Eric Szu

  • Chula Vista, CA
  • Gastroenterologist
NPI1578945853PAC ID2769758218
Medicare services, 2024
647
Medicare patients, 2024
313
Part D claims, 2024
822
Hospital affiliations
2
Industry payments
$1,315
Practice address
400 E St, Chula Vista, CA 91910
Practice phone
Call (619) 621-2622
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Alfa Surgery Center

Surgery Center - Medicare-Certified · Chula Vista, California

See all 6 affiliations

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Eric Szu is a gastroenterologist in Chula Vista, California

Eric Szu practices at Alfa Surgery Center in Chula Vista, California.

Eric Szu's NPI, 1578945853, was assigned on June 23, 2015. Eric Szu graduated from American University of the Caribbean School of Medicine in 2015. Eric Szu holds California license A159598.

NPI and contact details
Medicare PAC ID
2769758218
NPI enumeration date
June 23, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 621-2622
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Eric Szu practices at Alfa Surgery Center in Chula Vista, California

Eric Szu's primary practice is Alfa Surgery Center, at 400 E St, Chula Vista, CA 91910. The practice phone is (619) 621-2622.

  • Alfa Surgery Center
    400 E St, Chula Vista, CA 91910Phone(619) 621-2622

Source: Dmand AI Affiliation Data

Eric Szu is affiliated with 4 sites of care and 2 medical groups

Eric Szu's primary practice is Alfa Surgery Center in Chula Vista, California. Eric Szu is also affiliated with Sharp Chula Vista Medical Center. The medical group on file is Southern California GI & Liver Centers. Dmand AI also links Eric Szu to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Eric Szu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Eric Szu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Eric Szu practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alfa Surgery CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Eric Szu is one of 1,977 gastroenterologists in California

Gastroenterology is Eric Szu's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Eric Szu is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Eric Szu's licenses on file in 3 states: California, Florida and Hawaii.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A159598 · 2018 to 2026 · taxonomy 207RG0100X
  • Florida licenseLicense ME139232 · 2019 to 2023
  • Hawaii licenseLicense MDN19389 · 2017 to 2022

Clinical focus

Dmand AI lists colonoscopy, gastrointestinal bleeding, intestinal diverticulosis, irritable bowel syndrome (IBS) and upper GI endoscopy among the conditions Eric Szu treats.

Gastroenterologists near Eric Szu

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Eric Szu billed Medicare for 647 services in 2024

CMS data shows 647 Medicare services from Eric Szu across 11 procedure codes in 2024, for 313 Medicare patients. Medicare paid $66,053 for them.

Medicare services, 2024647
Medicare patients313
Paid by Medicare$66,053
Procedure codes11

Eric Szu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5022024: 4922%
Surgery
2023: 1942024: 15520%

Where Eric Szu's Medicare services took place, 2024

  • In an office6610%
  • In a facility58190%

Eric Szu compared with the California median for gastroenterologists, 2024

  • Eric Szu
  • California median
Medicare services
647vs 58610% above
Medicare patients
313vs 302Close to median
Part D claims
682vs 38079% above

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Eric Szu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Eric Szu treated 313 Medicare patients in 2024, average age 72

CMS counts 313 Medicare patients who saw Eric Szu in 2024. The largest group is 65 to 74, with 110 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 72% are also on Medicaid. Their average risk score is 3.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Eric Szu's median patient age at 61, with 56% women.

Medicare patients, 2024313
Average age72
Average risk score3.37
Also on Medicaid72%

Eric Szu's Medicare patients by age, 2024

Eric Szu's Medicare patients by sex, 2024

  • Women18058%
  • Men13342%

Chronic conditions among Eric Szu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease54%
  4. Diabetes53%
  5. Arthritis51%
  6. Heart failure51%
  7. Mood disorders48%
  8. COPD43%

Share of Medicare patients with each condition. A patient can have several.

Eric Szu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Eric Szu wrote 822 Medicare Part D claims in 2024

In 2024, Eric Szu wrote 822 Medicare Part D claims for 334 patients. 79% of them were for generic drugs. CMS names the drug for 682 of them, across 8 drugs with 11 or more claims each, at $33,075 in total drug cost. In 2023, CMS named 249 claims across 4 drugs.

Part D claims, 2024822
Drugs named by CMS8
Total drug cost$33,075
Part D patients334

Eric Szu's Part D claims by kind of drug, 2024

  • Generic652 claims79%
  • Brand-name170 claims21%

Eric Szu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Eric Szu's Part D claims, 2024

  • Antibiotics3%24 of 822 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2492024: 682174%

Drugs named by CMS: 8 in 2024, 4 in 2023.

See all prescribing by Eric Szu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Eric Szu ranks in the 79th percentile for colonoscopy in Medicare

Eric Szu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 97 procedures of colonoscopy by Eric Szu, more than 79% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Eric Szu ranks in Medicare procedure volume

Colonoscopy
79th percentile97 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
70th percentile71 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Eric Szu received $1,315 in industry payments from 2019 to 2025

CMS Open Payments shows 42 general payments to Eric Szu from 9 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 68% of the total. Olympus Corporation of the Americas paid the most, $577.

General payments to Eric Szu by program year, 2019 to 2025

General payments to Eric Szu by kind, 2019 to 2025

$1.3Kin total
  • Food and beverage$90068%
  • Travel and lodging$41632%

Companies that paid Eric Szu the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Eric Szu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Eric Szu graduated from American University of the Caribbean School of Medicine

Eric Szu graduated from American University of the Caribbean School of Medicine in 2015.

  1. Medical schoolAmerican University of the Caribbean School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Eric Szu accepts plans from 17 insurance carriers

Eric Szu is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Eric Szu accepts, by number of carriers

  1. Medicare10
  2. HMO9
  3. PPO9
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Eric Szu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Eric Szu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Eric Szu's NPI number?

Eric Szu's NPI number is 1578945853. It was assigned on June 23, 2015, and it is active in the NPI Registry.

What does Eric Szu specialize in?

Eric Szu is a gastroenterologist in Chula Vista, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Eric Szu practice?

Eric Szu practices at 400 E St, Chula Vista, CA 91910. Eric Szu's primary practice is Alfa Surgery Center in Chula Vista, California. Dmand AI also links Eric Szu to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Eric Szu's office phone number?

The practice phone on file for Eric Szu is (619) 621-2622.

What is Eric Szu's medical license number?

Eric Szu holds California license A159598, one of the licenses on file in 3 states.

Which states has Eric Szu been licensed in?

Dmand AI has state licenses on file for Eric Szu in California (2018 to 2026), Florida (2019 to 2023) and Hawaii (2017 to 2022).

Which hospitals is Eric Szu affiliated with?

Eric Szu is affiliated with Sharp Chula Vista Medical Center. Dmand AI links Eric Szu to 1 more hospital.

What medical group is Eric Szu part of?

Eric Szu is linked to Southern California GI & Liver Centers. Dmand AI links Eric Szu to 1 more medical group.

Does Eric Szu accept Medicare?

Yes. CMS data shows Eric Szu billed Medicare for 647 services in 2024, and Eric Szu accepts Medicare assignment.

How many Medicare patients does Eric Szu see?

CMS counts 313 Medicare patients who saw Eric Szu in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

Is Eric Szu board certified?

Yes. Eric Szu is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Eric Szu bill to Medicare?

In 2024, Eric Szu's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and surgery: digestive system (43239).

Where did Eric Szu go to medical school?

Eric Szu graduated from American University of the Caribbean School of Medicine in 2015.

What drugs does Eric Szu prescribe most?

In 2024 Medicare Part D data, Eric Szu's most prescribed drugs by claims were Pantoprazole Sodium, Gavilyte-G and Omeprazole.

Has Eric Szu received payments from drug or device companies?

CMS Open Payments shows $1,315 in general payments to Eric Szu from 9 companies from 2019 to 2025. The largest total came from Olympus Corporation of the Americas.

How long has Eric Szu been practicing?

Eric Szu graduated from medical school in 2015, 11 years ago.

What insurance does Eric Szu accept?

Eric Szu is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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