1. Home
  2. Directory
  3. Hawaii
  4. Hilo
  5. Internal Medicine
  6. NPI Profile

DR. RUSS RAJ ARJAL MD
NPI 1821144403
Internal Medicine - Gastroenterology in Hilo, HI

Active since January 26, 2007PECOS EnrolledAccepts Medicare Assignment
134 PUUHONU WAY, HILO, HI 96720(808) 969-3979(808) 935-7657 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 3, 2026, Jan 20, 2026, Feb 9, 2024 and 5 more (8 updates tracked since 2021).

About Dr. Russ Raj Arjal Md NPPES

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

DR. RUSS RAJ ARJAL MD (NPI 1821144403) is an individual gastroenterology provider in Hilo, Hawaii, licensed in Hawaii (MD-23967) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1821144403
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. RUSS RAJ ARJALCredential: MD
Location Address134 PUUHONU WAYHilo, HI 96720-2066
Mailing AddressPo Box 4049Alameda, CA 94501-0449
Phone(808) 969-3979
Fax(808) 935-7657
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJanuary 26, 2007
Last NPPES UpdateJune 3, 20268 updates tracked since enumeration
NPPES CertifiedJune 3, 2026
✔ NPI 1821144403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in HI · MD-23967✔ Licensed in IL · 036165353✔ Licensed in WA · MD00049187✔ Licensed in CO · DR.0043601✔ Licensed in CA · C171402
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
134 PUUHONU WAY, Hilo, HI 96720
Open in Google Maps ↗

Secondary Practice Locations 3

Location 12160 S 1st AveMaywood, IL 60153-3328 · Phone (708) 216-9000
Location 24 Memorial Dr Ste 230Alton, IL 62002-6704 · Phone (618) 463-7874 · Fax (618) 463-7846
Location 377 Casa St Ste 106San Luis Obispo, CA 93405-5804 · Phone (805) 541-1021

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Oscar Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Russ Raj Arjal Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294807301
PECOS Enrollment IDI20240223001834, I20251027002404
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 Reassignments

9

Medicare enrollment records show Russ Arjal reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology Associates, Inc
Same address
Specialist
134 PUUHONU WAY
Hilo, HI 96720
  • Reassigned Medicare billing, Hawaii enrollment
  • 12 clinicians in this Medicare group
NPI 1831202787 (808) 969-3979
Pec Anesthesia LLC
219 mi
Nurse Anesthetist, Certified Registered
1029 MAKOLU ST, STE H
Pearl City, HI 96782
  • Reassigned Medicare billing, Hawaii enrollment
  • 65 clinicians in this Medicare group
NPI 1528305208 (808) 456-6420
Paul D. Wetzel, M.D. Inc
2,354 mi
Gastroenterology
1551 BISHOP ST STE 430
San Luis Obispo, CA 93401
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Paul D Wetzel MD Inc
  • 4 clinicians in this Medicare group
NPI 1609975325 (805) 261-1044
Puget Sound Gastroenterology, PLLC
2,616 mi
Gastroenterology
209 LILLY RD NE STE B
Olympia, WA 98506
  • Reassigned Medicare billing, Washington enrollment
  • 83 clinicians in this Medicare group
NPI 1386340164 (360) 413-8250
Billings Cinic
3,045 mi
Family Medicine
236 YELLOWSTONE AVE
West Yellowstone, MT 59758
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: Billings Clinic
  • 1,264 clinicians in this Medicare group
NPI 1710600119 (406) 238-2500
Valley View Hospital Association
3,106 mi
Gastroenterology
100 PIONEERS MEDICAL CENTER DR
Meeker, CO 81641
  • Reassigned Medicare billing, Colorado enrollment
  • 163 clinicians in this Medicare group
NPI 1619501459 (970) 384-7510
Fairview Heights Medical Group Sc
4,032 mi
Multi-Specialty
670 MASON RIDGE CENTER DR STE 300
Saint Louis, MO 63141
  • Reassigned Medicare billing, Illinois enrollment
  • 507 clinicians in this Medicare group
NPI 1679503668 (314) 996-7644
Loyola University Medical Center
4,169 mi
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
NPI 1336159961 (708) 216-3215
Regional Gastroenterology Associates Of Lancaster, Ltd.
4,777 mi
Gastroenterology
2112 HARRISBURG PIKE STE 202
Lancaster, PA 17601
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 343 clinicians in this Medicare group
NPI 1154422806 (717) 869-4600

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 7

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services34 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
29 services29 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
28 services28 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
27 services27 patients
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.
25 services24 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison County
Emergency services Birthing friendly

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96720 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 6

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

DR. TIMOTHY C JAHRAUS M.D.
Internal Medicine (Gastroenterology)
134 PUUHONU WAY
HILO, HI 96720
Hawaii County (808) 935-1956
DR. WILLIAM A HARTMAN M.D.
Specialist
134 PUUHONU WAY
HILO, HI 96720
Hawaii County (808) 935-1956
PACIFIC ENDOSCOPY CENTER LLC
Clinic/Center (Ambulatory Surgical)
134 PUUHONU WAY
HILO, HI 96720
Hawaii County (808) 969-3979
THE ENDOSCOPY CENTER, LLC
Clinic/Center (Ambulatory Surgical)
134 PUUHONU WAY
HILO, HI 96720
Hawaii County (808) 969-3973
DR. EDWIN M MONTELL M.D.
Specialist
134 PUUHONU WAY
HILO, HI 96720
Hawaii County (808) 935-1956
GASTROENTEROLOGY ASSOCIATES, INC
Specialist
134 PUUHONU WAY
HILO, HI 96720
Hawaii County (808) 969-3979

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 Russ Arjal's NPI number?

The NPI number for Russ Arjal is 1821144403. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Russ Arjal located?

Russ Arjal practices at 134 Puuhonu Way, Hilo, HI 96720. The listed phone number is (808) 969-3979.

What is Russ Arjal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Russ Arjal enrolled in Medicare?

Yes. Russ Arjal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Russ Arjal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Russ Arjal reassigns Medicare benefits to 9 organizations: Gastroenterology Associates, Inc (Hilo, HI), Pec Anesthesia LLC (Pearl City, HI), Paul D. Wetzel, M.D. Inc (San Luis Obispo, CA), Puget Sound Gastroenterology, PLLC (Olympia, WA), Billings Cinic (West Yellowstone, MT) and 4 more organizations, listed in the Medicare section above. Each 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 Russ Arjal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Russ Arjal accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Oscar Health, PacificSource Health Plans and Providence Health Plan list Russ Arjal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Russ Arjal affiliated with any hospitals?

According to CMS data, Russ Arjal is affiliated with Alton Memorial Hospital and Billings Clinic.

When was this NPI record last updated?

The NPPES record for Russ Arjal was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.