Karo Arzoo, M.D.
NPI 1306862859 · Hematology & Oncology Physician · Burbank, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karo Arzoo, M.D. is a Hematology & Oncology Physician provider in Burbank, CA (NPI 1306862859).
Provider details
- NPI number
- 1306862859
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A64524 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,137 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 2,208 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,941 | $138 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 595 | $17 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 342 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 337 | $149 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 133 | 48 |
| Letrozole | 123 | 21 |
| Potassium Chloride | 121 | 30 |
| Apixabanbrand: Eliquis | 113 | 28 |
| Anastrozole | 107 | 27 |
| Rivaroxabanbrand: Xarelto | 100 | 15 |
| Gabapentin | 98 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,532 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2019-11-13
Frequently asked questions
- What is Karo Arzoo's NPI number?
- Karo Arzoo's National Provider Identifier (NPI) is 1306862859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karo Arzoo's specialty?
- Karo Arzoo is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Karo Arzoo located?
- Karo Arzoo's practice location on file with NPPES is 201 S Buena Vista St Ste 200, Burbank, CA 91505-4570.
- What is Karo Arzoo's phone number?
- The practice phone number listed in the NPPES registry for Karo Arzoo is (818) 842-8252.
- Does Karo Arzoo accept Medicare?
- Karo Arzoo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karo Arzoo's NPI active?
- Yes — Karo Arzoo's NPI (1306862859) is active in the NPPES registry as of the last update on 2019-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.