Doctor profile · Federal record

Dr. Aaron Parrish, MD

Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Los Gatos, CA

  • NPI 1366799868
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
14850 Los Gatos Blvd
Los Gatos, CA 950322011
(408) 358-2868
fax (408) 358-6787
Additional location
1000 W Carson St # 461
Torrance, CA 905022004
(310) 222-2700
fax (310) 533-1841

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
May 13, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A128270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366799868. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
719
Distinct HCPCS
10
Medicare allowed
$133,380
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 131 131 $135
99204 New patient office or other outpatient visit, 45-59 minutes 117 117 $198
45380 Biopsy of large bowel using a flexible endoscope 90 90 $103
99214 Established patient office or other outpatient visit, 30-39 minutes 86 72 $153
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 85 85 $277
46600 Diagnostic exam of anus using an endoscope 46 44 $160
99213 Established patient office or other outpatient visit, 20-29 minutes 41 30 $109
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 38 38 $203
46221 Removal of external hemorrhoids by rubber banding 34 25 $365
45300 Diagnostic exam of rectum and lower large bowel using an endoscope 14 14 $27

In context: peer comparison

Among 3 peers in this city , average services per provider: 43. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,901
Transactions
13
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Ethicon Inc. 2 $1,583.45
BIOTISSUE HOLDINGS INC. 2 $82.62
Aroa Biosurgery Incorporated 2 $70.10
Integra LifeSciences Corporation 2 $52.84
SpringWorks Therapeutics, Inc. 1 $33.38
COLOPLAST CORP 1 $25.79
Smith+Nephew, Inc. 1 $21.87
MIMEDX Group, Inc. 1 $16.43
Braintree Laboratories, Inc. 1 $14.56

By nature of payment

Consulting Fee
$1,560
Food and Beverage
$318
Travel and Lodging
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
110
Total drug cost
$11,203
Drug Type Claims Patients Total cost
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 48 48 $8,060
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 39 39 $3,086
Metronidazole Generic 24 23 $57

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Parrish's medical specialty?
Dr. Aaron Parrish practices Surgery Physician in Los Gatos, CA.
Where does Dr. Aaron Parrish practice?
Dr. Aaron Parrish practices at 14850 Los Gatos Blvd, Los Gatos, CA 950322011. Office phone: 4083582868.
What is Dr. Aaron Parrish's NPI?
Dr. Aaron Parrish's National Provider Identifier (NPI) is 1366799868, issued by NPPES.
Does Dr. Aaron Parrish accept Medicare assignment?
Yes. Dr. Aaron Parrish accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Parrish commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.