Michael Shiffman, MD
Gastroenterology Physician · Encino, CA
Michael Shiffman, MD is a gastroenterology physician with a practice address in Encino, California, and NPI 1497719512, issued on Apr 14, 2006. Check the license (California G27142, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Shiffman
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G27142 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16311 Ventrua Boulvard, Encino, CA 91436
- Phone
- (818) 989-1917
- Enumerated
- Apr 14, 2006
- Record last updated
- Jul 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (818) 889-1331
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 16311 Ventrua Boulvard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Buch, MDGastroenterology Physician1346200730
Verify Michael Shiffman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G27142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average gastroenterology physician in 2024
43 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Michael Shiffman among 2,140 gastroenterology physician records in California
Michael Shiffman, 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 updated2015 · 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 Encino → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Kenneth Buch, MDEncino, CA 914361346200730
- Ara Kardashian, M.D.Encino, CA 914361265703102
- Fredric Weiss, M.D.Encino, CA 914361336354059
- Efrat Lobel, MDVan Nuys, CA 914111265580245
- Michael Yadegari, M.DVan Nuys, CA 914111023293016
- Nagaraj Chetty, MDVan Nuys, CA 914051508975293
- Gnana Desigan, MDVan Nuys, CA 914051477580298
- Hemant Pande, M.D.Sherman Oaks, CA 914031548306483
Common questions
What is Michael Shiffman, MD's NPI number?
Michael Shiffman, MD's National Provider Identifier (NPI) is 1497719512, issued on Apr 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Shiffman, MD located?
The NPPES record lists a practice address at 16311 Ventrua Boulvard, Encino, CA, 91436. Phone: (818) 989-1917. Providers update this record themselves, so call before visiting.
How can I verify Michael Shiffman, MD's license?
NPPES lists California license number G27142, 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 Shiffman, MD prescribe under Medicare Part D?
In 2024, Michael Shiffman, MD had 43 Medicare Part D claims; 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.