Helen Petroff, M.D.
Family Medicine Physician · Ojai, CA
Helen Petroff, M.D. is a family medicine physician with a practice address in Ojai, California, and NPI 1609881580, issued on Jul 29, 2006. Check the license (California A90925, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helen Petroff
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A90925 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1202 Maricopa Hwy, Ojai, CA 93023
- Phone
- (805) 640-0068
- Enumerated
- Jul 29, 2006
- Record last updated
- Dec 19, 2022
- Fax
- (805) 640-1749
- Medicaid ID
- 00A90925 CA
- Medicare enrollment
- Enrolled (PECOS I20061030000573); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1202 Maricopa Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Halvorson, DOFamily Medicine Physician1164446704
- Anthony Hirsch, MDPediatric Allergy/Immunology Physician1316269038
- Carol Leandro, PTPhysical Therapist1467475020
- Joanna Schindel, PTPhysical Therapist1053334706
Verify Helen Petroff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average family medicine physician in 2024
5,751 Medicare Part D claims for 560 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 360 claims were for opioids.
Most prescribed
- Atorvastatin Calcium340 claims
- Levothyroxine Sodium268 claims
- Amlodipine Besylate266 claims
- Lisinopril247 claims
- Hydrocodone-Acetaminophen220 claims
- Losartan Potassium181 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: $22.81
1 payment: food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Valley Oak Family Practice Medical Group IncOjai, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 family medicine physician records list a practice address in Ojai
They are 13 of the 271 NPPES records with a practice address in Ojai, and 17,133 family medicine physician records in California.
All 13 in Ojai → All 17,133 in California → Every provider in Ojai →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Helen Petroff, M.D.'s NPI number?
Helen Petroff, M.D.'s National Provider Identifier (NPI) is 1609881580, issued on Jul 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Helen Petroff, M.D. located?
The NPPES record lists a practice address at 1202 Maricopa Hwy, Ojai, CA, 93023. Phone: (805) 640-0068. Providers update this record themselves, so call before visiting.
How can I verify Helen Petroff, M.D.'s license?
NPPES lists California license number A90925, 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 Helen Petroff, M.D. prescribe under Medicare Part D?
In 2024, Helen Petroff, M.D. had 5,751 Medicare Part D claims for 560 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.