DR. KEN S INAMASU (M.D.) – Emergency Medicine Physician, NPI 1154689271

DR. KEN S INAMASU (M.D.) is a healthcare provider. based in Honolulu, Hawaii. specializing in EMERGENCY MEDICINE. They hold the professional credentials M.D.. They hold a License No. 18943 (HI). The NPI Number for DR. KEN S INAMASU (M.D.) is 1154689271

Main info

Male
Sole Proprietor
14 Years Of Experience
Accepts Medicare Assignment
Name
DR. KEN S INAMASU (M.D.)
NPI
1154689271
Phone
(808) 224-6355
Address
1241A 17TH AVE
Enumeration Date
26 April 2012
Last Update Date
1 September 2023

Doctor Profile

Medical School Name
UNIVERSITY OF HAWAII JOHN A. BURNS SCHOOL OF MEDICINE
Secondary Phone
8085978778
Graduation Year
2012 (14 years ago)
PAC ID
6800163668
Group Practice PAC ID
1355244542
Professional Enrollment ID
I20170525002565
Address ID
HI968132402HO1301XSTXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:14State licenses:1Digital endpointsOther names

257 EMERGENCY MEDICINE in HI

Provider Addresses for DR. KEN S INAMASU (M.D.)

  • 1241A 17TH AVE

    HONOLULU, HI 968164292

    Phone: (808) 224-6355

    Type: Mailing

  • 98-1374 AKAAKA ST

    AIEA, HI 967013047

    Phone: (808) 224-6355

    Type: Mailing

  • 770 KAPIOLANI BLVD STE 705

    HONOLULU, HI 968135241

    Phone: (808) 597-8778

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-05-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20170525002565IEmergency MedicineHITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making166161$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only109103$0
99291Critical care, first 30-74 minutes6564$0
71045X-ray of chest, 1 view4544$0
99284Emergency department visit with moderate level of medical decision making3030$0
View full utilization report →

Insurance plans in this area (ZIP 96816)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1355244542View full group profile
NameSpecialtyState
Emergency MedicineHI
Emergency MedicineHI
Emergency MedicineHI
Emergency MedicineMI
Emergency MedicinePA
Emergency MedicineCA
Emergency MedicineCA
Emergency MedicinePA
Emergency MedicineVA
Emergency MedicineHI

Reviews

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Frequently asked questions

Can I cross-check DR. KEN S INAMASU (M.D.) using NPI 1154689271?
NPI 1154689271 belongs to DR. KEN S INAMASU (M.D.); compare other details if you need extra assurance.
Is DR. KEN S INAMASU (M.D.) shown as active in public data?
Registry records indicate DR. KEN S INAMASU (M.D.) maintains an active NPI.
What expertise is attributed to DR. KEN S INAMASU (M.D.)?
DR. KEN S INAMASU (M.D.)'s specialty line reads Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. KEN S INAMASU (M.D.)?
Directory geography for DR. KEN S INAMASU (M.D.) centers on Honolulu, Hawaii.
When was this NPI issued?
Enumeration for DR. KEN S INAMASU (M.D.) is noted as April 26, 2012 where the registry provides it.

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