Christopher Rombaoa, M.D.
Gastroenterology Physician · San Jose, CA
Christopher Rombaoa, M.D. is a gastroenterology physician with a practice address in San Jose, California, and NPI 1225457211, issued on Apr 7, 2014. Check the license (California 1147334, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Rombaoa
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 1147334 CA
Self-reported in NPPES; status is on the state search - Practice location
- 751 South Bascom Avenue, San Jose, CA 95128
- Phone
- (619) 972-6910
- Enumerated
- Apr 7, 2014
- Record last updated
- Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170615002715); 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 751 South Bascom Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Henry Huie, MDPhysical Medicine & Rehabilitation Physician1477705101
- Peter Intemann, MDEmergency Medicine Physician1881899805
- Chen-Tsen Shu, M.D.Internal Medicine Physician1124264163
Verify Christopher Rombaoa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 1147334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average gastroenterology physician in 2024
599 Medicare Part D claims for 183 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf86 claims
- Rabeprazole Sodium76 claims
- Omeprazole70 claims
- Linzess47 claims
- Famotidine39 claims
- Sucralfate36 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: $1,252.95
38 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Rombaoa among 2,140 gastroenterology physician records in California
Christopher Rombaoa, 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 2014, is newer than 83% of them.
- NPI issued2014 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2014 · 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 San Jose → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Chui, MDSan Jose, CA 951281942373998
- Michael Fogel, MDSan Jose, CA 951281669598157
- Ahmad Kamal, MDSan Jose, CA 951281598703787
- Christopher Knauer, MDSan Jose, CA 951281881894194
- Richard Kramer, MDSan Jose, CA 951281467416362
- Brian Levitt, M.D.San Jose, CA 951281235257759
- David Lin, M.D.San Jose, CA 951281386910560
- Nimeesh Shah, MDSan Jose, CA 951281740308592
Common questions
What is Christopher Rombaoa, M.D.'s NPI number?
Christopher Rombaoa, M.D.'s National Provider Identifier (NPI) is 1225457211, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Rombaoa, M.D. located?
The NPPES record lists a practice address at 751 South Bascom Avenue, San Jose, CA, 95128. Phone: (619) 972-6910. Providers update this record themselves, so call before visiting.
How can I verify Christopher Rombaoa, M.D.'s license?
NPPES lists California license number 1147334, 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 Christopher Rombaoa, M.D. prescribe under Medicare Part D?
In 2024, Christopher Rombaoa, M.D. had 599 Medicare Part D claims for 183 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.