Michael Benefiel, M.D.
Internal Medicine Physician · Fountain Valley, CA
Michael Benefiel, M.D. is an internal medicine physician with a practice address in Fountain Valley, California, and NPI 1861855827, issued on Mar 29, 2016. Check the license (California A153387, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Benefiel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A153387 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17360 Brookhurst St, Fountain Valley, CA 92708
- Phone
- (949) 340-9530
- Enumerated
- Mar 29, 2016
- Entity
- Type 1 · individual
Also registered at 17360 Brookhurst St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gail Frances Liezl Abcede, M.D.Internal Medicine Physician1902216872
- Dustin ArbuckleClinical Social Worker1528715547
- Behnaz Babaknia, PA-CPhysician Assistant1992275093
- Brett BatesStudent in an Organized Health Care Education/Training Program1609315134
- Gina Bell, M.D.Family Medicine Physician1750589032
- Steven Chacko, MDInternal Medicine Physician1164171799
Verify Michael Benefiel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
184 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 12 claims were for opioids.
Most prescribed
- Pantoprazole Sodium19 claims
- Amoxicillin-Clavulanate Potass11 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 Medicare quality score for 2023: 76.7 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).
Bills Medicare through one group practice
- Memorialcare Medical FoundationLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
83 internal medicine physician records list a practice address in Fountain Valley
They are 83 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,696 internal medicine physician records in California.
All 83 in Fountain Valley → All 17,696 in California → Every provider in Fountain Valley →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Michael Benefiel, M.D.'s NPI number?
Michael Benefiel, M.D.'s National Provider Identifier (NPI) is 1861855827, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Benefiel, M.D. located?
The NPPES record lists a practice address at 17360 Brookhurst St, Fountain Valley, CA, 92708. Phone: (949) 340-9530. Providers update this record themselves, so call before visiting.
How can I verify Michael Benefiel, M.D.'s license?
NPPES lists California license number A153387, 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 Michael Benefiel, M.D. prescribe under Medicare Part D?
In 2024, Michael Benefiel, M.D. had 184 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michael Benefiel, M.D.'s Medicare quality score?
The 2023 MIPS final score is 76.7 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), loaded Aug 27, 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) 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 27, 2026.