Ashok Joshua Dayananthan, M.D.
Neurology Physician · Sacramento, CA
Ashok Joshua Dayananthan, M.D. is a neurology physician with a practice address in Sacramento, California, and NPI 1902182512, issued on Oct 26, 2011. Check the license (California A125696, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ashok Joshua Dayananthan
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A125696 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3160 Folsom Blvd, Sacramento, CA 95816
- Phone
- (916) 734-3588
- Enumerated
- Oct 26, 2011
- Record last updated
- Nov 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151028000307); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 3160 Folsom Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ashok Joshua Dayananthan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average neurology physician in 2024
672 Medicare Part D claims for 185 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Carbidopa-Levodopa115 claims
- Donepezil Hcl68 claims
- Memantine Hcl50 claims
- Rizatriptan29 claims
- Carbidopa-Levodopa Er23 claims
- Sertraline Hcl23 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: $30.53
1 payment: food and beverage; the largest payer was Abbvie 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
- Sutter Valley Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashok Joshua Dayananthan among 2,339 neurology physician records in California
Ashok Joshua Dayananthan, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 2006 among the 1,628 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Sacramento → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Richard Atkinson, MDSacramento, CA 958161154344992
- William Au, M.D.Sacramento, CA 958161457375321
- John Byer, M.D.Sacramento, CA 958161780690933
- Glynnis Calvin, M.D.Sacramento, CA 958161104137678
- David Chesak, MD.Sacramento, CA 958161760665475
- Edwin Cruz, MDSacramento, CA 958161669556965
- Robert Dias, M.D.Sacramento, CA 958161407902612
- Billy Hu, M.D.Sacramento, CA 958161063558476
Common questions
What is Ashok Joshua Dayananthan, M.D.'s NPI number?
Ashok Joshua Dayananthan, M.D.'s National Provider Identifier (NPI) is 1902182512, issued on Oct 26, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ashok Joshua Dayananthan, M.D. located?
The NPPES record lists a practice address at 3160 Folsom Blvd, Sacramento, CA, 95816. Phone: (916) 734-3588. Providers update this record themselves, so call before visiting.
How can I verify Ashok Joshua Dayananthan, M.D.'s license?
NPPES lists California license number A125696, 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 Ashok Joshua Dayananthan, M.D. prescribe under Medicare Part D?
In 2024, Ashok Joshua Dayananthan, M.D. had 672 Medicare Part D claims for 185 beneficiaries; the average among neurology physician prescribers was 1,370. 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.