Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Frederick A. Nitta, MD

Sees patients in Hilo, HI · Hawaii

Summary

Frederick A. Nitta, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Hilo, HI. NPI 1023119385. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Frederick A. Nitta, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
University Of Hawaii John A. Burns School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Frederick A. Nitta see patients?
Medicare's clinician data lists 1 practice location in Hilo, HI. Call before your visit to confirm the address.
What is Frederick A. Nitta's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty, and also General Practice.
Does Frederick A. Nitta accept Medicare assignment?
Yes. Medicare's clinician data says Frederick A. Nitta accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Frederick A. Nitta?
(808) 961-5922, as listed in official Medicare / NPI Registry data.
What is Frederick A. Nitta's NPI number?
1023119385. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Frederick A. Nitta is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Obstetrics/Gynecology doctors in Hawaii →

Other OB-GYNs in Hilo

Clinicians with the same Medicare primary specialty in Hilo, HI — not a recommendation.

All OB-GYNs in Hilo →

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023119385
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians