Thomas A. Derby, DO
Diagnostic Radiology Physician · Reno, NV
Thomas A. Derby, DO is a diagnostic radiology physician with a practice address in Reno, Nevada, and NPI 1447719430, issued on Mar 18, 2019. Check the license (Nevada DO3918, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas A. Derby
- Credential
- DO
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- DO3918 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1155 Mill St, Reno, NV 89502
- Phone
- (775) 982-5000
- Enumerated
- Mar 18, 2019
- Record last updated
- Jul 11, 2025
- Fax
- (775) 982-3900
- Medicare enrollment
- Enrolled (PECOS I20250724002439); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2019
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 310 in Nevada → Look up another NPI →
Also registered at 1155 Mill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janeen Abe, PHARMDAmbulatory Care Pharmacist1184266298
- David John Acierto, D.O.Internal Medicine Physician1447563622
- Rommel Adajar, MDInternal Medicine Physician1336168707
- Phyllis Ager, MDRadiation Oncology Physician1962405456
- Thomas Agney, M.D.Hospitalist Physician1558334706
- Ricardo Aguirre-Escobar, PHARMDPharmacist1942907472
Verify Thomas A. Derby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO3918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
34 Medicare Part D claims for 23 beneficiaries, against an average of 51 among the 2,711 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 MIPS final score for 2023 (Medicare payment program): 94 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $129.51
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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
- Community Care Services LLCReno, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas A. Derby among 310 diagnostic radiology physician records in Nevada
Thomas A. Derby, DO is one of 310 diagnostic radiology physician records with a practice address in Nevada. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 4% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2001 among the 218 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Nevada
There are 310 diagnostic radiology physician records in Nevada.
All 310 in Nevada → Every provider in Reno → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Mark Allgood, M.D.Reno, NV 895021942206289
- Lenore AmanteReno, NV 895021578597613
- Richard Ardill, MDReno, NV 895021538165873
- Frederick Boyden, MDReno, NV 895021558394098
- Chad Clark, MDReno, NV 895021275517831
- Robert Kenton, MDReno, NV 895021811993199
- Timothy Koci, MDReno, NV 895021659377935
- George Krakora, MDReno, NV 895021093711384
Common questions
What is Thomas A. Derby, DO's NPI number?
Thomas A. Derby, DO's National Provider Identifier (NPI) is 1447719430, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Thomas A. Derby, DO located?
The NPPES record lists a practice address at 1155 Mill St, Reno, NV, 89502. Phone: (775) 982-5000. Providers update this record themselves, so call before visiting.
How can I verify Thomas A. Derby, DO's license?
NPPES lists Nevada license number DO3918, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas A. Derby, DO prescribe under Medicare Part D?
In 2024, Thomas A. Derby, DO had 34 Medicare Part D claims for 23 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is Thomas A. Derby, DO's MIPS final score?
The 2023 MIPS final score is 94 of 100. 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.