Dr. Maira E. Simental, MD
- Medicare services, 2024
- 460
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 56
- MIPS score, 2024
- 93
- Industry payments
- $229
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (626) 256-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Simental's professional email, personal email and mobile number
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Dr. Maira E. Simental is a radiation oncologist in Duarte, California
Dr. Simental practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Simental's NPI, 1891779997, was assigned on December 1, 2005. Dr. Simental graduated from Loma Linda University School Of Medicine in 1997. Dr. Simental holds California license A67312.
- NPI
- 1891779997NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759316334
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 256-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maira E. Simental practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Simental's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (626) 256-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(626) 256-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maira E. Simental is affiliated with 3 sites of care and 1 medical group
Dr. Simental's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Simental to 1 more group practice or clinic and 1 other site, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maira E. Simental's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simental practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maira E. Simental is one of 685 radiation oncologists in California
Radiation oncology is Dr. Simental's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Simental is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Simental's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists anal cancer radiation, breast cancer radiation, colorectal cancer radiation and head & neck cancer radiation among the conditions Dr. Simental treats.
Radiation oncologists near Dr. Simental
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maira E. Simental billed Medicare for 460 services in 2024
CMS data shows 460 Medicare services from Dr. Simental across 6 procedure codes in 2024, for 54 Medicare patients. Medicare paid $43,755 for them. Every service was in an office.
Dr. Simental's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4292024: 31427%
- Other services
- 2023: 4242024: 12072%
- Office and hospital visits
- 2023: 332024: 2621%
Dr. Simental compared with the California median for radiation oncologists, 2024
- Dr. Simental
- California median
- Medicare services
- 460vs 1,44468% below
- Medicare patients
- 54vs 16467% below
- Part D claims
- 11vs 3266% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Simental's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simental and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maira E. Simental treated 54 Medicare patients in 2024, average age 74
CMS counts 54 Medicare patients who saw Dr. Simental in 2024. The largest group is 75 to 84, with 25 patients. 75% of them have cancer, and 75% have high blood pressure. 50% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Simental's median patient age at 67, with 62% women.
Dr. Simental's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Simental's Medicare patients by sex, 2024
- Women2954%
- Men2546%
Chronic conditions among Dr. Simental's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol72%
- Diabetes44%
- Arthritis41%
- Chronic kidney disease31%
- Mood disorders31%
- COPD28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simental's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maira E. Simental wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Simental wrote 56 Medicare Part D claims for 19 patients. 89% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $146 in total drug cost. In 2020, CMS named 22 claims across 2 drugs.
Dr. Simental's Part D claims by kind of drug, 2024
- Generic50 claims89%
- Brand-name and other6 claims11%
Dr. Simental's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 222022: 1150%
Drugs named by CMS: 1 in 2022, 2 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Maira E. Simental scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Simental for performance year 2024, reported as part of a group. Dr. Simental accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Simental's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Maira E. Simental received $229 in industry payments from 2017 to 2020
CMS Open Payments shows 12 general payments to Dr. Simental from 6 drug and device companies from 2017 to 2020. Food and beverage make up the largest share, 95% of the total. Novocure Inc. paid the most, $80.
General payments to Dr. Simental by program year, 2017 to 2020
General payments to Dr. Simental by kind, 2017 to 2020
- Food and beverage$21795%
- Education$125%
Companies that paid Dr. Simental the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maira E. Simental graduated from Loma Linda University School Of Medicine
Dr. Simental graduated from Loma Linda University School Of Medicine in 1997.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Maira E. Simental accepts plans from 15 insurance carriers
Dr. Simental is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Simental accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Maira E. Simental's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maira E. Simental
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maira E. Simental's NPI number?
Dr. Maira E. Simental's NPI number is 1891779997. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Maira E. Simental?
Dr. Maira E. Simental is a radiation oncologist in Duarte, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Maira E. Simental practice?
Dr. Simental practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Simental's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Simental to 1 group practice or clinic and 1 other site.
What is Dr. Maira E. Simental's office phone number?
The practice phone on file for Dr. Simental is (626) 256-4673.
What is Dr. Maira E. Simental's medical license number?
Dr. Simental holds California license A67312, one of the licenses on file in 2 states.
Which states has Dr. Maira E. Simental been licensed in?
Dmand AI has state licenses on file for Dr. Simental in California (1999 to 2026) and Pennsylvania (2002 to 2004).
What medical group is Dr. Maira E. Simental part of?
Dr. Simental is linked to City of Hope.
Does Dr. Maira E. Simental accept Medicare?
Yes. CMS data shows Dr. Simental billed Medicare for 460 services in 2024, and Dr. Simental accepts Medicare assignment.
What is Dr. Maira E. Simental's MIPS score?
Dr. Simental's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Maira E. Simental see?
CMS counts 54 Medicare patients who saw Dr. Simental in 2024, with an average age of 74.
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Is Dr. Maira E. Simental board certified?
Yes. Dr. Simental is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Maira E. Simental bill to Medicare?
In 2024, Dr. Simental's most billed Medicare services were radiation oncology (77014), medicare service (G6002) and radiation oncology (77427).
Where did Dr. Maira E. Simental go to medical school?
Dr. Simental graduated from Loma Linda University School Of Medicine in 1997.
What drugs does Dr. Maira E. Simental prescribe most?
In 2022 Medicare Part D data, Dr. Simental's most prescribed drugs by claims were Alfuzosin HCl ER.
Has Dr. Maira E. Simental received payments from drug or device companies?
CMS Open Payments shows $229 in general payments to Dr. Simental from 6 companies from 2017 to 2020. The largest total came from Novocure Inc.
How long has Dr. Maira E. Simental been practicing?
Dr. Simental graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Maira E. Simental accept?
Dr. Simental is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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