Eric Szu
Gastroenterology Physician · Coronado, CA
Eric Szu is a gastroenterology physician with a practice address in Coronado, California, and NPI 1578945853, issued on Jun 23, 2015. Check the license (California A159598, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric Szu
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A159598 CA
ME139232 FL
MDN19389 HI
Self-reported in NPPES; status is on the state search - Practice location
- 131 Orange Ave Ste 101, Coronado, CA 92118
- Phone
- (619) 522-0399
- Enumerated
- Jun 23, 2015
- Record last updated
- Mar 17, 2026
- Fax
- (619) 522-0375
- Medicare enrollment
- Enrolled (PECOS I20220713001972); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 131 Orange Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tarek Hassanein, M.D.Hepatology Physician1801854450
Verify Eric Szu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A159598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average gastroenterology physician in 2024
822 Medicare Part D claims for 334 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 Sodium208 claims
- Gavilyte-G131 claims
- Omeprazole93 claims
- Famotidine87 claims
- Peg-3350 And Electrolytes84 claims
- Linzess42 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: $172.73
7 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
- Southern California Liver Centers IncCoronado, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Szu among 2,140 gastroenterology physician records in California
Eric Szu 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 2015, is newer than 85% of them.
- NPI issued2015 · 85% of these records are older, 12% 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 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 Coronado → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Karen Gordon, MDCoronado, CA 921181164506408
- Daniel Anderson, MDSan Diego, CA 921201932286549
- Christopher Costanza, MDSan Diego, CA 921201760559603
- Steven Feitelberg, MDSan Diego, CA 921201972674885
- Meng Hua, MDSan Diego, CA 921201962502773
- Donald Lipkis, MDSan Diego, CA 921201790772978
- George Longstreth, MDSan Diego, CA 921201285793869
- Michael Mottet, MDSan Diego, CA 921201184772154
Common questions
What is Eric Szu's NPI number?
Eric Szu's National Provider Identifier (NPI) is 1578945853, issued on Jun 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Eric Szu located?
The NPPES record lists a practice address at 131 Orange Ave Ste 101, Coronado, CA, 92118. Phone: (619) 522-0399. Providers update this record themselves, so call before visiting.
How can I verify Eric Szu's license?
NPPES lists California license number A159598, 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 Eric Szu prescribe under Medicare Part D?
In 2024, Eric Szu had 822 Medicare Part D claims for 334 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.