NPPES file of Aug 9, 2026

John C. Hoefs, MD

Gastroenterology Physician · Irvine, CA

John C. Hoefs, MD is a gastroenterology physician with a practice address in Irvine, California, and NPI 1154425742, issued on Sep 12, 2006. Check the license (California 000000G26324, 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
1154425742
Name
John C. Hoefs
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
000000G26324 CA
Self-reported in NPPES; status is on the state search
Practice location
16305 Sand Canyon Ave, Irvine, CA 92618
Phone
(949) 748-7474
Enumerated
Sep 12, 2006
Record last updated
Dec 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(949) 272-5858
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 16305 Sand Canyon Ave

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

  1. Kimberly BentonAdvanced Practice Midwife1619798808
  2. Azita Mesbah, MDNephrology Physician1184670630

Verify John C. Hoefs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 000000G26324
    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

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81% fewer Medicare Part D claims than the average gastroenterology physician in 2024

151 Medicare Part D claims for 46 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. John Hoefs151
  2. Specialty average811

Most prescribed

  1. Ursodiol32 claims
  2. Vemlidy26 claims
  3. Tenofovir Disoproxil Fumarate14 claims
  4. Xifaxan13 claims
  5. Prednisone11 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.

John C. Hoefs among 2,140 gastroenterology physician records in California

John C. Hoefs, 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 fileNo · 72% of these records are
  • Record last updated2016 · 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. Ardalan Babaknia, MDIrvine, CA 926181366527491
  2. Shahrooz BemanianIrvine, CA 926181629123070
  3. You-Jen Chou, MDIrvine, CA 926181104070887
  4. Lino Deguzman, M.D.Irvine, CA 926181346324720
  5. David Kaufman, D.O.Irvine, CA 926181508893363
  6. Herbert Lee, MDIrvine, CA 926181740206689
  7. Paul Lee, MDIrvine, CA 926181760531693
  8. Hooshang Meshkinpour, M.D.Irvine, CA 926181053386243

Common questions

What is John C. Hoefs, MD's NPI number?

John C. Hoefs, MD's National Provider Identifier (NPI) is 1154425742, issued on Sep 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John C. Hoefs, MD located?

The NPPES record lists a practice address at 16305 Sand Canyon Ave, Irvine, CA, 92618. Phone: (949) 748-7474. Providers update this record themselves, so call before visiting.

How can I verify John C. Hoefs, MD's license?

NPPES lists California license number 000000G26324, 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 John C. Hoefs, MD prescribe under Medicare Part D?

In 2024, John C. Hoefs, MD had 151 Medicare Part D claims for 46 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.