Doctor profile · Federal record

Dr. Claudia Sanmiguel, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Santa Monica, CA

  • NPI 1144474610
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1301 20Th St Ste 280
Santa Monica, CA 904042053
(310) 829-6789
fax (424) 291-4197
Additional location
5401 E El Jardin St
Long Beach, CA 908154115
(310) 883-8320
Mailing address
5401 E El Jardin St
Long Beach, CA 908154115

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
September 14, 2021
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A116218

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144474610. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
784
Distinct HCPCS
10
Medicare allowed
$119,839
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 240 153 $196
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 146 74 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 90 87 $110
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 41 $139
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $183
45380 Biopsy of large bowel using a flexible endoscope 40 40 $130
99205 New patient office or other outpatient visit, 60-74 minutes 36 36 $241
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 28 22 $127
99214 Established patient office or other outpatient visit, 30-39 minutes 21 21 $141
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 18 18 $215

In context: peer comparison

Among 10 peers in Santa Monica Gastroenterology Physician, average services per provider: 98. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,513
Transactions
55
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 26 $600.89
Janssen Biotech, INC. 6 $189.71
Histosonics,INC. 1 $117.38
Lilly USA, LLC 4 $104.79
Merck Sharp & Dohme LLC 4 $102.66
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $76.86
Celgene Corporation 2 $46.55
Boehringer Ingelheim Pharmaceuticals, INC. 1 $34.70
Ardelyx, INC. 1 $32.38
Aimmune Therapeutics, INC. 1 $28.00
Genzyme Corporation 1 $24.24
Phathom Pharmaceuticals, INC. 1 $22.96
Alnylam Pharmaceuticals INC. 1 $21.84
Qol Medical, LLC 1 $20.01
Regeneron Healthcare Solutions, INC. 1 $19.57

By nature of payment

Food and Beverage
$1,491
Education
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
518
Patients
278
Total drug cost
$64,322
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 171 90 $2,283
Famotidine Generic 91 57 $1,498
Dicyclomine Hcl Generic 84 57 $2,920
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 38 37 $2,845
Trulance (Plecanatide) Brand 36 0 $30,351
Omeprazole Generic 23 0 $213
Mesalamine Generic 20 0 $12,102
Lansoprazole Generic 15 11 $1,394
Sucralfate Generic 15 15 $335
Metoclopramide Hcl Generic 13 11 $52

Frequently asked questions

Auto-generated from federal data
What is Dr. Claudia Sanmiguel's medical specialty?
Dr. Claudia Sanmiguel practices Gastroenterology Physician in Santa Monica, CA.
Where does Dr. Claudia Sanmiguel practice?
Dr. Claudia Sanmiguel practices at 1301 20Th St Ste 280, Santa Monica, CA 904042053. Office phone: 3108296789.
What is Dr. Claudia Sanmiguel's NPI?
Dr. Claudia Sanmiguel's National Provider Identifier (NPI) is 1144474610, issued by NPPES.
Does Dr. Claudia Sanmiguel accept Medicare assignment?
Yes. Dr. Claudia Sanmiguel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claudia Sanmiguel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.