NPPES file of Aug 9, 2026

Ronald Hsu, MD

Gastroenterology Physician · Roseville, CA

Ronald Hsu, MD is a gastroenterology physician with a practice address in Roseville, California, and NPI 1700912318, issued on Feb 26, 2007. Check the license (California A44067, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700912318
Name
Ronald Hsu
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A44067 CA
Self-reported in NPPES; status is on the state search
Practice location
568 N Sunrise Ave Ste 330, Roseville, CA 95661
Phone
(916) 773-6200
Enumerated
Feb 26, 2007
Record last updated
Mar 30, 2026
Fax
(916) 782-4550
Medicare enrollment
Enrolled (PECOS I20080818000662); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 568 N Sunrise Ave Ste 330

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Canio, M.D.Gastroenterology Physician1598804346
  2. Randell Vallero, MDGastroenterology Physician1669512687

Verify Ronald Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A44067
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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8% more Medicare Part D claims than the average gastroenterology physician in 2024

877 Medicare Part D claims for 229 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Ronald Hsu877
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium180 claims
  2. Omeprazole105 claims
  3. Mesalamine80 claims
  4. Linzess62 claims
  5. Famotidine55 claims
  6. Dicyclomine Hcl32 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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $26,945.50

68 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.

  1. Ronald Hsu$26,946
  2. Specialty average$5,016

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

  1. Capitol Gastroenterology Consultants Medical Group IncRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ronald Hsu among 2,140 gastroenterology physician records in California

Ronald Hsu, 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 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 37% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1985 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Sreepriya Balasubramanian, MDRoseville, CA 956611922186642
  2. John Canio, M.D.Roseville, CA 956611598804346
  3. William Chen, M.D.Roseville, CA 956611982744942
  4. Rahul Dhillon, M.D.Roseville, CA 956611720283625
  5. Mahmoud Eltorai, MDRoseville, CA 956611316025083
  6. Theodor Feinstat, MDRoseville, CA 956611215063862
  7. Gerardo Lamiel, MDRoseville, CA 956611508944273
  8. Anand Madan, M.D.Roseville, CA 956611366418006

Common questions

What is Ronald Hsu, MD's NPI number?

Ronald Hsu, MD's National Provider Identifier (NPI) is 1700912318, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Hsu, MD located?

The NPPES record lists a practice address at 568 N Sunrise Ave Ste 330, Roseville, CA, 95661. Phone: (916) 773-6200. Providers update this record themselves, so call before visiting.

How can I verify Ronald Hsu, MD's license?

NPPES lists California license number A44067, 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 Ronald Hsu, MD prescribe under Medicare Part D?

In 2024, Ronald Hsu, MD had 877 Medicare Part D claims for 229 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Ronald Hsu, 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.