Randolph Flores Leon Guerrero, M.D.
Internal Medicine Physician · Honolulu, HI
Randolph Flores Leon Guerrero, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1184689671, issued on Apr 19, 2006. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Randolph Flores Leon Guerrero
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A91626 CA
Self-reported in NPPES; status is on the state search - Practice location
- Vapihcs, Honolulu, HI 96819
- Phone
- (626) 403-7563
- Enumerated
- Apr 19, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230306001990); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2020
- Entity
- Type 1 · individual
Also registered at Vapihcs
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Aspera, PA-CPhysician Assistant1285690289
- Andrew Bisset, M.D.Psychiatry Physician1548210347
- Lynne Johnson, RN,APRNFamily Medicine Physician1447201769
- Willard Johnson, M.D.Surgery Physician1467538488
- James O'Connor, LCSWClinical Social Worker1366496234
- Margaret RainsAdult Health Nurse Practitioner1790729390
Verify Randolph Flores Leon Guerrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,053 Medicare Part D claims for 345 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium275 claims
- Amlodipine Besylate156 claims
- Lisinopril118 claims
- Losartan Potassium111 claims
- Levothyroxine Sodium109 claims
- Gabapentin93 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: $46.15
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, 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.
Bills Medicare through one group practice
- Vvipa Medical Group IncVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
579 internal medicine physician records list a practice address in Honolulu
They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.
All 579 in Honolulu → All 902 in Hawaii → Every provider in Honolulu →
Other internal medicine physician records in Hawaii
- Carlos Abeyta, MDHilo, HI1942253109
- Harry Acuna, MDWaipahu, HI1598872707
- Dale Adams, MDKailua, HI1982709101
- Kevin Adams, MDHonolulu, HI1275640567
- Kyan Renie AgbayaniHonolulu, HI1083101323
- Wesam Agha, DOKealakekua, HI1700273554
- Akua Agyeman, MD PHDHonolulu, HI1831377688
- Timothy Ahu, MDAiea, HI1275611204
- Gerard Akaka, M.D.Honolulu, HI1285644658
- Sumi Akter, MDTripler Army Medical Center, HI1154107415
Common questions
What is Randolph Flores Leon Guerrero, M.D.'s NPI number?
Randolph Flores Leon Guerrero, M.D.'s National Provider Identifier (NPI) is 1184689671, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Randolph Flores Leon Guerrero, M.D. located?
The NPPES record lists a practice address at Vapihcs, Honolulu, HI, 96819. Phone: (626) 403-7563. Providers update this record themselves, so call before visiting.
How can I verify Randolph Flores Leon Guerrero, M.D.'s license?
Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Randolph Flores Leon Guerrero, M.D. prescribe under Medicare Part D?
In 2024, Randolph Flores Leon Guerrero, M.D. had 3,053 Medicare Part D claims for 345 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.