Omar Saif Mapara, M.D.
Internal Medicine Physician · Newark, CA
Omar Saif Mapara, M.D. is an internal medicine physician with a practice address in Newark, California, and NPI 1982936779, issued on Feb 4, 2010. Check the license (California A110851, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Omar Saif Mapara
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A110851 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6452 Buena Vista Dr, Newark, CA 94560
- Phone
- (310) 895-4340
- Enumerated
- Feb 4, 2010
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101105000713); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Omar Saif Mapara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
325 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium18 claims
- Bisoprolol Fumarate15 claims
- Eliquis15 claims
- Pradaxa13 claims
- Finasteride11 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
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar Saif Mapara among 17,696 internal medicine physician records in California
Omar Saif Mapara, 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
7 internal medicine physician records list a practice address in Newark
They are 7 of the 698 NPPES records with a practice address in Newark, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Meera Bhateja, M.D.Newark, CA 945601619023793
- Stefanie Chu, MDNewark, CA 945601821207796
- Jason Krupp, MDNewark, CA 945601083720130
- Michael Parmley, M.D.Newark, CA 945601609873074
- Shaista Shah, MDNewark, CA 945601760578033
- Parmjit Singh, MDNewark, CA 945601619043387
- Robert Hopkins, MD, MPH & TMNapa, CA 945591013224872
- Diana Devera, D.O.Napa, CA 945581629399563
Common questions
What is Omar Saif Mapara, M.D.'s NPI number?
Omar Saif Mapara, M.D.'s National Provider Identifier (NPI) is 1982936779, issued on Feb 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Omar Saif Mapara, M.D. located?
The NPPES record lists a practice address at 6452 Buena Vista Dr, Newark, CA, 94560. Phone: (310) 895-4340. Providers update this record themselves, so call before visiting.
How can I verify Omar Saif Mapara, M.D.'s license?
NPPES lists California license number A110851, 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 Omar Saif Mapara, M.D. prescribe under Medicare Part D?
In 2024, Omar Saif Mapara, M.D. had 325 Medicare Part D claims for 92 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.