David Ray Wichman, DO
Internal Medicine Physician · Las Vegas, NV
David Ray Wichman, DO is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1811950389, issued on Apr 7, 2006. Check the license (Nevada 551, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Ray Wichman
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 551 NV
Self-reported in NPPES; status is on the state search - Practice location
- 5785 Centennial Center Blvd Ste 230, Las Vegas, NV 89149
- Phone
- (702) 383-2273
- Enumerated
- Apr 7, 2006
- Record last updated
- Oct 4, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (702) 366-0570
- Medicaid ID
- 2019609 NV
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 5785 Centennial Center Blvd Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Ray Wichman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,198 Medicare Part D claims for 348 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium192 claims
- Amlodipine Besylate97 claims
- Losartan Potassium91 claims
- Levothyroxine Sodium76 claims
- Lisinopril53 claims
- Eliquis35 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.
David Ray Wichman among 1,229 internal medicine physician records in Nevada
David Ray Wichman, DO is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cyclopea Anakwa, M.D.Las Vegas, NV 891491407941016
- Carlo Buena, MDLas Vegas, NV 891491770857484
- Nouhad Damaj, MDLas Vegas, NV 891491134108038
- Kenneth Edmunds, MDLas Vegas, NV 891491265466213
- Wally Folad, M.D.Las Vegas, NV 891491326331893
- Siri Gadde, MDLas Vegas, NV 891491326510132
- Gerardo Lorenzana, MDLas Vegas, NV 891491740292630
- Ricardo Mogollon, MDLas Vegas, NV 891491114993425
Common questions
What is David Ray Wichman, DO's NPI number?
David Ray Wichman, DO's National Provider Identifier (NPI) is 1811950389, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Ray Wichman, DO located?
The NPPES record lists a practice address at 5785 Centennial Center Blvd Ste 230, Las Vegas, NV, 89149. Phone: (702) 383-2273. Providers update this record themselves, so call before visiting.
How can I verify David Ray Wichman, DO's license?
NPPES lists Nevada license number 551, 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 David Ray Wichman, DO prescribe under Medicare Part D?
In 2024, David Ray Wichman, DO had 1,198 Medicare Part D claims for 348 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.