Michael Madievsky, MD
Gastroenterology Physician · Tarzana, CA
Michael Madievsky, MD is a gastroenterology physician with a practice address in Tarzana, California, and NPI 1982696613, issued on Aug 18, 2005. Check the license (California A65040, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Madievsky
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A65040 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Etiwanda Ave Ste 110, Tarzana, CA 91356
- Phone
- (818) 996-4796
- Enumerated
- Aug 18, 2005
- Record last updated
- May 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (844) 406-5413
- Medicaid ID
- 00A65040 CA
- Medicare enrollment
- Enrolled (PECOS I20050620000183); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Michael Madievsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
3,215 Medicare Part D claims for 507 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Omeprazole485 claims
- Linzess366 claims
- Pantoprazole Sodium322 claims
- Dexlansoprazole Dr282 claims
- Famotidine215 claims
- Esomeprazole Magnesium198 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 MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,049.81
187 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
- Genesis Healthcare Partners PCTarzana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Madievsky among 2,140 gastroenterology physician records in California
Michael Madievsky, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1992 · 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 Tarzana → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jim Amerian, M.D.Tarzana, CA 913561366400194
- Neil Fagen, MDTarzana, CA 913561700878428
- Sheldon Getzug, M.D.Tarzana, CA 913561750348785
- Maurice Gourdji, M.D.Tarzana, CA 913561699751586
- Kenneth Hepps, MDTarzana, CA 913561154313880
- Lucien Jacobs, M.D.Tarzana, CA 913561639155658
- Lori Kam, M.D.Tarzana, CA 913561144305244
- Irving Klasky, M.D.Tarzana, CA 913561184681546
Common questions
What is Michael Madievsky, MD's NPI number?
Michael Madievsky, MD's National Provider Identifier (NPI) is 1982696613, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Madievsky, MD located?
The NPPES record lists a practice address at 5525 Etiwanda Ave Ste 110, Tarzana, CA, 91356. Phone: (818) 996-4796. Providers update this record themselves, so call before visiting.
How can I verify Michael Madievsky, MD's license?
NPPES lists California license number A65040, 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 Michael Madievsky, MD prescribe under Medicare Part D?
In 2024, Michael Madievsky, MD had 3,215 Medicare Part D claims for 507 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Michael Madievsky, MD's MIPS final 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), 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.