Doctor profile · Federal record

Dr. Frederick Nitta, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Hilo, HI

  • NPI 1023119385
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
670 Ponahawai St, Suite 200
Hilo, HI 967202660
(808) 961-5922
fax (808) 969-1924

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
February 7, 2008
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Hawaii #MD6338
Medicaid
HI #041524-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023119385. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
3
Medicare allowed
$22,355
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 100 44 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 95 45 $95
G0442 Annual alcohol misuse screening, 5 to 15 minutes 17 17 $20

In context: peer comparison

Among 2 peers in Hilo Obstetrics & Gynecology Physician, average services per provider: 49. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
734
Patients
204
Total drug cost
$20,525
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 112 30 $2,108
Lisinopril Generic 79 27 $892
Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) Brand 73 28 $853
Calcitonin-Salmon (Calcitonin,Salmon,Synthetic) Brand 55 24 $5,459
Labetalol Hcl Generic 50 16 $1,446
Metformin Hcl Generic 50 16 $550
Amlodipine Besylate Generic 46 0 $728
Ibuprofen Generic 46 22 $381
Furosemide Generic 42 15 $216
Losartan Potassium Generic 36 11 $1,217

Frequently asked questions

Auto-generated from federal data
What is Dr. Frederick Nitta's medical specialty?
Dr. Frederick Nitta practices Obstetrics & Gynecology Physician in Hilo, HI.
Where does Dr. Frederick Nitta practice?
Dr. Frederick Nitta practices at 670 Ponahawai St, Hilo, HI 967202660. Office phone: 8089615922.
What is Dr. Frederick Nitta's NPI?
Dr. Frederick Nitta's National Provider Identifier (NPI) is 1023119385, issued by NPPES.
Does Dr. Frederick Nitta accept Medicare assignment?
Yes. Dr. Frederick Nitta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frederick Nitta commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual alcohol misuse screening, 5 to 15 minutes (HCPCS G0442). Source: CMS Medicare Physician & Other Practitioners file.