 |
Mri scan of lower spinal canal without contrast | 15 | 15 | $67 | |
70496 |
Ct scan of blood vessels of head with contrast | 12 | 12 | $79 |
In context: peer comparison
Among 1 peers in Merrillville Diagnostic Radiology Physician, average services per provider: 32. This provider delivers 8.2× the peer median.Frequently asked questions
What is Dr. Mayumi Oka's medical specialty?
Dr. Mayumi Oka practices Diagnostic Radiology Physician in Merrillville, IN.
Where does Dr. Mayumi Oka practice?
Dr. Mayumi Oka practices at 8701 Broadway, Merrillville, IN 464107035. Office phone: 2197385565.
What is Dr. Mayumi Oka's NPI?
Dr. Mayumi Oka's National Provider Identifier (NPI) is 1417902388, issued by NPPES.
What procedures does Dr. Mayumi Oka commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Ct scan of upper spine without contrast (HCPCS 72125); Mri scan of brain without contrast (HCPCS 70551). Source: CMS Medicare Physician & Other Practitioners file.