DR. JAMES OU JIN (M.D.) – Hematology & Oncology Physician, NPI 1215900311
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
126 MEDICAL ONCOLOGY in IN
Provider Addresses for DR. JAMES OU JIN (M.D.)
303 S Nappanee St
Elkhart, IN 465142066
Phone: (574) 296-3307
Fax: (574) 296-3328
Type: Location
Elkhart Post Office, 263, Northwest Main Street, Elkhart, Polk County, Iowa, 50073, United States
ELKHART, IN 465152968
Phone: (574) 296-3307
Fax: (574) 296-3328
Type: Mailing
621 MEMORIAL DR STE 100
SOUTH BEND, IN 466011063
Phone: (574) 647-1100
Fax: (574) 647-3148
Type: Location
South Nappanee Street, Elkhart, Elkhart County, Indiana, 46514, United States of America
ELKHART, IN 465142066
Phone: (574) 296-3307
Fax: (574) 296-3328
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 328 Open Payments records for all available years, with a total value of $6,380.
Total Amount is formed as General ($6,380) + Research ($0) + Ownership ($0) = $6,380.
Last reported payment date: 2024-09-30 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($831).
Total Amount
$6,380
General + Research + Ownership
Payments
328
Total payment records
General Amount
$6,380
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $831 |
| PFIZER INC. | $431 |
| Celgene Corporation | $304 |
| Seagen Inc. | $260 |
| AstraZeneca Pharmaceuticals LP | $220 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-01-31
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060131000341 | I | Medical Oncology | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 45,000 | 26 | $0 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 19,300 | 15 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 12,300 | 17 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 11,800 | 12 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 10,160 | 101 | $0 |
Insurance plans in this area (ZIP 46514)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | IN | 71250 | CT scan chest | 19 | 11 |
| HEMATOLOGY/ONCOLOGY | IN | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 115 | 72 |
| HEMATOLOGY/ONCOLOGY | IN | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 22 | 17 |
| HEMATOLOGY/ONCOLOGY | IN | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 343 | 44 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IN | |
| - | IN | |
| Vascular Surgery | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IN | |
| Qualified Audiologist | IN | |
| Nurse Practitioner | IN | |
| - | IN | |
| Nurse Practitioner | IN | |
| - | IN | |
| General Surgery | IN |
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