Nader A. Kashani, MD
Hematology & Oncology Physician · Irvine, CA
Nader A. Kashani, MD is a hematology & oncology physician with a practice address in Irvine, California, and NPI 1285793893, issued on Dec 8, 2006. Check the license (California G66680, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nader A. Kashani
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- G66680 CA
MD-23891 HI
Self-reported in NPPES; status is on the state search - Practice location
- 113 Waterworks Way Ste 245, Irvine, CA 92618
- Phone
- (949) 777-5970
- Enumerated
- Dec 8, 2006
- Record last updated
- Apr 29, 2025
- Fax
- (949) 649-7447
- Medicare enrollment
- Enrolled (PECOS I20240219003873); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 113 Waterworks Way Ste 245
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Fallah, PSYDPsychologist1528312741
- Zahra Ghiasi, MDOphthalmology Physician1669520490
Verify Nader A. Kashani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
144 Medicare Part D claims for 72 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 14 claims were for opioids.
Most prescribed
- Acyclovir12 claims
- Atovaquone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $411.08
20 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Hilo Benioff Medical CenterHilo, HI · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nader A. Kashani among 1,583 hematology & oncology physician records in California
Nader A. Kashani, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1988 · median 2003 among the 1,124 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Irvine → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Rafi Ahmed, MDIrvine, CA 926181205093028
- Tiffanie Do, M.D.Irvine, CA 926181194251710
- Sudarsan Kollimuttathuillam, MDIrvine, CA 926181902324528
- Lisa Lee, M.D.Irvine, CA 926181144583733
- David Lou, M.D., PH.D.Irvine, CA 926181477729861
- Charisma Mylavarapu, D.O.Irvine, CA 926181477117653
- Tara SeeryIrvine, CA 926181043415961
- Nerses Tchekmedyian, M.D.Irvine, CA 926181821032129
Common questions
What is Nader A. Kashani, MD's NPI number?
Nader A. Kashani, MD's National Provider Identifier (NPI) is 1285793893, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nader A. Kashani, MD located?
The NPPES record lists a practice address at 113 Waterworks Way Ste 245, Irvine, CA, 92618. Phone: (949) 777-5970. Providers update this record themselves, so call before visiting.
How can I verify Nader A. Kashani, MD's license?
NPPES lists California license number G66680, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nader A. Kashani, MD prescribe under Medicare Part D?
In 2024, Nader A. Kashani, MD had 144 Medicare Part D claims for 72 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Nader A. Kashani, MD's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.