RANDOLPH FLORES LEON GUERRERO M.D.
NPI 1184689671
Internal Medicine in Honolulu, HI

Q: What is Randolph Leon Guerrero's NPI number?

The NPI number for Randolph Leon Guerrero is 1184689671. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Q: What is Randolph Leon Guerrero's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since April 19, 2006PECOS Enrolled

VAPIHCS, 459 PATTERSON RD., HONOLULU, HI 96819(626) 403-7563 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Randolph Flores Leon Guerrero M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RANDOLPH FLORES LEON GUERRERO M.D. (NPI 1184689671) is an individual internal medicine provider in Honolulu, Hawaii, licensed in California (A91626) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184689671

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameRANDOLPH FLORES LEON GUERREROCredential: M.D.

Location AddressVAPIHCS, 459 PATTERSON RD.Honolulu, HI 96819

Mailing AddressVapihcs, 459 Patterson Rd.Honolulu, HI 96819 · (626) 403-7563

Phone(626) 403-7563

Sole ProprietorNo

Enumeration DateApril 19, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1184689671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A91626

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

VAPIHCS, Honolulu, HI 96819

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Randolph Flores Leon Guerrero M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Randolph Leon Guerrero reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vvipa Medical Group Inc

2,622 mi

Clinic/Center

12370 HESPERIA RD, SUITE 6
Victorville, CA 92395

Reassigned Medicare billing, California enrollment
28 clinicians in this Medicare group

NPI 1295126001 (760) 245-4747

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

23 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96819 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$136.68 typical visit price

range $60.53 – $180.05

Typical copayment $34.17 (range $15.13 – $45.01)

Most-billed visit code 99204

Established Patient

$105.65 typical visit price

range $20.09 – $147.56

Typical copayment $26.41 (range $5.02 – $36.89)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BOYDEN SHIM YAMASHITA D.D.S., M.P.H.

Dentist (General Practice)

VAPIHCS, 459 PATTERSON ROAD (160)
HONOLULU, HI 96819

Honolulu County (808) 433-0580

MR. GARY WAYNE ASPERA PA-C

Physician Assistant

VAPIHCS, 459 PATTERSON RD.
HONOLULU, HI 96819

Honolulu County (808) 433-0080

JAMES O'CONNOR LCSW

Social Worker (Clinical)

VAPIHCS, 459 PATTESON ROAD
HONOLULU, HI 96819

Honolulu County (808) 433-0344

LYNNE WHITE JOHNSON RN,APRN

Family Medicine

VAPIHCS, 459 PATTERSON ROAD
HONOLULU, HI 96819

Honolulu County (808) 433-0475

DR. WILLARD C JOHNSON M.D.

Surgery

VAPIHCS, 459 PATTERSON RD.
HONOLULU, HI 96819

Honolulu County (808) 433-0080

DR. ALAN RIEZMAN O.D.

Optometrist

VAPIHCS, 459 PATTERSON RD.
HONOLULU, HI 96819

Honolulu County (808) 433-7640

DR. ANDREW DAVID BISSET M.D.

Psychiatry & Neurology (Psychiatry)

VAPIHCS, 459 PATTERSON RD
HONOLULU, HI 96819

Honolulu County (808) 935-3781

MARGARET RAINS

Nurse Practitioner (Adult Health)

VAPIHCS, 459 PATTERSON RD
HONOLULU, HI 96819

Honolulu County (808) 433-0226

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Randolph Leon Guerrero's NPI number?

The NPI number for Randolph Leon Guerrero is 1184689671. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Randolph Leon Guerrero located?

Randolph Leon Guerrero practices at Vapihcs 459 Patterson Rd., Honolulu, HI 96819. The listed phone number is (626) 403-7563.

What is Randolph Leon Guerrero's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Randolph Leon Guerrero enrolled in Medicare?

Yes. Randolph Leon Guerrero is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Randolph Leon Guerrero's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Randolph Leon Guerrero reassigns Medicare benefits to Vvipa Medical Group Inc (Victorville, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Randolph Leon Guerrero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Randolph Leon Guerrero was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.