Rafael Okamoto, M.D.
Internal Medicine Physician · Las Vegas, NV
Rafael Okamoto, M.D. is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1235281874, issued on Jan 16, 2007. Check the license (Nevada 12174, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Rafael Okamoto
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12174 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1219 E. Charleston Blvd, Las Vegas, NV 89104
- Phone
- (702) 384-1110
- Enumerated
- Jan 16, 2007
- Record last updated
- Sep 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (702) 320-1639
- Medicaid ID
- 1235281874 NV
- Medicare enrollment
- Enrolled (PECOS I20070404000176); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Verify Rafael Okamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 12174Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
214 Medicare Part D claims for 20 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Odt19 claims
- Metformin Hcl13 claims
- Metoprolol Succinate12 claims
- Jardiance11 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: $178.59
9 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Rafael Okamoto among 1,229 internal medicine physician records in Nevada
Rafael Okamoto, M.D. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2006 among the 772 with a school on file
- Record last updated2012 · 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
- William Alvear, MDLas Vegas, NV 891041154413110
- Ara Gueyikian, MDLas Vegas, NV 891041114986304
- Alfredo Hibbert, PACLas Vegas, NV 891041427153691
- Javier Kamisato, M.D.Las Vegas, NV 891041902943434
- Yunwei Kuo, MDLas Vegas, NV 891041801425657
- Khoa Le, D.O.Las Vegas, NV 891041922161736
- Daniela Plata Angel, MDLas Vegas, NV 891041083334163
- Johnathan Taitano, DOLas Vegas, NV 891041184062309
Common questions
What is Rafael Okamoto, M.D.'s NPI number?
Rafael Okamoto, M.D.'s National Provider Identifier (NPI) is 1235281874, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rafael Okamoto, M.D. located?
The NPPES record lists a practice address at 1219 E. Charleston Blvd, Las Vegas, NV, 89104. Phone: (702) 384-1110. Providers update this record themselves, so call before visiting.
How can I verify Rafael Okamoto, M.D.'s license?
NPPES lists Nevada license number 12174, 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 Rafael Okamoto, M.D. prescribe under Medicare Part D?
In 2024, Rafael Okamoto, M.D. had 214 Medicare Part D claims for 20 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.