Registry data as of Aug 27, 2026

Sinan Khayyat, MD

Internal Medicine Physician · La Mesa, CA

Sinan Khayyat, MD is an internal medicine physician with a practice address in La Mesa, California, and NPI 1578092318, issued on Jun 6, 2017. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1578092318
Name
Sinan Khayyat
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
94-09252 KS
Self-reported in NPPES; status is on the state search
Practice location
5555 Grossmont Center Dr, La Mesa, CA 91942
Phone
(619) 740-6000
Enumerated
Jun 6, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5555 Grossmont Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paul Abou, MDInternal Medicine Physician1033264882
  2. Mohammed Al-Janabi, M.D.Critical Care Medicine (Internal Medicine) Physician1760773725
  3. Lori Alford, L.C.S.W.Clinical Social Worker1043463003
  4. Roshanak Alialy, MDAnatomic Pathology & Clinical Pathology Physician1730683160
  5. Kikelomo Aluko, MSN, APRN, PMHNP BCPsychiatric/Mental Health Nurse Practitioner1083584346
  6. Vian AmerPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972186609

Verify Sinan Khayyat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

59% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,155 Medicare Part D claims for 289 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 51 claims were for opioids.

  1. Sinan Khayyat1,155
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium52 claims
  2. Eliquis50 claims
  3. Gabapentin43 claims
  4. Amlodipine Besylate28 claims
  5. Potassium Chloride28 claims
  6. Tramadol Hcl28 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: $433.88

8 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sinan Khayyat$433.88
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

5 hospital and facility affiliations

  1. Emergency And Acute Care Medical CorporationLa Mesa, CA
  2. Newman Memorial County HospitalEmporia, KS
  3. San Diego Critical Care Medical Group IncLa Mesa, CA
  4. San Diego Rehab Specialists IncNational City, CA
  5. Vigilias LLCEl Cajon, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

68 internal medicine physician records list a La Mesa practice address

They are 68 of the 2,168 NPPES records with a La Mesa practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Sinan Khayyat, MD's NPI number?

Sinan Khayyat, MD's National Provider Identifier (NPI) is 1578092318, issued on Jun 6, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sinan Khayyat, MD located?

The NPPES record lists a practice address at 5555 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (619) 740-6000. Providers update this record themselves, so call before visiting.

How can I verify Sinan Khayyat, MD's license?

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 Sinan Khayyat, MD prescribe under Medicare Part D?

In 2024, Sinan Khayyat, MD had 1,155 Medicare Part D claims for 289 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.