NPPES file of Aug 9, 2026

Steve J. Cheng, MD

Gastroenterology Physician · Walnut Creek, CA

Steve J. Cheng, MD is a gastroenterology physician with a practice address in Walnut Creek, California, and NPI 1245318328, issued on Nov 2, 2006. Check the license (California A78514, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245318328
Name
Steve J. Cheng
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A78514 CA
Self-reported in NPPES; status is on the state search
Practice location
112 LA Casa Via Ste 320, Walnut Creek, CA 94598
Phone
(925) 939-5599
Enumerated
Nov 2, 2006
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A785140 CA
Medicare enrollment
Enrolled (PECOS I20070619000321); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1996
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.
Download card Updates feed

Also registered at 112 LA Casa Via Ste 320

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

  1. David Lin, M.D.Gastroenterology Physician1982664041

Verify Steve J. Cheng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78514
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

66% more Medicare Part D claims than the average gastroenterology physician in 2024

1,345 Medicare Part D claims for 525 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Steve Cheng1,345
  2. Specialty average811

Most prescribed

  1. Gavilyte-C295 claims
  2. Pantoprazole Sodium243 claims
  3. Famotidine77 claims
  4. Lactulose47 claims
  5. Tramadol Hcl44 claims
  6. Zenpep41 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 one group practice

  1. Permanente Medical Group IncAntioch, CA

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

Steve J. Cheng among 2,140 gastroenterology physician records in California

Steve J. Cheng, 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
  • Graduated1996 · median 2002 among the 1,538 with a school on file
  • Record last updated2021 · 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. Mervyn Becker, MDWalnut Creek, CA 945981841329430
  2. Shireen Ghorbani, M.D.Walnut Creek, CA 945981083845598
  3. Varujan Keledjian, M.D.Walnut Creek, CA 945981508831678
  4. Henry Kung, M.D.Walnut Creek, CA 945981518941673
  5. Will Lane, M.D.Walnut Creek, CA 945981548244684
  6. David Lin, M.D.Walnut Creek, CA 945981982664041
  7. Cynthia Mullen, M.D.Walnut Creek, CA 945981013123140
  8. Drew Schembre, MDWalnut Creek, CA 945981366557217

Common questions

What is Steve J. Cheng, MD's NPI number?

Steve J. Cheng, MD's National Provider Identifier (NPI) is 1245318328, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steve J. Cheng, MD located?

The NPPES record lists a practice address at 112 LA Casa Via Ste 320, Walnut Creek, CA, 94598. Phone: (925) 939-5599. Providers update this record themselves, so call before visiting.

How can I verify Steve J. Cheng, MD's license?

NPPES lists California license number A78514, 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 Steve J. Cheng, MD prescribe under Medicare Part D?

In 2024, Steve J. Cheng, MD had 1,345 Medicare Part D claims for 525 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.