Registry data as of Aug 27, 2026

John Lee, MD

Gastroenterology Physician · Orange, CA

John Lee, MD is a gastroenterology physician with a practice address in Orange, California, and NPI 1487734521, issued on Oct 16, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487734521
Name
John Lee
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
Practice location
101 The City Drive South, Orange, CA 92868
Phone
(714) 456-8978
Enumerated
Oct 16, 2006
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 101 The City Drive South

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

  1. Nicholas Ambus, MDStudent in an Organized Health Care Education/Training Program1245084649
  2. Elham AmiriStudent in an Organized Health Care Education/Training Program1497160972
  3. Kellie Binder, NPPain Management Registered Nurse1114179611
  4. Robert Bristow, MDObstetrics & Gynecology Physician1427016039
  5. Madison CarterStudent in an Organized Health Care Education/Training Program1306692199
  6. Metha Chea, MDStudent in an Organized Health Care Education/Training Program1164363420

Verify John Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

48% fewer Medicare Part D claims than the average gastroenterology physician in 2024

437 Medicare Part D claims for 359 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D.

  1. John Lee437
  2. Specialty average848

Most prescribed

  1. Gavilyte-G156 claims
  2. Peg-3350 And Electrolytes61 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf60 claims
  4. Ciprofloxacin Hcl59 claims
  5. Omeprazole32 claims
  6. Peg 3350-Electrolyte29 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.

The Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.4
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,000.00

1 payment, mostly honoraria; the largest payer was Advanced Sterilization Products Services Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Lee$3,000.00
  2. Specialty average$4,948.62

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. UC RegentsOrange, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gastroenterology Physician providers in California

There are 1,749 gastroenterology physician records in California.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  4. John Abdulian, M.D.Fresno, CA1437114113
  5. Hussein Abidali, DORancho Cucamonga, CA1205274768
  6. Alaa Abousaif, MDOrange, CA1235124108
  7. Donald Abrahm, M.D.Newport Beach, CA1215022405
  8. Maria Abreu, M.D.West Hollywood, CA1598793374
  9. Safwat Absood, M.D.Modesto, CA1932113891
  10. Ronald Adamany, M.D.Mission Viejo, CA1992780688

Common questions

What is John Lee, MD's NPI number?

John Lee, MD's National Provider Identifier (NPI) is 1487734521, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Lee, MD located?

The NPPES record lists a practice address at 101 The City Drive South, Orange, CA, 92868. Phone: (714) 456-8978. Providers update this record themselves, so call before visiting.

How can I verify John Lee, MD's license?

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 Lee, MD prescribe under Medicare Part D?

In 2024, John Lee, MD had 437 Medicare Part D claims for 359 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.

What is John Lee, MD's Medicare quality score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.