Stuart Mark Gaynes, MD
Emergency Medicine Physician · Olathe, KS
Stuart Mark Gaynes, MD is an emergency medicine physician with a practice address in Olathe, Kansas, and NPI 1982712543, issued on Aug 25, 2006. Check the license (Kansas 04-26382, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Stuart Mark Gaynes
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 04-26382 KS
0426382 KS
52009 SC
Self-reported in NPPES; status is on the state search - Practice location
- 20333 W 151St St, Olathe, KS 66061
- Phone
- (913) 791-4357
- Enumerated
- Aug 25, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (913) 791-4435
- Medicaid IDs
- 100289450C KS
1982712543 MO
100289450B KS - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 459 in Kansas → Look up another NPI →
Also registered at 20333 W 151St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nervana Abdelaziz, MDStudent in an Organized Health Care Education/Training Program1194511006
- Joshua Abernathy, MDEmergency Medicine Physician1699208447
- Ashley Ahring, PA-CPhysician Assistant1447264395
- Jan Akers, RD,LDRegistered Dietitian1508965922
- Asmaa AlsalmanStudent in an Organized Health Care Education/Training Program1619808946
- Anam Amin, MDInternal Medicine Physician1962344093
Verify Stuart Mark Gaynes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 04-26382Check 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% more Medicare Part D claims than the average emergency medicine physician in 2024
363 Medicare Part D claims for 252 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Ondansetron Odt41 claims
- Prednisone34 claims
- Hydrocodone-Acetaminophen31 claims
- Cephalexin24 claims
- Oxycodone-Acetaminophen23 claims
- Albuterol Sulfate Hfa19 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.
Stuart Mark Gaynes among 459 emergency medicine physician records in Kansas
Stuart Mark Gaynes, MD is one of 459 emergency medicine physician records with a practice address in Kansas. 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, 60% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Kansas
There are 459 emergency medicine physician records in Kansas.
All 459 in Kansas → Every provider in Olathe → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Lawrence Asbury, MDOlathe, KS 660611326152752
- James Berrigan, MDOlathe, KS 660611740398361
- Chris Davlantes, MDOlathe, KS 660611033227657
- Michael Dawdy, MDOlathe, KS 660611831207471
- Stephanee Evers, MDOlathe, KS 660611033227699
- Daniel Harpt, MDOlathe, KS 660611487762068
- Mohammad Hassan, M.D.Olathe, KS 660611326049420
- Ronald Karlin, MDOlathe, KS 660611770691362
Common questions
What is Stuart Mark Gaynes, MD's NPI number?
Stuart Mark Gaynes, MD's National Provider Identifier (NPI) is 1982712543, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Mark Gaynes, MD located?
The NPPES record lists a practice address at 20333 W 151St St, Olathe, KS, 66061. Phone: (913) 791-4357. Providers update this record themselves, so call before visiting.
How can I verify Stuart Mark Gaynes, MD's license?
NPPES lists Kansas license number 04-26382, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stuart Mark Gaynes, MD prescribe under Medicare Part D?
In 2024, Stuart Mark Gaynes, MD had 363 Medicare Part D claims for 252 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.