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DR. GREGORY CHENHU HSU M.D
NPI 1053871632
Internal Medicine - Cardiovascular Disease in Honolulu, HI

Active since March 21, 2019PECOS Enrolled
888 S KING ST, HONOLULU, HI 96813(808) 522-4222 Get Directions Write a Review

NPPES record last updated: July 18, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Jul 18, 2026, Aug 2, 2022, Mar 21, 2019 (3 updates tracked since 2019).

About Dr. Gregory Chenhu Hsu M.d NPPES

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

DR. GREGORY CHENHU HSU M.D (NPI 1053871632) is an individual cardiovascular disease provider in Honolulu, Hawaii, licensed in Hawaii (MD-22665) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053871632
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. GREGORY CHENHU HSUCredential: M.D
Location Address888 S KING STHonolulu, HI 96813-3009
Mailing Address888 S King StHonolulu, HI 96813-3009 · (808) 522-4222
Phone(808) 522-4222
Sole ProprietorYes
Enumeration DateMarch 21, 2019
Last NPPES UpdateJuly 18, 20263 updates tracked since enumeration
NPPES CertifiedJuly 18, 2026
✔ NPI 1053871632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in HI · MD-22665
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
888 S KING ST, Honolulu, HI 96813
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Chenhu Hsu 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96813 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
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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 20

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

MS. SYLVIA Y. TERADA NP
Nurse Practitioner
888 S KING ST, DERMATOLOGY DEPARTMENT
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. JOSEPH R. VIERRA M.D.
Internal Medicine (Critical Care Medicine)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. BEAU K. NAKAMOTO M.D.
Psychiatry & Neurology (Neurology)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4000
DR. JAY L. GREKIN M.D.
Dermatology
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4360
DR. TIMOTHY CHRISTOPHER LAEGER M.D.
Emergency Medicine
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3714
SCOTT T YOKOTA
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-3496
JESSICA GREEN
Surgery (Vascular Surgery)
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4469
TAMMY YAGUCHI MPT
Physical Therapist
888 S KING ST
HONOLULU, HI 96813
Honolulu County (808) 522-4602

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 Gregory Hsu's NPI number?

The NPI number for Gregory Hsu is 1053871632. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Gregory Hsu located?

Gregory Hsu practices at 888 S King St, Honolulu, HI 96813. The listed phone number is (808) 522-4222.

What is Gregory Hsu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Gregory Hsu enrolled in Medicare?

Yes. Gregory Hsu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Hsu was last updated on July 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.