Deon Cox Hayley, DO
Geriatric Medicine (Internal Medicine) Physician · Kansas City, KS
Deon Cox Hayley, DO is a geriatric medicine (internal medicine) physician with a practice address in Kansas City, Kansas, and NPI 1336201896, issued on Dec 14, 2006. Check the license (Kansas 05-21955, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Deon Cox Hayley
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 05-21955 KS
Self-reported in NPPES; status is on the state search - Practice location
- 3901 Rainbow Blvd, 6040 Delp, MS 1020, Kansas City, KS 66160
- Phone
- (913) 588-3974
- Enumerated
- Dec 14, 2006
- Record last updated
- Apr 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (913) 588-6055
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 27 in Kansas → Look up another NPI →
Also registered at 3901 Rainbow Blvd, 6040 Delp, MS 1020
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hieu Doan, M.D.Internal Medicine Physician1558658518
- Jessup Kenyon, MDInternal Medicine Physician1629416722
Verify Deon Cox Hayley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 05-21955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,171 Medicare Part D claims for 220 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 40 claims were for opioids.
Most prescribed
- Amlodipine Besylate121 claims
- Eliquis108 claims
- Levothyroxine Sodium100 claims
- Atorvastatin Calcium98 claims
- Donepezil Hcl88 claims
- Sertraline Hcl68 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.
Deon Cox Hayley among 27 geriatric medicine (internal medicine) physician records in Kansas
Deon Cox Hayley, DO is one of 27 geriatric medicine (internal medicine) physician records with a practice address in Kansas. 59% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 41% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 37% of these records are
- Record last updated2015 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Kansas
There are 27 geriatric medicine (internal medicine) physician records in Kansas.
All 27 in Kansas → Every provider in Kansas City → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Martha Avery, DNPKansas City, KS 661601770264798
- Autumn Brubaker, DOKansas City, KS 661601831650670
- Jessica Kalender-Rich, MDKansas City, KS 661601912127697
- Rachel Mason, M.D.Kansas City, KS 661601619105467
- Haley Rogowski, DOKansas City, KS 661601891499547
- Kristy Shang, MDKansas City, KS 661601053016147
- Andrea Stand, MDKansas City, KS 661601417481862
- Sunita Timilsina, MDKansas City, KS 661601700307667
Common questions
What is Deon Cox Hayley, DO's NPI number?
Deon Cox Hayley, DO's National Provider Identifier (NPI) is 1336201896, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deon Cox Hayley, DO located?
The NPPES record lists a practice address at 3901 Rainbow Blvd, 6040 Delp, MS 1020, Kansas City, KS, 66160. Phone: (913) 588-3974. Providers update this record themselves, so call before visiting.
How can I verify Deon Cox Hayley, DO's license?
NPPES lists Kansas license number 05-21955, 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 Deon Cox Hayley, DO prescribe under Medicare Part D?
In 2024, Deon Cox Hayley, DO had 2,171 Medicare Part D claims for 220 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.