Mazen Muhammad Mardini, MD
Gastroenterology Physician · Lodi, CA
Mazen Muhammad Mardini, MD is a gastroenterology physician with a practice address in Lodi, California, and NPI 1518909126, issued on Jun 11, 2006. Check the license (California A35332, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mazen Muhammad Mardini
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A35332 CA
Self-reported in NPPES; status is on the state search - Practice location
- 999 S Fairmont Ave, Lodi, CA 95240
- Phone
- (209) 334-6325
- Enumerated
- Jun 11, 2006
- Record last updated
- Mar 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (209) 334-4651
- Medicaid ID
- 00A353320 CA
- Medicare enrollment
- Enrolled (PECOS I20100329000933); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 999 S Fairmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dianna AkeshRegistered Nurse1366325250
- Philip Dodd, MDObstetrics & Gynecology Physician1477578128
- Gordon Fahey, MDSurgery Physician1457323446
- Kimberley Fillmore, MDObstetrics & Gynecology Physician1588736508
- Joseph Gayagoy, M.D.Internal Medicine Physician1386738458
- Parampal Gill, M.D.Obstetrics & Gynecology Physician1417957887
Verify Mazen Muhammad Mardini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A35332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average gastroenterology physician in 2024
688 Medicare Part D claims for 398 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf308 claims
- Omeprazole76 claims
- Dexlansoprazole Dr45 claims
- Pantoprazole Sodium45 claims
- Linzess27 claims
- Famotidine26 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: $85.61
4 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., 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.
Mazen Muhammad Mardini among 2,140 gastroenterology physician records in California
Mazen Muhammad Mardini, 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
- Graduated1973 · median 2002 among the 1,538 with a school on file
- Record last updated2010 · 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 Lodi → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Aarons, MDLodi, CA 952401619081379
- Emmanuel Obanor, DOLodi, CA 952401689615007
- Sital Singh, M.D.Lodi, CA 952401902172406
- W Bresnahan, MDFrench Camp, CA 952311609840776
- Richard Landres, M.D.French Camp, CA 952311356372973
- Sarathy Mandayam, MDFrench Camp, CA 952311518911023
- David Cornish, MDStockton, CA 952101790863694
- Ashwini Anumandla, M.D.Stockton, CA 952091225263692
Common questions
What is Mazen Muhammad Mardini, MD's NPI number?
Mazen Muhammad Mardini, MD's National Provider Identifier (NPI) is 1518909126, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Muhammad Mardini, MD located?
The NPPES record lists a practice address at 999 S Fairmont Ave, Lodi, CA, 95240. Phone: (209) 334-6325. Providers update this record themselves, so call before visiting.
How can I verify Mazen Muhammad Mardini, MD's license?
NPPES lists California license number A35332, 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 Mazen Muhammad Mardini, MD prescribe under Medicare Part D?
In 2024, Mazen Muhammad Mardini, MD had 688 Medicare Part D claims for 398 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.