Pericles Ioannides, M.D.
Radiation Oncology Physician · Sonora, CA
Pericles Ioannides, M.D. is a radiation oncology physician with a practice address in Sonora, California, and NPI 1386007367, issued on Mar 29, 2016. Check the license (California A154867, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pericles Ioannides
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A154867 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Mono Way, Sonora, CA 95370
- Phone
- (209) 536-6915
- Enumerated
- Mar 29, 2016
- Record last updated
- Jun 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20210921003858); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 900 Mono Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Alkema, DPTPhysical Therapist1457964264
- Ryan Carey, D.O.Family Medicine Physician1790132256
- Dezirae Freeman, FNP-CFamily Nurse Practitioner1720843956
- Welby Lo, CCC-SLPSpeech-Language Pathologist1104299700
- Mayline Nambela-Barlow, MDFamily Medicine Physician1245734136
- Jester OdruniaPhysician Assistant1114722592
Verify Pericles Ioannides in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average radiation oncology physician in 2024
765 Medicare Part D claims for 206 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 24 claims were for opioids.
Most prescribed
- Gabapentin100 claims
- Tamsulosin Hcl88 claims
- Oxybutynin Chloride Er69 claims
- Dexamethasone63 claims
- Betamethasone Diprop Augmented50 claims
- Diphenoxylate-Atropine45 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 MIPS final score for 2023 (Medicare payment program): 79.2 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).
Industry payments in 2024: $23.04
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 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
- Sonora Community HospitalSonora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pericles Ioannides among 735 radiation oncology physician records in California
Pericles Ioannides, M.D. 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 2016, is newer than 84% of them.
- NPI issued2016 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2012 · median 2005 among the 545 with a school on file
- Record last updated2022 · 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 Sonora → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Haocheng Cai, DO, PHDTurlock, CA 953821548882632
- Jorge Garcia-Young, M.D.Modesto, CA 953551902860802
- Eric Ku, MDModesto, CA 953551013478999
- Quoc Luu, M.D.Modesto, CA 953551689692808
- Christopher Neville, M.D.Modesto, CA 953551790743136
- David Lowther, MDModesto, CA 953501902880818
- Alireza Mahmoudieh, MDMerced, CA 953481720166309
- Frederick David, M.D.Santa Rosa, CA 954031982793808
Common questions
What is Pericles Ioannides, M.D.'s NPI number?
Pericles Ioannides, M.D.'s National Provider Identifier (NPI) is 1386007367, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Pericles Ioannides, M.D. located?
The NPPES record lists a practice address at 900 Mono Way, Sonora, CA, 95370. Phone: (209) 536-6915. Providers update this record themselves, so call before visiting.
How can I verify Pericles Ioannides, M.D.'s license?
NPPES lists California license number A154867, 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 Pericles Ioannides, M.D. prescribe under Medicare Part D?
In 2024, Pericles Ioannides, M.D. had 765 Medicare Part D claims for 206 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Pericles Ioannides, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.2 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.