Laura S. Chiu, MD, MPH
Gastroenterology Physician · San Francisco, CA
Laura S. Chiu, MD, MPH is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1083076350, issued on Mar 24, 2016. Check the license (California A201575, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Laura S. Chiu
- Credential
- MD, MPH
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A201575 CA
294446 MA
Self-reported in NPPES; status is on the state search - Practice location
- 521 Parnassus Ave FL 2, San Francisco, CA 94143
- Phone
- (415) 476-1000
- Enumerated
- Mar 24, 2016
- Record last updated
- Aug 20, 2025
- Medicaid IDs
- 110116795A MA
3138707 NH
A201575 CA - Medicare enrollment
- Enrolled (PECOS I20250711003363); 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 521 Parnassus Ave FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Allen, MDStudent in an Organized Health Care Education/Training Program1184566408
- Bassell Alsad, MDStudent in an Organized Health Care Education/Training Program1720920986
- Dixie Blumenshine, MDStudent in an Organized Health Care Education/Training Program1962344762
- Alejandra Garcia, MDStudent in an Organized Health Care Education/Training Program1902747645
- Jessica Garcia PalaciosStudent in an Organized Health Care Education/Training Program1245039411
- Irvin Garcia Real, MDStudent in an Organized Health Care Education/Training Program1033052550
Verify Laura S. Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A201575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average gastroenterology physician in 2024
206 Medicare Part D claims for 78 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
- Omeprazole38 claims
- Linzess25 claims
- Famotidine18 claims
- Gavilyte-G16 claims
- Pantoprazole Sodium14 claims
- Peg-3350 And Electrolytes14 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.
Bills Medicare through 2 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Laura S. Chiu among 2,140 gastroenterology physician records in California
Laura S. Chiu, MD, MPH 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 2016, is newer than 88% of them.
- NPI issued2016 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 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 Francisco → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kendall BeckSan Francisco, CA 941431972892057
- John Cello, MDSan Francisco, CA 941431346205168
- Joseph Chen, M.D.San Francisco, CA 941431558500603
- Jennifer Chen, MDSan Francisco, CA 941431376771758
- Lukejohn Day, M.D.San Francisco, CA 941431669623773
- Jeanne-Marie GiardSan Francisco, CA 941431194134460
- Courtney Gonzales, M.D.San Francisco, CA 941431669708830
- Abdul Kouanda, MDSan Francisco, CA 941431144648833
Common questions
What is Laura S. Chiu, MD, MPH's NPI number?
Laura S. Chiu, MD, MPH's National Provider Identifier (NPI) is 1083076350, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Laura S. Chiu, MD, MPH located?
The NPPES record lists a practice address at 521 Parnassus Ave FL 2, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.
How can I verify Laura S. Chiu, MD, MPH's license?
NPPES lists California license number A201575, 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 Laura S. Chiu, MD, MPH prescribe under Medicare Part D?
In 2024, Laura S. Chiu, MD, MPH had 206 Medicare Part D claims for 78 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.