Sherif M. Ammar, M.D.
Otolaryngology Physician · Riverside, CA
Sherif M. Ammar, M.D. is an otolaryngology physician with a practice address in Riverside, California, and NPI 1497746598, issued on Oct 31, 2005. Check the license (California C52571, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sherif M. Ammar
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- C52571 CA
224198 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10800 Magnolia Ave, Riverside, CA 92505
- Phone
- (951) 353-5681
- Enumerated
- Oct 31, 2005
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (951) 353-5722
- Medicaid ID
- 2107902 MA
- Medicare enrollment
- Enrolled (PECOS I20090403000415); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1996
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 10800 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly Adams, PA-CMedical Physician Assistant1053522870
- Alfredo Aguiar, PAPhysician Assistant1043368970
- Michael Aguinaldo, M.D.Pediatrics Physician1851531487
- Maria Aguirre, MDPediatrics Physician1295806255
Verify Sherif M. Ammar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C52571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average otolaryngology physician in 2024
384 Medicare Part D claims for 311 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin278 claims
- Doxycycline Hyclate35 claims
- Azelastine Hcl26 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): 74.2 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: $469.81
22 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 6,429 providers of this specialty with any payment received $1,922.50 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.
Sherif M. Ammar among 1,212 otolaryngology physician records in California
Sherif M. Ammar, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% 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 · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1996 · median 2004 among the 818 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Riverside → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- David Hsu, M.D.Riverside, CA 925051396005740
- Dae Joo, M.D.Riverside, CA 925051164757076
- Murtaza Kharodawala, MDRiverside, CA 925051558565127
- Jack Liu, MDRiverside, CA 925051558518258
- Brian Boynton, M.D.Riverside, CA 925061710155452
- Jaibir Pannu, MDRiverside, CA 925061396372470
- Jessica Tang, MDRiverside, CA 925061033630892
- Timothy Jung, M.D., PHDRiverside, CA 925031497717813
Common questions
What is Sherif M. Ammar, M.D.'s NPI number?
Sherif M. Ammar, M.D.'s National Provider Identifier (NPI) is 1497746598, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sherif M. Ammar, M.D. located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (951) 353-5681. Providers update this record themselves, so call before visiting.
How can I verify Sherif M. Ammar, M.D.'s license?
NPPES lists California license number C52571, 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 Sherif M. Ammar, M.D. prescribe under Medicare Part D?
In 2024, Sherif M. Ammar, M.D. had 384 Medicare Part D claims for 311 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Sherif M. Ammar, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.2 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.