Anton Ostashko
Neurology Physician · Mountain View, CA
Anton Ostashko is a neurology physician with a practice address in Mountain View, California, and NPI 1134617459, issued on Apr 23, 2018. Check the license (California A175602, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anton Ostashko
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A175602 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Hospital Dr Ste 4B, Mountain View, CA 94040
- Phone
- (650) 492-7999
- Enumerated
- Apr 23, 2018
- Record last updated
- Dec 3, 2025
- Fax
- (650) 305-7999
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Anton Ostashko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A175602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average neurology physician in 2024
618 Medicare Part D claims for 92 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Carbidopa-Levodopa76 claims
- Rivastigmine70 claims
- Quetiapine Fumarate62 claims
- Donepezil Hcl41 claims
- Mirtazapine36 claims
- Gabapentin34 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: $229.61
5 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
Anton Ostashko among 2,339 neurology physician records in California
Anton Ostashko 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2025 · 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 Mountain View → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- John Barnes, MDMountain View, CA 940401013097401
- David Chen, MDMountain View, CA 940401730155441
- Ariele Greenfield, M.D.Mountain View, CA 940401114214566
- Leland Greenwald, MDMountain View, CA 940401881700029
- Carson Lawall, MDMountain View, CA 940401396871521
- Amy Lee, M.D.Mountain View, CA 940401629108717
- Chien-Ye Liu, MDMountain View, CA 940401376659003
- Hemalatha Narra, M.D.Mountain View, CA 940401285690701
Common questions
What is Anton Ostashko's NPI number?
Anton Ostashko's National Provider Identifier (NPI) is 1134617459, issued on Apr 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Anton Ostashko located?
The NPPES record lists a practice address at 2500 Hospital Dr Ste 4B, Mountain View, CA, 94040. Phone: (650) 492-7999. Providers update this record themselves, so call before visiting.
How can I verify Anton Ostashko's license?
NPPES lists California license number A175602, 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 Anton Ostashko prescribe under Medicare Part D?
In 2024, Anton Ostashko had 618 Medicare Part D claims for 92 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.