Mary Elizabeth Dial, M.D.
Family Medicine Physician · Ojai, CA
Mary Elizabeth Dial, M.D. is a family medicine physician with a practice address in Ojai, California, and NPI 1962468553, issued on Apr 24, 2006. Check the license (California G48638, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Dial
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G48638 CA
Self-reported in NPPES; status is on the state search - Practice location
- 117 Pirie RD, Ojai, CA 93023
- Phone
- (805) 646-7246
- Enumerated
- Apr 24, 2006
- Record last updated
- Oct 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 646-8936
- Medicaid ID
- YYY49311Y CA
- Medicare enrollment
- Enrolled (PECOS I20080304000694); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 117 Pirie RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda ConradFamily Nurse Practitioner1982810073
- Bonnie Griffin, PAPhysician Assistant1801985114
- Carl Gross, M.D.Family Medicine Physician1497711451
- James Halverson, M.D.Family Medicine Physician1720044787
- Mary Nelson, FNP-CFamily Nurse Practitioner1285846220
- Irina Rodriguez, D.D.S.General Practice Dentistry1780711580
Verify Mary Elizabeth Dial in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average family medicine physician in 2024
6,340 Medicare Part D claims for 873 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 257 claims were for opioids.
Most prescribed
- Atorvastatin Calcium586 claims
- Levothyroxine Sodium328 claims
- Losartan Potassium270 claims
- Amlodipine Besylate225 claims
- Hydrocodone-Acetaminophen213 claims
- Lisinopril172 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Primary Medical Group OF Ventura County IncOjai, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth Dial among 17,133 family medicine physician records in California
Mary Elizabeth Dial, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1981 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 17,133 in California → Every provider in Ojai → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sterling Adams, DOOjai, CA 930231629539887
- Preston Arndt, M.D.Ojai, CA 930231346303336
- Daniel Demirchyan, MDOjai, CA 930231740639046
- Kristyna Fong, D.O.Ojai, CA 930231801294657
- Carl Gross, M.D.Ojai, CA 930231497711451
- Hans Gruenn, M.D.Ojai, CA 930231649398371
- James Halverson, M.D.Ojai, CA 930231720044787
- Maria Halvorson, DOOjai, CA 930231164446704
Common questions
What is Mary Elizabeth Dial, M.D.'s NPI number?
Mary Elizabeth Dial, M.D.'s National Provider Identifier (NPI) is 1962468553, issued on Apr 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Dial, M.D. located?
The NPPES record lists a practice address at 117 Pirie RD, Ojai, CA, 93023. Phone: (805) 646-7246. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Dial, M.D.'s license?
NPPES lists California license number G48638, 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 Mary Elizabeth Dial, M.D. prescribe under Medicare Part D?
In 2024, Mary Elizabeth Dial, M.D. had 6,340 Medicare Part D claims for 873 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mary Elizabeth Dial, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.