KARO K ARZOO (M.D.) – Hematology & Oncology Physician, NPI 1306862859
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,531 HEMATOLOGY/ONCOLOGY in CA
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Provider Addresses for KARO K ARZOO (M.D.)
5767 W CENTURY BLVD STE 400
LOS ANGELES, CA 900455631
Phone:
Type: Mailing
200, South Buena Vista Street, Burbank, Los Angeles County, California, 91505, United States
BURBANK, CA 915054570
Phone: (818) 842-8252
Fax: (818) 841-8252
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 33 Open Payments records for all available years, with a total value of $3,237.
Total Amount is formed as General ($3,237) + Research ($0) + Ownership ($0) = $3,237.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($2,017).
Total Amount
$3,237
General + Research + Ownership
Payments
33
Total payment records
General Amount
$3,237
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $2,017 |
| Dendreon Pharmaceuticals LLC | $230 |
| E.R. Squibb & Sons, L.L.C. | $228 |
| Gilead Sciences, Inc. | $165 |
| Daiichi Sankyo Inc. | $141 |
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: 2012-01-06
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20120106000091 | I | Hematology/Oncology | CA | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 9,780 | 37 | $0 |
| Q5106 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 3,581 | 16 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 2,189 | 551 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 1,860 | 33 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,831 | 497 | $0 |
Insurance plans in this area (ZIP 90045)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | CA | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 565 | 48 |
| HEMATOLOGY/ONCOLOGY | CA | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 161 | 23 |
| HEMATOLOGY/ONCOLOGY | CA | 96415 | Infusion of chemotherapy into a vein | 95 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hospitalist | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Emergency Medicine, Family Practice | CA | |
| Medical Oncology, Hematology/Oncology | CA | |
| Hospitalist, Internal Medicine | MA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| Hospitalist, Internal Medicine | CA |
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