Erick Peiren Chan, MD
Gastroenterology Physician · Palo Alto, CA
Erick Peiren Chan, MD is a gastroenterology physician with a practice address in Palo Alto, California, and NPI 1497817746, issued on Dec 14, 2006. Check the license (California A104264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erick Peiren Chan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A104264 CA
MD426035 PA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-2972
- Enumerated
- Dec 14, 2006
- Record last updated
- May 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090302000055); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2001
- 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 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sara AbrahamsInternal Medicine Physician1952988354
- Nana Efua Adabie, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1437647732
- Amy Adams, M.D.Dermatology Physician1679643928
- William Adams, DPMFoot & Ankle Surgery Podiatrist1447487830
Verify Erick Peiren Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A104264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average gastroenterology physician in 2024
766 Medicare Part D claims for 425 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf284 claims
- Omeprazole107 claims
- Ursodiol46 claims
- Vemlidy43 claims
- Entecavir40 claims
- Peg 3350-Electrolyte31 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: $78.61
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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 FoundationPalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erick Peiren Chan among 2,140 gastroenterology physician records in California
Erick Peiren Chan, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2001 · median 2002 among the 1,538 with a school on file
- Record last updated2020 · 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 Palo Alto → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Richard Babb, M.D.Palo Alto, CA 943011457420861
- Yasser Bhat, M.D.Palo Alto, CA 943011891896320
- Ryan McConnell, MDPalo Alto, CA 943011013151588
- Mythili Pathipati, MDPalo Alto, CA 943011306336490
- Eugenio Picazo, MDPalo Alto, CA 943011831251503
- Aarti Rao, MDPalo Alto, CA 943011780971044
- Paul Rubinstein, M.D.Palo Alto, CA 943011316051733
- Robert Ruskin, MDPalo Alto, CA 943011316159932
Common questions
What is Erick Peiren Chan, MD's NPI number?
Erick Peiren Chan, MD's National Provider Identifier (NPI) is 1497817746, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erick Peiren Chan, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-2972. Providers update this record themselves, so call before visiting.
How can I verify Erick Peiren Chan, MD's license?
NPPES lists California license number A104264, 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 Erick Peiren Chan, MD prescribe under Medicare Part D?
In 2024, Erick Peiren Chan, MD had 766 Medicare Part D claims for 425 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.