Diane M. Thomas, MD
Family Medicine Physician · Sparks, NV
Diane M. Thomas, MD is a family medicine physician with a practice address in Sparks, Nevada, and NPI 1124006044, issued on Jan 3, 2006. Check the license (Nevada 9450, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diane M. Thomas
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 9450 NV
Self-reported in NPPES; status is on the state search - Practice location
- 4868 Sparks Blvd, Sparks, NV 89436
- Phone
- (775) 331-5023
- Enumerated
- Jan 3, 2006
- Record last updated
- Jul 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (775) 331-5031
- Medicaid ID
- 002016817 NV
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,243 in Nevada → Look up another NPI →
Verify Diane M. Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 9450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average family medicine physician in 2024
1,370 Medicare Part D claims for 125 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 29 claims were for opioids.
Most prescribed
- Atorvastatin Calcium134 claims
- Levothyroxine Sodium97 claims
- Rosuvastatin Calcium72 claims
- Lisinopril66 claims
- Amlodipine Besylate47 claims
- Ezetimibe43 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.
Industry payments in 2024: $49.66
3 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 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.
Diane M. Thomas among 1,243 family medicine physician records in Nevada
Diane M. Thomas, MD is one of 1,243 family medicine physician records with a practice address in Nevada. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family medicine physician records list a practice address in Sparks
They are 37 of the 2,016 NPPES records with a practice address in Sparks, and 1,243 family medicine physician records in Nevada.
All 1,243 in Nevada → Every provider in Sparks → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kristin Astrom, DOSparks, NV 894361982693859
- Louis Delionback, MDSparks, NV 894361194702472
- John Fardell, MDSparks, NV 894361942838511
- Aneri Gupta, MDSparks, NV 894361558707976
- Amber Hayes, M.D.Sparks, NV 894361699975490
- Ronald Hicks, MDSparks, NV 894361326044520
- Hyun Hong, MDSparks, NV 894361083691927
- Joseph Johnson, MDSparks, NV 894361790764488
Common questions
What is Diane M. Thomas, MD's NPI number?
Diane M. Thomas, MD's National Provider Identifier (NPI) is 1124006044, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane M. Thomas, MD located?
The NPPES record lists a practice address at 4868 Sparks Blvd, Sparks, NV, 89436. Phone: (775) 331-5023. Providers update this record themselves, so call before visiting.
How can I verify Diane M. Thomas, MD's license?
NPPES lists Nevada license number 9450, 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 Diane M. Thomas, MD prescribe under Medicare Part D?
In 2024, Diane M. Thomas, MD had 1,370 Medicare Part D claims for 125 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.