NASH ALLEN KAWELA WITTEN M.D.
NPI 1790211431
Family Medicine in Haleiwa, HI

Q: What is Nash Witten's NPI number?

The NPI number for Nash Witten is 1790211431. It was assigned to this individual provider in the NPPES registry on May 1, 2017.

Q: What is Nash Witten's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Nash Witten was last updated on February 7, 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.

Active since May 01, 2017PECOS EnrolledAccepts Medicare Assignment

66-125 KAMEHAMEHA HWY, HALEIWA, HI 96712(808) 637-5087(808) 637-4765 Get Directions Write a Review

NPPES record last updated: February 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 7, 2026, Aug 8, 2023, Jun 16, 2020 and 1 more (4 updates tracked since 2017).

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About Nash Allen Kawela Witten M.d. NPPES

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

NASH ALLEN KAWELA WITTEN M.D. (NPI 1790211431) is an individual family medicine provider in Haleiwa, Hawaii, licensed in Hawaii (MD-20991) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2017).

NPPES Registry Identity

NPI1790211431

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameNASH ALLEN KAWELA WITTENCredential: M.D.

Location Address66-125 KAMEHAMEHA HWYHaleiwa, HI 96712-1601

Mailing Address66-125 Kamehameha HwyHaleiwa, HI 96712-1601 · (808) 691-8501 · Fax (808) 637-4765

Phone(808) 637-5087

Fax(808) 637-4765

Sole ProprietorNo

Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2017

Enumeration DateMay 1, 2017

Last NPPES UpdateFebruary 7, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 7, 2026

✔ NPI 1790211431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in HI · MD-20991

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

66-125 KAMEHAMEHA HWY, Haleiwa, HI 96712

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nash Allen Kawela Witten M.d. 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 ID6406277490

PECOS Enrollment IDI20200529000982

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.

Areas of Expertise CMS Part B claims 3

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.

27 services19 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

25 services22 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

24 services18 patients

Hospital Affiliations CMS Care Compare

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

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number120001

Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96712 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

$92.50 typical visit price

range $60.53 – $180.05

Typical copayment $23.12 (range $15.13 – $45.01)

Most-billed visit code 99203

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.

Referred Medical Equipment & Supplies CMS DME claims

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

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

1 supplier13 claims13 services$20.95 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 12

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

DR. RANDALL SUZUKA M.D.

Family Medicine

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 637-5087

HALEIWA FAMILY DENTAL CENTER, LTD.

Public Health or Welfare

66-125 KAMEHAMEHA HWY, SUITE 2
HALEIWA, HI 96712

Honolulu County (808) 637-9652

SAMANTHA CHRISTINE HYDE DUHAYLONSOD APRN

Nurse Practitioner (Family)

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 691-8501

QUEEN'S DEVELOPMENT CORPORATION & SUBSIDIARIES

Clinic/Center (Health Service)

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 691-4600

DR. VANESSA MAE AGSALDA-ROSENBUSH M.D.

Family Medicine

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 637-5087

AARON KAORU SUZUKA MD

Family Medicine

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 691-8501

DR. SUMMER REIKO TERUYA M.D.

Family Medicine

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 637-5087

KRISTOPHER BJORNSON, MD, LLC

Psychiatry & Neurology (Psychiatry)

66-125 KAMEHAMEHA HWY
HALEIWA, HI 96712

Honolulu County (808) 637-5111

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 Nash Witten's NPI number?

The NPI number for Nash Witten is 1790211431. It was assigned to this individual provider in the NPPES registry on May 1, 2017.

Where is Nash Witten located?

Nash Witten practices at 66-125 Kamehameha Hwy, Haleiwa, HI 96712. The listed phone number is (808) 637-5087.

What is Nash Witten's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Nash Witten enrolled in Medicare?

Yes. Nash Witten 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.

What insurance does Nash Witten accept?

Health plans from HMSA list Nash Witten 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 Nash Witten affiliated with any hospitals?

According to CMS data, Nash Witten is affiliated with The Queens Medical Center.

When was this NPI record last updated?

The NPPES record for Nash Witten was last updated on February 7, 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.