Ari Umutyan, M.D.
Medical Oncology Physician · Saint Helena, CA
Ari Umutyan, M.D. is a medical oncology physician with a practice address in Saint Helena, California, and NPI 1275516171, issued on Nov 23, 2005. Check the license (California A76240, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ari Umutyan
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A76240 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Woodland RD, Saint Helena, CA 94574
- Phone
- (707) 967-5721
- Enumerated
- Nov 23, 2005
- Record last updated
- Feb 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20070508000430); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 10 Woodland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nora Allen, RN, CNSAcute Care Clinical Nurse Specialist1710481932
- Stephen Banks, MDRadiation Oncology Physician1770680852
- Wendy Battistini, PTPhysical Therapist1215888276
- Julie Butulia, RDRegistered Dietitian1679376891
- Danny Cao, PHARMACISTPharmacist1447069570
- David Carelock, CRNACertified Registered Nurse Anesthetist1790773596
Verify Ari Umutyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average medical oncology physician in 2024
952 Medicare Part D claims for 187 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims. 34 claims were for opioids.
Most prescribed
- Anastrozole85 claims
- Letrozole75 claims
- Eliquis53 claims
- Xtandi48 claims
- Hydroxyurea37 claims
- Jakafi35 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.
Industry payments in 2024: $1,698.42
67 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Bills Medicare through 2 group practices
- Adventist Health Physicians NetworkNapa, CA
- St. Helena HospitalSaint Helena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ari Umutyan among 447 medical oncology physician records in California
Ari Umutyan, M.D. is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2000 · median 2004 among the 312 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Saint Helena → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Abinav Baweja, MDPleasanton, CA 945881770961575
- Barbara Egan, M.D.Pleasanton, CA 945881154418622
- Ruby Maini, MDPleasanton, CA 945881063906063
- Kavitha Raj, MDPleasanton, CA 945881053450767
- Rishi Sawhney, M.D.Pleasanton, CA 945881881812519
- Vandana Sharma, M.D., PHD.Newark, CA 945601902837362
- Thomas Yang Sun, MDPleasanton, CA 945881215468160
- Michael Henderson, M.D.Napa, CA 945591144219585
Common questions
What is Ari Umutyan, M.D.'s NPI number?
Ari Umutyan, M.D.'s National Provider Identifier (NPI) is 1275516171, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ari Umutyan, M.D. located?
The NPPES record lists a practice address at 10 Woodland RD, Saint Helena, CA, 94574. Phone: (707) 967-5721. Providers update this record themselves, so call before visiting.
How can I verify Ari Umutyan, M.D.'s license?
NPPES lists California license number A76240, 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 Ari Umutyan, M.D. prescribe under Medicare Part D?
In 2024, Ari Umutyan, M.D. had 952 Medicare Part D claims for 187 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
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.