Dr. Ashok Joshua Dayananthan, MD
- Medicare services, 2024
- 7,292
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 672
- Hospital affiliations
- 3
- Industry payments
- $3,103
- Practice address
- 2 Medical Plaza Ste 105, Roseville, CA 95661
- Practice phone
- Call (916) 865-1469
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sutter Imaging Roseville II
Mammography / Breast Imaging Center · Roseville, California
Find Dr. Dayananthan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ashok Joshua Dayananthan is a neurologist in Roseville, California
Dr. Dayananthan practices at Sutter Imaging Roseville II in Roseville, California.
Dr. Dayananthan's NPI, 1902182512, was assigned on October 26, 2011. Dr. Dayananthan graduated from University of Toledo College of Medicine and Life Sciences in 2011. Dr. Dayananthan holds California license A125696.
- NPI
- 1902182512NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719296086
- NPI enumeration date
- October 26, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (916) 865-1469
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ashok Joshua Dayananthan practices at Sutter Imaging Roseville II in Roseville, California
Dr. Dayananthan's primary practice is Sutter Imaging Roseville II, at 2 Medical Plaza Ste 105, Roseville, CA 95661. The practice phone is (916) 865-1469.
- Sutter Imaging Roseville II2 Medical Plaza Ste 105, Roseville, CA 95661Phone(916) 865-1469
Source: Dmand AI Affiliation Data
Dr. Ashok Joshua Dayananthan is affiliated with 8 sites of care and 4 medical groups
Dr. Dayananthan's primary practice is Sutter Imaging Roseville II in Roseville, California. Dr. Dayananthan is also affiliated with Sutter Roseville Medical Center. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Dayananthan to 2 more hospitals, 3 group practices and clinics, 3 medical groups and 1 home health agency, each named with a free account. Dr. Dayananthan's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ashok Joshua Dayananthan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dayananthan practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Imaging Roseville II | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ashok Joshua Dayananthan is one of 2,207 neurologists in California
Neurology is Dr. Dayananthan's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Dayananthan is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Dayananthan's licenses on file in 2 states: California and Ohio.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Ohio license
Neurologists near Dr. Dayananthan
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ashok Joshua Dayananthan billed Medicare for 7,292 services in 2024
CMS data shows 7,292 Medicare services from Dr. Dayananthan across 9 procedure codes in 2024, for 168 Medicare patients. Medicare paid $74,375 for them. Every service was in an office.
Dr. Dayananthan's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Drugs given in the office
- 2022: 02024: 6,800
- Office and hospital visits
- 2022: 1822024: 28758%
- Other services
- 2022: 02024: 179
- Surgery
- 2022: 02024: 26
- Tests and treatments
- 2022: 212024: 0100%
Dr. Dayananthan compared with the California median for neurologists, 2024
- Dr. Dayananthan
- California median
- Medicare services
- 7,292vs 40418.0 times
- Medicare patients
- 168vs 19012% below
- Part D claims
- 456vs 32441% above
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Dayananthan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Dayananthan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dayananthan and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ashok Joshua Dayananthan treated 168 Medicare patients in 2024, average age 74
CMS counts 168 Medicare patients who saw Dr. Dayananthan in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dayananthan's median patient age at 71, with 60% women.
Dr. Dayananthan's Medicare patients by age, 2024
Dr. Dayananthan's Medicare patients by sex, 2024
- Women10965%
- Men5935%
Chronic conditions among Dr. Dayananthan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis56%
- Anxiety35%
- Mood disorders35%
- Depression32%
- Ischemic heart disease28%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dayananthan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ashok Joshua Dayananthan wrote 672 Medicare Part D claims in 2024
In 2024, Dr. Dayananthan wrote 672 Medicare Part D claims for 185 patients. 90% of them were for generic drugs. CMS names the drug for 456 of them, across 15 drugs with 11 or more claims each, at $46,883 in total drug cost. In 2023, CMS named 80 claims across 4 drugs.
Dr. Dayananthan's Part D claims by kind of drug, 2024
- Generic606 claims90%
- Brand-name66 claims10%
Dr. Dayananthan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 802024: 456470%
Drugs named by CMS: 15 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ashok Joshua Dayananthan offers telehealth to Medicare patients
Dr. Dayananthan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dayananthan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ashok Joshua Dayananthan received $3,103 in industry payments from 2016 to 2025
CMS Open Payments shows 38 general payments to Dr. Dayananthan from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 54% of the total. Genentech, Inc. paid the most, $1,745.
General payments to Dr. Dayananthan by program year, 2016 to 2025
General payments to Dr. Dayananthan by kind, 2016 to 2025
- Travel and lodging$1,66654%
- Food and beverage$1,12736%
- Consulting fees$30010%
- Education$100%
Companies that paid Dr. Dayananthan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ashok Joshua Dayananthan graduated from University of Toledo College of Medicine and Life Sciences
Dr. Dayananthan graduated from University of Toledo College of Medicine and Life Sciences in 2011.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Ashok Joshua Dayananthan accepts plans from 14 insurance carriers
Dr. Dayananthan is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Dayananthan accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ashok Joshua Dayananthan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ashok Joshua Dayananthan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ashok Joshua Dayananthan's NPI number?
Dr. Ashok Joshua Dayananthan's NPI number is 1902182512. It was assigned on October 26, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Ashok Joshua Dayananthan?
Dr. Ashok Joshua Dayananthan is a neurologist in Roseville, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Ashok Joshua Dayananthan practice?
Dr. Dayananthan practices at 2 Medical Plaza Ste 105, Roseville, CA 95661. Dr. Dayananthan's primary practice is Sutter Imaging Roseville II in Roseville, California. Dmand AI also links Dr. Dayananthan to 2 hospitals, 3 group practices and clinics, 3 medical groups and 1 home health agency.
What is Dr. Ashok Joshua Dayananthan's office phone number?
The practice phone on file for Dr. Dayananthan is (916) 865-1469.
What is Dr. Ashok Joshua Dayananthan's medical license number?
Dr. Dayananthan holds California license A125696, one of the licenses on file in 2 states.
Which states has Dr. Ashok Joshua Dayananthan been licensed in?
Dmand AI has state licenses on file for Dr. Dayananthan in California (2013 to 2026) and Ohio (2011 to 2013).
Which hospitals is Dr. Ashok Joshua Dayananthan affiliated with?
Dr. Dayananthan is affiliated with Sutter Roseville Medical Center. Dmand AI links Dr. Dayananthan to 2 more hospitals.
What medical group is Dr. Ashok Joshua Dayananthan part of?
Dr. Dayananthan is linked to SGMF Radiology. Dmand AI links Dr. Dayananthan to 3 more medical groups.
Does Dr. Ashok Joshua Dayananthan accept Medicare?
Yes. CMS data shows Dr. Dayananthan billed Medicare for 7,292 services in 2024, and Dr. Dayananthan accepts Medicare assignment.
Does Dr. Ashok Joshua Dayananthan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dayananthan as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Ashok Joshua Dayananthan see?
CMS counts 168 Medicare patients who saw Dr. Dayananthan in 2024, with an average age of 74.
Is Dr. Ashok Joshua Dayananthan board certified?
Yes. Dr. Dayananthan is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Ashok Joshua Dayananthan bill to Medicare?
In 2024, Dr. Dayananthan's most billed Medicare services were injected or infused drug (J0585), medicare service (G2211) and office visit, established patient (99213).
Where did Dr. Ashok Joshua Dayananthan go to medical school?
Dr. Dayananthan graduated from University of Toledo College of Medicine and Life Sciences in 2011.
What drugs does Dr. Ashok Joshua Dayananthan prescribe most?
In 2024 Medicare Part D data, Dr. Dayananthan's most prescribed drugs by claims were Carbidopa-Levodopa, Donepezil HCl and Memantine HCl.
Has Dr. Ashok Joshua Dayananthan received payments from drug or device companies?
CMS Open Payments shows $3,103 in general payments to Dr. Dayananthan from 10 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Ashok Joshua Dayananthan been practicing?
Dr. Dayananthan graduated from medical school in 2011, 15 years ago.
What insurance does Dr. Ashok Joshua Dayananthan accept?
Dr. Dayananthan is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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