Dr. Karo K. Arzoo, MD
- Medicare services, 2024
- 42,034
- Medicare patients, 2024
- 715
- Part D claims, 2024
- 2,952
- Publications
- 3
- MIPS score, 2024
- 88
- Practice address
- 201 S Buena Vista St, Burbank, CA 91505
- Practice phone
- Call (520) 979-6774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Socal Breathe Free ASC LLC
Burbank, California
Find Dr. Arzoo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Karo K. Arzoo is a hematologist and oncologist in Burbank, California
Dr. Arzoo practices at Socal Breathe Free ASC LLC in Burbank, California.
Dr. Arzoo's NPI, 1306862859, was assigned on July 15, 2006. Dr. Arzoo graduated from David Geffen School of Medicine at UCLA in 1996. Dr. Arzoo holds California license A64524.
- NPI
- 1306862859NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305925389
- NPI enumeration date
- July 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (520) 979-6774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karo K. Arzoo practices at Socal Breathe Free ASC LLC in Burbank, California
Dr. Arzoo's primary practice is Socal Breathe Free ASC LLC, at 201 S Buena Vista St, Burbank, CA 91505 in Los Angeles County. The practice phone is (520) 979-6774.
- Socal Breathe Free ASC LLC201 S Buena Vista St, Burbank, CA 91505 · Los Angeles CountyPhone(520) 979-6774
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Karo K. Arzoo is affiliated with 8 sites of care and 1 medical group
Dr. Arzoo's primary practice is Socal Breathe Free ASC LLC in Burbank, California. Dr. Arzoo is also affiliated with Providence Saint Joseph Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Arzoo to 3 more hospitals, 1 group practice or clinic, 1 home health agency and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karo K. Arzoo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arzoo practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Socal Breathe Free ASC LLC | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karo K. Arzoo is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Arzoo's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Arzoo is board certified in hematology by the American Board of Internal Medicine. Dr. Arzoo is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), fluid and electrolyte imbalances and immune deficiency disease among the conditions Dr. Arzoo treats.
Hematologists and oncologists near Dr. Arzoo
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karo K. Arzoo billed Medicare for 42,034 services in 2024
CMS data shows 42,034 Medicare services from Dr. Arzoo across 37 procedure codes in 2024, for 715 Medicare patients. Medicare paid $1,127,792 for them.
Dr. Arzoo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 14,9872024: 31,017107%
- Other services
- 2023: 3,5812024: 3,22210%
- Office and hospital visits
- 2023: 3,3702024: 3,1836%
- Tests and treatments
- 2023: 2,2992024: 2,2472%
- Lab and pathology
- 2023: 2,1892024: 2,2081%
- Surgery
- 2023: 1362024: 15715%
Where Dr. Arzoo's Medicare services took place, 2024
- In an office41,36698%
- In a facility6682%
Dr. Arzoo compared with the California median for hematologists and oncologists, 2024
- Dr. Arzoo
- California median
- Medicare services
- 42,034vs 93245.1 times
- Medicare patients
- 715vs 2253.2 times
- Part D claims
- 2,430vs 3946.2 times
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Arzoo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Arzoo and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karo K. Arzoo treated 715 Medicare patients in 2024, average age 75
CMS counts 715 Medicare patients who saw Dr. Arzoo in 2024. The largest group is 65 to 74, with 310 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Arzoo's median patient age at 69, with 60% women.
Dr. Arzoo's Medicare patients by age, 2024
Dr. Arzoo's Medicare patients by sex, 2024
- Women42359%
- Men29241%
Chronic conditions among Dr. Arzoo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Cancer46%
- Ischemic heart disease46%
- Diabetes44%
- Mood disorders38%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Arzoo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karo K. Arzoo wrote 2,952 Medicare Part D claims in 2024
In 2024, Dr. Arzoo wrote 2,952 Medicare Part D claims for 355 patients. 71% of them were for generic drugs. CMS names the drug for 2,430 of them, across 71 drugs with 11 or more claims each, at $7,348,242 in total drug cost. In 2023, CMS named 2,598 claims across 78 drugs.
Dr. Arzoo's Part D claims by kind of drug, 2024
- Generic2,090 claims71%
- Brand-name and other862 claims29%
Dr. Arzoo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Arzoo's Part D claims, 2024
- Opioids1%24 of 2,952 claims
- Antibiotics3%76 of 2,952 claims
- Antipsychotics, patients 65 and over1%29 of 2,952 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,5982024: 2,4306%
Drugs named by CMS: 71 in 2024, 78 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Karo K. Arzoo scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Arzoo for performance year 2024, reported as part of a group. Dr. Arzoo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Arzoo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Arzoo's MIPS scores, performance year 2024
- 88of 100Final score
- 79.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Karo K. Arzoo has 3 publications on record
Dmand AI links 3 papers to Dr. Arzoo in 2020. The most frequent topics are Amino Acid Sequence, Histocompatibility Antigens Class II and Hybridomas. Dr. Arzoo has published most often in J Exp Med. Dr. Arzoo's most frequent co-authors are Maurice Julian Berkowitz, MD, David Chan, MD and Paul Herman Coluzzi, MD.
Topics Dr. Arzoo writes about most
- Amino Acid Sequence
- Histocompatibility Antigens Class II
- Hybridomas
- Molecular Sequence Data
- Structure-Activity Relationship
Dr. Arzoo's most frequent co-authors
- Maurice Julian Berkowitz, MD1 shared paper
- David Chan, MD1 shared paper
- Paul Herman Coluzzi, MD1 shared paper
Recent publications by Dr. Arzoo
See who Dr. Arzoo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arzoo works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karo K. Arzoo received $12,000 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Arzoo from 23 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 69% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,819.
General payments to Dr. Arzoo by program year, 2016 to 2025
General payments to Dr. Arzoo by kind, 2016 to 2025
- Consulting fees$8,33569%
- Food and beverage$2,70323%
- Education$7366%
- Travel and lodging$2272%
Companies that paid Dr. Arzoo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karo K. Arzoo graduated from David Geffen School of Medicine at UCLA
Dr. Arzoo graduated from David Geffen School of Medicine at UCLA in 1996. Dr. Arzoo is a member of ASCO.
- Medical school
- Board certified in hematology
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Karo K. Arzoo accepts plans from 14 insurance carriers
Dr. Arzoo is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Arzoo accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Karo K. Arzoo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Karo K. Arzoo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karo K. Arzoo's NPI number?
Dr. Karo K. Arzoo's NPI number is 1306862859. It was assigned on July 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karo K. Arzoo?
Dr. Karo K. Arzoo is a hematologist and oncologist in Burbank, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Karo K. Arzoo practice?
Dr. Arzoo practices at 201 S Buena Vista St, Burbank, CA 91505. Dr. Arzoo's primary practice is Socal Breathe Free ASC LLC in Burbank, California. Dmand AI also links Dr. Arzoo to 3 hospitals, 1 group practice or clinic, 1 home health agency and 1 hospice.
What is Dr. Karo K. Arzoo's office phone number?
The practice phone on file for Dr. Arzoo is (520) 979-6774.
What is Dr. Karo K. Arzoo's medical license number?
Dr. Arzoo holds California license A64524.
Which hospitals is Dr. Karo K. Arzoo affiliated with?
Dr. Arzoo is affiliated with Providence Saint Joseph Medical Center. Dmand AI links Dr. Arzoo to 3 more hospitals.
What medical group is Dr. Karo K. Arzoo part of?
Dr. Arzoo is linked to UCLA Medical Group.
Does Dr. Karo K. Arzoo accept Medicare?
Yes. CMS data shows Dr. Arzoo billed Medicare for 42,034 services in 2024, and Dr. Arzoo accepts Medicare assignment.
Does Dr. Karo K. Arzoo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Arzoo as offering telehealth services.
What is Dr. Karo K. Arzoo's MIPS score?
Dr. Arzoo's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Karo K. Arzoo see?
CMS counts 715 Medicare patients who saw Dr. Arzoo in 2024, with an average age of 75.
Is Dr. Karo K. Arzoo board certified?
Yes. Dr. Arzoo is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Karo K. Arzoo bill to Medicare?
In 2024, Dr. Arzoo's most billed Medicare services were injected or infused drug (J9271), injected or infused drug (J0897) and injected or infused drug (J1453).
Where did Dr. Karo K. Arzoo go to medical school?
Dr. Arzoo graduated from David Geffen School of Medicine at UCLA in 1996.
What drugs does Dr. Karo K. Arzoo prescribe most?
In 2024 Medicare Part D data, Dr. Arzoo's most prescribed drugs by claims were Ondansetron HCl, Letrozole and Potassium Chloride.
Has Dr. Karo K. Arzoo received payments from drug or device companies?
CMS Open Payments shows $12,000 in general payments to Dr. Arzoo from 23 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Karo K. Arzoo been practicing?
Dr. Arzoo graduated from medical school in 1996, 30 years ago.
Does Dr. Karo K. Arzoo do research?
Dmand AI links 3 publications to Dr. Arzoo.
Who does Dr. Karo K. Arzoo publish with?
Dr. Arzoo's most frequent co-authors are Maurice Julian Berkowitz, MD (1 shared paper), David Chan, MD (1 shared paper) and Paul Herman Coluzzi, MD (1 shared paper).
What insurance does Dr. Karo K. Arzoo accept?
Dr. Arzoo is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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