Doctor profile · Federal record

Dr. Sergio Flores, MD

Gastroenterology Physician (CMS: Gastroenterology) · San Diego, CA

  • NPI 1588674022
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8008 Frost St, Ste 200
San Diego, CA 921234205
(858) 292-7527
fax (858) 292-7804

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 11, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #G69854
Medicaid
CA #GR0027570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588674022. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
555
Distinct HCPCS
8
Medicare allowed
$62,955
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 166 165 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 119 114 $137
45380 Biopsy of large bowel using a flexible endoscope 71 71 $171
99204 New patient office or other outpatient visit, 45-59 minutes 59 59 $177
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43 43 $90
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 41 $260
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 36 36 $185
99213 Established patient office or other outpatient visit, 20-29 minutes 20 17 $97

In context: peer comparison

Among 31 peers in San Diego Gastroenterology Physician, average services per provider: 52. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,537
Transactions
50
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 12 $254.61
Kuros Biosciences USA, INC 1 $215.10
Janssen Biotech, INC. 8 $169.39
Takeda Pharmaceuticals U.S.A., INC. 6 $161.86
Intercept Pharmaceuticals, INC. 5 $113.65
Novo Nordisk INC 1 $89.29
Genzyme Corporation 2 $87.38
Regeneron Healthcare Solutions, INC. 2 $74.51
Gilead Sciences, INC. 4 $67.87
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $51.04
Lilly USA, LLC 1 $33.85
Orphalan INC 1 $31.70
Qol Medical, LLC 2 $29.98
Evoke Pharma, INC. 1 $27.77
Phathom Pharmaceuticals, INC. 1 $26.54

By nature of payment

Food and Beverage
$1,537

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
497
Patients
222
Total drug cost
$65,086
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 185 54 $3,111
Omeprazole Generic 110 37 $2,049
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 104 102 $8,282
Mesalamine Generic 28 0 $23,827
Famotidine Generic 17 0 $242
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 16 16 $2,906
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 13 13 $229
Linzess (Linaclotide) Brand 12 0 $6,635
Vemlidy (Tenofovir Alafenamide) Brand 12 0 $17,806

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sergio Flores's medical specialty?
Dr. Sergio Flores practices Gastroenterology Physician in San Diego, CA.
Where does Dr. Sergio Flores practice?
Dr. Sergio Flores practices at 8008 Frost St, San Diego, CA 921234205. Office phone: 8582927527.
What is Dr. Sergio Flores's NPI?
Dr. Sergio Flores's National Provider Identifier (NPI) is 1588674022, issued by NPPES.
Does Dr. Sergio Flores accept Medicare assignment?
Yes. Dr. Sergio Flores accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sergio Flores commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.