Shant A. Hamamah, MD
Gastroenterology Physician · Panorama City, CA
Shant A. Hamamah, MD is a gastroenterology physician with a practice address in Panorama City, California, and NPI 1235287285, issued on Jan 8, 2007. Check the license (California G61422, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shant A. Hamamah
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G61422 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13652 Cantara St, Panorama City, CA 91402
- Phone
- (818) 375-2000
- Enumerated
- Jan 8, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090311000527); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 13652 Cantara St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shant A. Hamamah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G61422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average gastroenterology physician in 2024
992 Medicare Part D claims for 405 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Omeprazole188 claims
- Gavilyte-C177 claims
- Pantoprazole Sodium90 claims
- Mesalamine44 claims
- Lubiprostone42 claims
- Famotidine40 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: $27.06
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. 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
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shant A. Hamamah among 2,140 gastroenterology physician records in California
Shant A. Hamamah, 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 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
- Graduated1986 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 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 Panorama City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Gina Lin, MDPanorama City, CA 914021023166063
- Arthur Mehlman, MDPanorama City, CA 914021447327259
- Anuradha Pappu, MDPanorama City, CA 914021215004189
- Jung Park, MDPanorama City, CA 914021174855738
- Fredric Schlussel, MDPanorama City, CA 914021497814016
- Bruce Zweiban, MDPanorama City, CA 914021477601284
- Hemant Pande, M.D.Sherman Oaks, CA 914031548306483
- Nagaraj Chetty, MDVan Nuys, CA 914051508975293
Common questions
What is Shant A. Hamamah, MD's NPI number?
Shant A. Hamamah, MD's National Provider Identifier (NPI) is 1235287285, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Shant A. Hamamah, MD located?
The NPPES record lists a practice address at 13652 Cantara St, Panorama City, CA, 91402. Phone: (818) 375-2000. Providers update this record themselves, so call before visiting.
How can I verify Shant A. Hamamah, MD's license?
NPPES lists California license number G61422, 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 Shant A. Hamamah, MD prescribe under Medicare Part D?
In 2024, Shant A. Hamamah, MD had 992 Medicare Part D claims for 405 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.