Oana V. Spataru, M.D.
Vascular Neurology Physician · Walnut Creek, CA
Oana V. Spataru, M.D. is a vascular neurology physician with a practice address in Walnut Creek, California, and NPI 1518153824, issued on Sep 20, 2007. Check the license (California A116468, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Oana V. Spataru
- Credential
- M.D.
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License number
- A116468 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 939-3000
- Enumerated
- Sep 20, 2007
- Record last updated
- Aug 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20140606001406); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1601 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Abboud, D.O.Anesthesiology Physician1174901508
- Amy Aiyegbusi, IBCLCLactation Consultant (Registered Nurse)1275204067
- Alina AndradePhysician Assistant1114416773
- Radhika Annadata, MDAnesthesiology Physician1255379624
- Kirkman Beckwith, MDAnesthesiology Physician1073551057
- Stacie Bennett, MDNeonatal-Perinatal Medicine Physician1982660080
Verify Oana V. Spataru in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average vascular neurology physician in 2024
998 Medicare Part D claims for 121 beneficiaries, against an average of 270 among the 598 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Levetiracetam104 claims
- Eliquis94 claims
- Lacosamide75 claims
- Gabapentin72 claims
- Atorvastatin Calcium58 claims
- Amlodipine Besylate56 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): 80.4 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: $319.71
9 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 461 providers of this specialty with any payment received $3,770.65 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 4 group practices
- Alameda Health SystemAlameda, CA
- Diablo Neurosurgical Medical Group IncWalnut Creek, CA
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
- Sutter Bay Medical FoundationSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vascular Neurology Physician providers in California
There are 74 vascular neurology physician records in California.
Other vascular neurology physician records in California
- Kunal Agrawal, M.D.San Diego, CA1093074122
- Gregory Albers, MDStanford, CA1205889698
- Kevin Attenhofer, M.D.San Francisco, CA1477819456
- Navpreet Bains, D.O..Colton, CA1588011860
- Nobl Barazangi, M.D.San Francisco, CA1609893437
- Reza Bavarsad Shahripour, MDSan Diego, CA1699129668
- Daniel Brooks, M.D.Santa Monica, CA1144519000
- Piotr Bzdyra, MDPomona, CA1942687090
- Charlene Chen, M.D.San Francisco, CA1831386846
- Jonathan Chou, M.D.Los Angeles, CA1588125231
Common questions
What is Oana V. Spataru, M.D.'s NPI number?
Oana V. Spataru, M.D.'s National Provider Identifier (NPI) is 1518153824, issued on Sep 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Oana V. Spataru, M.D. located?
The NPPES record lists a practice address at 1601 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 939-3000. Providers update this record themselves, so call before visiting.
How can I verify Oana V. Spataru, M.D.'s license?
NPPES lists California license number A116468, 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 Oana V. Spataru, M.D. prescribe under Medicare Part D?
In 2024, Oana V. Spataru, M.D. had 998 Medicare Part D claims for 121 beneficiaries; the average among vascular neurology physician prescribers was 270. Part D covers Medicare prescriptions only.
What is Oana V. Spataru, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.4 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.