DR. DOUGLAS DUNG DO M.D, M.P.H
NPI 1265732622
Internal Medicine in Hilo, HI

Active since November 01, 2010PECOS EnrolledAccepts Medicare Assignment
1190 WAIANUENUE AVE, HILO, HI 96720(925) 487-8947 Get Directions Write a Review

NPPES record last updated: September 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Douglas Dung Do M.d, M.p.h NPPES

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

DR. DOUGLAS DUNG DO M.D, M.P.H (NPI 1265732622) is an individual internal medicine provider in Hilo, Hawaii, licensed in Hawaii (MD16142) and active in the NPI registry since November 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1265732622
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DOUGLAS DUNG DOCredential: M.D, M.P.H
Location Address1190 WAIANUENUE AVEHilo, HI 96720-2089
Mailing Address1190 Waianuenue AveHilo, HI 96720-2089 · (925) 487-8947
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateNovember 1, 2010
Last NPPES UpdateSeptember 21, 2023
✔ NPI 1265732622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in HI · MD16142✔ Licensed in CA · A114741
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.
1190 WAIANUENUE AVE, Hilo, HI 96720

Other Names 1

Former Name (1)Dung Thuc Do

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. Douglas Dung Do M.d, M.p.h 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 ID244400679
PECOS Enrollment IDI20221109002855
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

4

Medicare enrollment records show Douglas Do reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
1190 WAIANUENUE AVE
Hilo, HI 96720
  • Reassigned Medicare billing, Hawaii enrollment
  • 43 clinicians in this Medicare group
Hospitalist
2500 GRANT RD
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 217 clinicians in this Medicare group
Health Maintenance Organization
9100 ROSEDALE HWY
Bakersfield, CA 93312
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
Hospitalist
400 N PEPPER AVE
Colton, CA 92324
  • Reassigned Medicare billing, Hawaii enrollment
  • 56 clinicians in this Medicare group

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 2

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
52 services19 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
14 services14 patients

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%201 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier16 claims16 services$109.95 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier25 claims25 services$36.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Student in an Organized Health Care Education/Training Program
1190 WAIANUENUE AVE
HILO, HI 96720
Internal Medicine
1190 WAIANUENUE AVE
HILO, HI 96720
Registered Nurse
1190 WAIANUENUE AVE
HILO, HI 96720
Student in an Organized Health Care Education/Training Program
1190 WAIANUENUE AVE
HILO, HI 96720
Internal Medicine
1190 WAIANUENUE AVE
HILO, HI 96720
Internal Medicine
1190 WAIANUENUE AVE
HILO, HI 96720
Family Medicine
1190 WAIANUENUE AVE
HILO, HI 96720
Anesthesiology
1190 WAIANUENUE AVE, ATTN ANESTHESIA DEPT
HILO, HI 96720

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 Douglas Do's NPI number?

The NPI number for Douglas Do is 1265732622. It was assigned to this individual provider in the NPPES registry on November 1, 2010. The provider is also known as Dung Thuc Do.

Where is Douglas Do located?

Douglas Do practices at 1190 Waianuenue Ave, Hilo, HI 96720. The listed phone number is (925) 487-8947.

What is Douglas Do's specialty?

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

Is Douglas Do enrolled in Medicare?

Yes. Douglas Do 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 Douglas Do's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Do reassigns Medicare benefits to 4 organizations: Hawaii Post-Acute Medical Services 1 Inc (Hilo, HI), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Southern California Permanente Medical Group (Bakersfield, CA) and Quantum Healthcare Medical Associates Inc. (Colton, CA). 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 Douglas Do'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 Douglas Do was last updated on September 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.