Samrah Zaigham, M.D
Internal Medicine Physician · Antioch, CA
Samrah Zaigham, M.D is an internal medicine physician with a practice address in Antioch, California, and NPI 1578915658, issued on Jul 12, 2016. Check the license (California 161978, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samrah Zaigham
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 161978 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4501 Sand Creek RD, Antioch, CA 94531
- Phone
- (925) 813-6500
- Enumerated
- Jul 12, 2016
- Record last updated
- Oct 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20200611001591); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4501 Sand Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samrah Zaigham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 161978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
295 Medicare Part D claims for 108 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium22 claims
- Gabapentin17 claims
- Lisinopril16 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.
Bills Medicare through one group practice
- Permanente Medical Group IncAntioch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samrah Zaigham among 17,696 internal medicine physician records in California
Samrah Zaigham, M.D is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 internal medicine physician records list a practice address in Antioch
They are 66 of the 2,184 NPPES records with a practice address in Antioch, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Antioch → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Zenen Alpuerto, MDAntioch, CA 945311548215478
- Jalal Atmar, MDAntioch, CA 945311265510846
- Kausalya Bhaskarabhatla, M.D.Antioch, CA 945311003867607
- Melissa Carucci, MDAntioch, CA 945311376621813
- Hsiao-Pin Chin, MDAntioch, CA 945311518045616
- Ioannis Eleftheriadis, MDAntioch, CA 945311679651731
- Louis Enrique, M.D.Antioch, CA 945311356363642
- Stephen Foster, MDAntioch, CA 945311851479927
Common questions
What is Samrah Zaigham, M.D's NPI number?
Samrah Zaigham, M.D's National Provider Identifier (NPI) is 1578915658, issued on Jul 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Samrah Zaigham, M.D located?
The NPPES record lists a practice address at 4501 Sand Creek RD, Antioch, CA, 94531. Phone: (925) 813-6500. Providers update this record themselves, so call before visiting.
How can I verify Samrah Zaigham, M.D's license?
NPPES lists California license number 161978, 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 Samrah Zaigham, M.D prescribe under Medicare Part D?
In 2024, Samrah Zaigham, M.D had 295 Medicare Part D claims for 108 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.