Doctor profile · Federal record

Dr. Peter Castillo, M.D.

Female Pelvic Medicine and Reconstructive Surgery (Obstetrics & Gynecology) Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Los Gatos, CA

  • NPI 1164521035
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15215 National Ave Ste 104
Los Gatos, CA 950322425
(925) 905-9922
fax (925) 905-9925

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207VF0040X — NUCC code
State licenses (2)
California #A109681 · Florida #ME96973

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164521035. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
245
Distinct HCPCS
7
Medicare allowed
$33,027
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 95 59 $109
51701 Insertion of temporary bladder tube 56 41 $55
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $196
99214 Established patient office or other outpatient visit, 30-39 minutes 26 21 $152
51729 Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies 11 11 $504
51784 Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 11 11 $39
51797 Insertion of device into abdomen with pressure and urine flow rate study 11 11 $258

In context: peer comparison

Among 1 peers in this city , average services per provider: 35. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$632
Transactions
21
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Caldera Medical, Inc 3 $167.78
Boston Scientific Corporation 1 $128.04
Sumitomo Pharma America, Inc. 3 $97.17
MAYNE PHARMA COMMERCIAL LLC 8 $60.37
COLOPLAST CORP 1 $56.06
ABBVIE INC. 2 $49.04
BLUEWIND MEDICAL 1 $34.19
Astellas Pharma US Inc 1 $24.23
Acella Pharmaceuticals, LLC 1 $14.89

By nature of payment

Food and Beverage
$632

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
583
Patients
168
Total drug cost
$141,041
Drug Type Claims Patients Total cost
Estradiol Generic 157 66 $18,177
Myrbetriq (Mirabegron) Brand 80 23 $79,669
Np Thyroid (Thyroid,pork) Brand 43 0 $2,063
Progesterone (Progesterone, Micronized) Brand 41 17 $3,034
Liothyronine Sodium Generic 38 14 $2,653
Imvexxy (Estradiol) Brand 35 13 $14,350
Levothyroxine Sodium Generic 34 0 $536
Spironolactone Generic 31 0 $241
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 27 12 $1,924
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 19 12 $281

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Castillo's medical specialty?
Dr. Peter Castillo practices Female Pelvic Medicine and Reconstructive Surgery (Obstetrics & Gynecology) Physician in Los Gatos, CA.
Where does Dr. Peter Castillo practice?
Dr. Peter Castillo practices at 15215 National Ave Ste 104, Los Gatos, CA 950322425. Office phone: 9259059922.
What is Dr. Peter Castillo's NPI?
Dr. Peter Castillo's National Provider Identifier (NPI) is 1164521035, issued by NPPES.
Does Dr. Peter Castillo accept Medicare assignment?
Yes. Dr. Peter Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of temporary bladder tube (HCPCS 51701); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.