Cainan Foltz, MD
Gastroenterology Physician · San Diego, CA
Cainan Foltz, MD is a gastroenterology physician with a practice address in San Diego, California, and NPI 1033434071, issued on Apr 1, 2010. Check the license (California A116914, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cainan Foltz
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A116914 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8008 Frost St Ste 200, San Diego, CA 92123
- Phone
- (858) 292-7527
- Enumerated
- Apr 1, 2010
- Record last updated
- May 13, 2026
- Fax
- (858) 863-5010
- Medicare enrollment
- Enrolled (PECOS I20120827000449); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2009
- 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 8008 Frost St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew BenderGastroenterology Physician1154716454
- William ChenGastroenterology Physician1366837890
- Denise Corriveau, PAPhysician Assistant1902420938
- Sergio Flores, MDGastroenterology Physician1588674022
- Makayla HughesPhysician Assistant1467263418
- William Minteer, MDGastroenterology Physician1184186421
Verify Cainan Foltz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average gastroenterology physician in 2024
720 Medicare Part D claims for 251 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Pantoprazole Sodium175 claims
- Sod Sulf-Potass Sulf-Mag Sulf123 claims
- Omeprazole98 claims
- Creon33 claims
- Mesalamine31 claims
- Linzess20 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,542.18
64 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
- San Diego Digestive Disease Consultants Inc A Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cainan Foltz among 2,140 gastroenterology physician records in California
Cainan Foltz, MD 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 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2002 among the 1,538 with a school on file
- Record last updated2026 · 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 San Diego → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Bennett, MDSan Diego, CA 921231700895927
- Susan Chu, M.D.San Diego, CA 921231033127162
- Sergio Flores, MDSan Diego, CA 921231588674022
- R Johnson, M.D.San Diego, CA 921231548272446
- Darren Keller, M.D.San Diego, CA 921231013988922
- Hyun Kim, MDSan Diego, CA 921231013023365
- Daniel Lee, M.D.San Diego, CA 921231063522613
- John Person, M.D.San Diego, CA 921231285647297
Common questions
What is Cainan Foltz, MD's NPI number?
Cainan Foltz, MD's National Provider Identifier (NPI) is 1033434071, issued on Apr 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Cainan Foltz, MD located?
The NPPES record lists a practice address at 8008 Frost St Ste 200, San Diego, CA, 92123. Phone: (858) 292-7527. Providers update this record themselves, so call before visiting.
How can I verify Cainan Foltz, MD's license?
NPPES lists California license number A116914, 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 Cainan Foltz, MD prescribe under Medicare Part D?
In 2024, Cainan Foltz, MD had 720 Medicare Part D claims for 251 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Cainan Foltz, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.