Claudia Patricia Sanmiguel, M.D.
Gastroenterology Physician · Santa Monica, CA
Claudia Patricia Sanmiguel, M.D. is a gastroenterology physician with a practice address in Santa Monica, California, and NPI 1144474610, issued on Nov 11, 2008. Check the license (California A116218, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Claudia Patricia Sanmiguel
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A116218 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1301 20TH St Ste 280, Santa Monica, CA 90404
- Phone
- (310) 829-6789
- Enumerated
- Nov 11, 2008
- Record last updated
- Sep 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (424) 291-4197
- Medicare enrollment
- Enrolled (PECOS I20140818001142); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1301 20TH St Ste 280
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Banks, FNP-CNurse Practitioner1992347496
- Rudolph Bedford, M.D.Gastroenterology Physician1902885684
- Rahul Dixit, M.D.Gastroenterology Physician1508073057
- Marc Harwitt, M.D.Gastroenterology Physician1285613943
- Daisy Lankarani, M.D.Gastroenterology Physician1881078467
- Julia Lee, PA-CPhysician Assistant1093280604
Verify Claudia Patricia Sanmiguel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average gastroenterology physician in 2024
677 Medicare Part D claims for 223 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Pantoprazole Sodium139 claims
- Famotidine107 claims
- Dicyclomine Hcl106 claims
- Trulance33 claims
- Omeprazole28 claims
- Linzess22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,513.01
59 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Saint Johns Medical FoundationSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claudia Patricia Sanmiguel among 2,140 gastroenterology physician records in California
Claudia Patricia Sanmiguel, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1988 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Santa Monica → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Parviz Afshani, M.D.Santa Monica, CA 904041083693766
- Rudolph Bedford, M.D.Santa Monica, CA 904041902885684
- Richard Corlin, M.D.Santa Monica, CA 904041649259268
- Nathan Elson, M.D.Santa Monica, CA 904041750388526
- Charles Frankel, M.D.Santa Monica, CA 904041558310805
- Marc Harwitt, M.D.Santa Monica, CA 904041285613943
- Jerome Helman, MDSanta Monica, CA 904041093876831
- Danice Hertz, M.D.Santa Monica, CA 904041760431027
Common questions
What is Claudia Patricia Sanmiguel, M.D.'s NPI number?
Claudia Patricia Sanmiguel, M.D.'s National Provider Identifier (NPI) is 1144474610, issued on Nov 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Claudia Patricia Sanmiguel, M.D. located?
The NPPES record lists a practice address at 1301 20TH St Ste 280, Santa Monica, CA, 90404. Phone: (310) 829-6789. Providers update this record themselves, so call before visiting.
How can I verify Claudia Patricia Sanmiguel, M.D.'s license?
NPPES lists California license number A116218, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Claudia Patricia Sanmiguel, M.D. prescribe under Medicare Part D?
In 2024, Claudia Patricia Sanmiguel, M.D. had 677 Medicare Part D claims for 223 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.