Sonia Nayyar, M.D.
Neurology Physician · Apple Valley, CA
Sonia Nayyar, M.D. is a neurology physician with a practice address in Apple Valley, California, and NPI 1033401070, issued on May 10, 2011. Check the license (California A137071, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sonia Nayyar
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A137071 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18523 Corwin RD, Apple Valley, CA 92307
- Phone
- (750) 946-3876
- Enumerated
- May 10, 2011
- Record last updated
- Jul 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (760) 242-1936
- Medicare enrollment
- Enrolled (PECOS I20160815002596); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 18523 Corwin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Raman Poola, M.D.Specialist1669493862
- Makala Reddy, M.D.Specialist1407906902
- Naidi Reddy, M.D.Diagnostic Radiology Physician1346265386
Verify Sonia Nayyar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137071Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average neurology physician in 2024
2,256 Medicare Part D claims for 411 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Donepezil Hcl274 claims
- Gabapentin274 claims
- Carbidopa-Levodopa133 claims
- Memantine Hcl121 claims
- Quetiapine Fumarate119 claims
- Levetiracetam87 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,605.19
127 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- High Desert Neuro-Diagnostic Medical Group IncApple Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
Other neurology physician records in California
- Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
- John Aalbers, M.D.San Diego, CA1942262431
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Puya Abbassi, D.O.San Jose, CA1831695428
- Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
- Diana Abdulrahman, M.D.Pomona, CA1518276880
- Hadi Abou El Hassan, MDLos Angeles, CA1053995720
- John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
- Saheil AboutalibLong Beach, CA1548551112
- Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
Common questions
What is Sonia Nayyar, M.D.'s NPI number?
Sonia Nayyar, M.D.'s National Provider Identifier (NPI) is 1033401070, issued on May 10, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Sonia Nayyar, M.D. located?
The NPPES record lists a practice address at 18523 Corwin RD, Apple Valley, CA, 92307. Phone: (750) 946-3876. Providers update this record themselves, so call before visiting.
How can I verify Sonia Nayyar, M.D.'s license?
NPPES lists California license number A137071, 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 Sonia Nayyar, M.D. prescribe under Medicare Part D?
In 2024, Sonia Nayyar, M.D. had 2,256 Medicare Part D claims for 411 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Sonia Nayyar, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.8 of 100, reported for the practice group. 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.