Ryan P. Reddy, M.D.
Nuclear Imaging & Therapy Physician · Irvine, CA
Ryan P. Reddy, M.D. is a nuclear imaging & therapy physician with a practice address in Irvine, California, and NPI 1417214073, issued on Apr 19, 2012. Check the license (California 186907, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan P. Reddy
- Credential
- M.D.
- Primary taxonomy
- Nuclear Imaging & Therapy Physician 207UN0902X
- License numbers
- 186907 CA
294092 NY
Self-reported in NPPES; status is on the state search - Practice location
- 16105 Sand Canyon Ave Ste 215, Irvine, CA 92618
- Phone
- (877) 422-9477
- Enumerated
- Apr 19, 2012
- Record last updated
- Jul 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20230823003990); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nuclear imaging & therapy physician records → All 28 in California → Look up another NPI →
Verify Ryan P. Reddy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 186907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nuclear imaging & therapy physician in 2024
13 Medicare Part D claims, against an average of 749 among the 26 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 79.5 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: $129.89
2 payments; by number, the most common kind was food and beverage; the largest payer was Progenics Pharmaceuticals, Inc. The 42 providers of this specialty with any payment received $1,133.74 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 2 group practices
- Hoag ClinicSan Clemente, CA
- Newport Harbor Radiology Associates Medical Group IncNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan P. Reddy among 28 nuclear imaging & therapy physician records in California
Ryan P. Reddy, M.D. is one of 28 nuclear imaging & therapy physician records with a practice address in California. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 18% newer
- In a Medicare fileYes · 50% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Record last updated2023 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207UN0902X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nuclear Imaging & Therapy Physician providers in California
There are 28 nuclear imaging & therapy physician records in California.
All 28 in California → Every provider in Irvine → Nuclear Imaging & Therapy Physician nationwide →
The 8 nuclear imaging & therapy physician records with the nearest ZIP codes
- Eugene Silverman, MDSan Diego, CA 921341356311906
- David Rossman, M.D.San Diego, CA 921231194825703
- Richard Cole, M.D.San Diego, CA 921201346293602
- Michael Siegel, M.D.La Jolla, CA 920931285885681
- Ahmed Zaza, M.D.Bakersfield, CA 933111609062371
- Maria Guevara, MDNorth Hollywood, CA 916051316124662
- Alex Heglin, DOFresno, CA 937101295475994
- Daniel Stobbe, MD, FACNPFresno, CA 937101306840137
Common questions
What is Ryan P. Reddy, M.D.'s NPI number?
Ryan P. Reddy, M.D.'s National Provider Identifier (NPI) is 1417214073, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ryan P. Reddy, M.D. located?
The NPPES record lists a practice address at 16105 Sand Canyon Ave Ste 215, Irvine, CA, 92618. Phone: (877) 422-9477. Providers update this record themselves, so call before visiting.
How can I verify Ryan P. Reddy, M.D.'s license?
NPPES lists California license number 186907, 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 Ryan P. Reddy, M.D. prescribe under Medicare Part D?
In 2024, Ryan P. Reddy, M.D. had 13 Medicare Part D claims; the average among nuclear imaging & therapy physician prescribers was 749. Part D covers Medicare prescriptions only.
What is Ryan P. Reddy, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.5 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.