Maira E. Simental, MD
Radiation Oncology Physician · San Bernardino, CA
Maira E. Simental, MD is a radiation oncology physician with a practice address in San Bernardino, California, and NPI 1891779997, issued on Dec 1, 2005. Check the license (California A67312, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maira E. Simental
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A67312 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 E Highland Ave, San Bernardino, CA 92404
- Phone
- (909) 475-2700
- Enumerated
- Dec 1, 2005
- Record last updated
- Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (909) 475-2738
- Medicaid ID
- 00A673120 CA
- Medicare enrollment
- Enrolled (PECOS I20051003000382); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 401 E Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jay Agarwal, M.D.Nephrology Physician1326091737
- Elaine Agustin, N.P.Nurse Practitioner1992837843
- Dennis Anderson, M.D.Plastic Surgery Physician1609928803
- Brian Benson, PA-CPhysician Assistant1700943107
- William Boyle, PA-CPhysician Assistant1124053715
- Hakob Davtyan, M.D.Specialist1437180676
Verify Maira E. Simental in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A67312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average radiation oncology physician in 2024
56 Medicare Part D claims for 19 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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): 99.1 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).
Bills Medicare through one group practice
- City OF Hope Medical FoundationCorona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maira E. Simental among 735 radiation oncology physician records in California
Maira E. Simental, MD is one of 735 radiation 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1997 · median 2005 among the 545 with a school on file
- Record last updated2020 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in San Bernardino → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Wei-Hsien Hou, M.D., PH.D.San Bernardino, CA 924041184986879
- Young Kwon, M.D.San Bernardino, CA 924041699773275
- Munther Alqaisi, M.D.San Bernardino, CA 924111356454300
- James NelsonRedlands, CA 923731699962936
- David Bush, M.D.Loma Linda, CA 923541114944782
- Ben Jabola, M.D.Loma Linda, CA 923541992721435
- Jessica Jutzy, MDLoma Linda, CA 923541821475393
- Joseph Kang, M.D., PH.D.Loma Linda, CA 923541730354929
Common questions
What is Maira E. Simental, MD's NPI number?
Maira E. Simental, MD's National Provider Identifier (NPI) is 1891779997, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maira E. Simental, MD located?
The NPPES record lists a practice address at 401 E Highland Ave, San Bernardino, CA, 92404. Phone: (909) 475-2700. Providers update this record themselves, so call before visiting.
How can I verify Maira E. Simental, MD's license?
NPPES lists California license number A67312, 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 Maira E. Simental, MD prescribe under Medicare Part D?
In 2024, Maira E. Simental, MD had 56 Medicare Part D claims for 19 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Maira E. Simental, MD's MIPS final score?
The 2023 MIPS final score is 99.1 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.