NPPES file of Aug 9, 2026

Vasiliki Economou, M.D.

Neurology Physician · Hayward, CA

Vasiliki Economou, M.D. is a neurology physician with a practice address in Hayward, California, and NPI 1104912062, issued on Oct 5, 2006. Check the license (California A44879, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104912062
Name
Vasiliki Economou
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A44879 CA
Self-reported in NPPES; status is on the state search
Practice location
27206 Calaroga Ave, Hayward, CA 94545
Phone
(510) 783-7891
Enumerated
Oct 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(510) 783-6963
Medicaid ID
00A448791 CA
Medicare enrollment
Enrolled (PECOS I20100921001143); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 27206 Calaroga Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rolando Atienza, MDFamily Medicine Physician1861598435
  2. Song Chen, NPFamily Nurse Practitioner1659855005
  3. Raul Gentini, MDFamily Medicine Physician1942496617
  4. Veena Gowra, M.D.Family Medicine Physician1518115906
  5. Darrel Keyser, MDSurgery of the Hand (Surgery) Physician1346292539
  6. Gopala Kolluru, M.D.Cardiovascular Disease Physician1164500682

Verify Vasiliki Economou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A44879
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.7 times the Medicare Part D claims of the average neurology physician in 2024

3,706 Medicare Part D claims for 458 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 93 claims were for opioids.

  1. Vasiliki Economou3,706
  2. Specialty average1,370

Most prescribed

  1. Memantine Hcl374 claims
  2. Donepezil Hcl322 claims
  3. Carbidopa-Levodopa247 claims
  4. Gabapentin238 claims
  5. Levetiracetam200 claims
  6. Primidone143 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 MIPS final score for 2023 (Medicare payment program): 98.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,460.49

114 payments; by number, the most common kind was food and beverage; the largest payer was Catalyst Pharmaceuticals, 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.

  1. Vasiliki Economou$2,460.49
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Vasiliki Economou among 2,339 neurology physician records in California

Vasiliki Economou, 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1972 · median 2006 among the 1,628 with a school on file
  • Record last updated2007 · 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.

The 8 neurology physician records with the nearest ZIP codes

  1. Joseph Seab, MDHayward, CA 945451326126178
  2. Peter Adamczyk, M.D.Castro Valley, CA 945461689710915
  3. Barry Mann, MDCastro Valley, CA 945461831108844
  4. Attigupam Jayaram, M.D.Livermore, CA 945501144279951
  5. Alok Bhattacharya, M.D.Fremont, CA 945381528092996
  6. Nayan Desai, MDFremont, CA 945381710953773
  7. Jina Janavs, MDFremont, CA 945381063597722
  8. Joy Lin, MDFremont, CA 945381528593902

Common questions

What is Vasiliki Economou, M.D.'s NPI number?

Vasiliki Economou, M.D.'s National Provider Identifier (NPI) is 1104912062, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vasiliki Economou, M.D. located?

The NPPES record lists a practice address at 27206 Calaroga Ave, Hayward, CA, 94545. Phone: (510) 783-7891. Providers update this record themselves, so call before visiting.

How can I verify Vasiliki Economou, M.D.'s license?

NPPES lists California license number A44879, 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 Vasiliki Economou, M.D. prescribe under Medicare Part D?

In 2024, Vasiliki Economou, M.D. had 3,706 Medicare Part D claims for 458 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Vasiliki Economou, M.D.'s MIPS final score?

The 2023 MIPS final score is 98.7 of 100. 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.