Doctor profile · Federal record

Dr. Don Nishiguchi, M.D.

Obstetrics Physician (CMS: Obstetrics/Gynecology) · Valencia, CA

  • NPI 1043368277
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
27871 Smyth Dr, 102
Valencia, CA 913556061
(661) 259-1781
fax (661) 259-4571

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 26, 2007
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207VX0000X — NUCC code
State license (1)
California #G055628

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043368277. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
4
Medicare allowed
$17,342
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 136 136 $43
99214 Established patient office or other outpatient visit, 30-39 minutes 53 40 $137
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 19 13 $133
76856 Complete ultrasound scan of pelvis 15 12 $116

In context: peer comparison

Among 1 peers in this city , average services per provider: 55. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$166
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Exeltis, USA Inc. 3 $55.18
Astellas Pharma US Inc 2 $47.08
PFIZER INC. 1 $27.95
Organon Llc 1 $20.44
SHIELD THERAPEUTICS INC 1 $15.47

By nature of payment

Food and Beverage
$166

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
44
Patients
14
Total drug cost
$873
Drug Type Claims Patients Total cost
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 22 14 $381
Acyclovir Generic 11 0 $212
Progesterone (Progesterone, Micronized) Brand 11 0 $280

Frequently asked questions

Auto-generated from federal data
What is Dr. Don Nishiguchi's medical specialty?
Dr. Don Nishiguchi practices Obstetrics Physician in Valencia, CA.
Where does Dr. Don Nishiguchi practice?
Dr. Don Nishiguchi practices at 27871 Smyth Dr, Valencia, CA 913556061. Office phone: 6612591781.
What is Dr. Don Nishiguchi's NPI?
Dr. Don Nishiguchi's National Provider Identifier (NPI) is 1043368277, issued by NPPES.
Does Dr. Don Nishiguchi accept Medicare assignment?
Yes. Dr. Don Nishiguchi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Don Nishiguchi commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830). Source: CMS Medicare Physician & Other Practitioners file.