Chang-Hoon Ahn, D.O.
Family Medicine Physician · Henderson, NV
Chang-Hoon Ahn, D.O. is a family medicine physician with a practice address in Henderson, Nevada, and NPI 1558350827, issued on Oct 19, 2005. Check the license (Nevada 1338, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Chang-Hoon Ahn
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1338 NV
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Siena Heights Dr, Henderson, NV 89052
- Phone
- (702) 617-1227
- Enumerated
- Oct 19, 2005
- Record last updated
- Jan 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 1558350827 NV
- Medicare enrollment
- Enrolled (PECOS I20070906000514); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,243 in Nevada → Look up another NPI →
Also registered at 2845 Siena Heights Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ernesto Chua, MDCardiovascular Disease Physician1306818927
Verify Chang-Hoon Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 1338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average family medicine physician in 2024
6,171 Medicare Part D claims for 463 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. 109 claims were for opioids.
Most prescribed
- Atorvastatin Calcium377 claims
- Rosuvastatin Calcium351 claims
- Amlodipine Besylate310 claims
- Levothyroxine Sodium276 claims
- Lisinopril239 claims
- Omeprazole194 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.
Bills Medicare through one group practice
- Optum Medical Group II Rhodes P CLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chang-Hoon Ahn among 1,243 family medicine physician records in Nevada
Chang-Hoon Ahn, D.O. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1996 · median 2008 among the 726 with a school on file
- Record last updated2017 · 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).
167 family medicine physician records list a practice address in Henderson
They are 167 of the 7,490 NPPES records with a practice address in Henderson, and 1,243 family medicine physician records in Nevada.
All 1,243 in Nevada → Every provider in Henderson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jenny Chia, MDHenderson, NV 890521871564435
- Young Cho, MDHenderson, NV 890521275503914
- Glenn Felix Diaz, M.D.Henderson, NV 890521487695466
- Claudia Foster-Olson, M.D.Henderson, NV 890521528014636
- Michael Gorman, D.O.Henderson, NV 890521356342364
- Sean Gupton, MDHenderson, NV 890521396796504
- Lisa Haworth, MDHenderson, NV 890521346225976
- William Kyle, M.D.Henderson, NV 890521598707853
Common questions
What is Chang-Hoon Ahn, D.O.'s NPI number?
Chang-Hoon Ahn, D.O.'s National Provider Identifier (NPI) is 1558350827, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Chang-Hoon Ahn, D.O. located?
The NPPES record lists a practice address at 2845 Siena Heights Dr, Henderson, NV, 89052. Phone: (702) 617-1227. Providers update this record themselves, so call before visiting.
How can I verify Chang-Hoon Ahn, D.O.'s license?
NPPES lists Nevada license number 1338, 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 Chang-Hoon Ahn, D.O. prescribe under Medicare Part D?
In 2024, Chang-Hoon Ahn, D.O. had 6,171 Medicare Part D claims for 463 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.