John M. Lyons, M.D.
Gastroenterology Physician · San Diego, CA
John M. Lyons, M.D. is a gastroenterology physician with a practice address in San Diego, California, and NPI 1417156068, issued on Jul 13, 2007. Check the license (California A104484, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John M. Lyons
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A104484 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15004 Innovation Dr, San Diego, CA 92128
- Phone
- (858) 605-7151
- Enumerated
- Jul 13, 2007
- Record last updated
- Jan 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (858) 605-7182
- Medicare enrollment
- Enrolled (PECOS I20090323000110); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck 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 15004 Innovation Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Abresch, PAMedical Physician Assistant1114298130
- Tyler Adamson, DOSports Medicine (Family Medicine) Physician1295263002
- Lindsey Ashcraft, DPTPhysical Therapist1215569447
- Brynn AshleyPediatric Nurse Practitioner1154790970
- Humaira Ashraf, RD, CDCESRegistered Dietitian1508586108
- Rebecca Askew, PT, MPT, NCSPhysical Therapist1396376158
Verify John M. Lyons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A104484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average gastroenterology physician in 2024
490 Medicare Part D claims for 256 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf160 claims
- Pantoprazole Sodium99 claims
- Omeprazole87 claims
- Linzess15 claims
- Balsalazide Disodium14 claims
- Mesalamine13 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: $1,794.11
82 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Scripps HealthSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Lyons among 2,140 gastroenterology physician records in California
John M. Lyons, M.D. 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 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% 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 San Diego → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kristina Seeger, M.D.San Diego, CA 921281598022303
- Emily Singh, M.D.San Diego, CA 921281548370935
- Maram Zakko, MDSan Diego, CA 921281972579068
- Caroline Diamant, M.D.San Diego, CA 921301346345949
- Chiara MaruggiSan Diego, CA 921301578094132
- Brett Sadowski, M.D.San Diego, CA 921301669810701
- Thuy Anh Le, M.D.San Diego, CA 921311811163926
- Erin Song, MDSan Diego, CA 921311275094344
Common questions
What is John M. Lyons, M.D.'s NPI number?
John M. Lyons, M.D.'s National Provider Identifier (NPI) is 1417156068, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John M. Lyons, M.D. located?
The NPPES record lists a practice address at 15004 Innovation Dr, San Diego, CA, 92128. Phone: (858) 605-7151. Providers update this record themselves, so call before visiting.
How can I verify John M. Lyons, M.D.'s license?
NPPES lists California license number A104484, 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 M. Lyons, M.D. prescribe under Medicare Part D?
In 2024, John M. Lyons, M.D. had 490 Medicare Part D claims for 256 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.