NPPES file of Aug 9, 2026

Zepure Kouyoumdjian, D.O.

Neurology Physician · Morgan Hill, CA

Zepure Kouyoumdjian, D.O. is a neurology physician with a practice address in Morgan Hill, California, and NPI 1235326232, issued on Oct 3, 2007. Check the license (California 20A11843, 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
1235326232
Name
Zepure Kouyoumdjian
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License number
20A11843 CA
Self-reported in NPPES; status is on the state search
Practice location
18431 Technology Dr, Morgan Hill, CA 95037
Phone
(408) 778-4886
Enumerated
Oct 3, 2007
Record last updated
Mar 4, 2025
Fax
(408) 778-4844
Medicare enrollment
Enrolled (PECOS I20110906000567); 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 18431 Technology Dr

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

  1. Lauren Spiegel, M.D.Neurology Physician1164840963

Verify Zepure Kouyoumdjian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11843
    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

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58% more Medicare Part D claims than the average neurology physician in 2024

2,162 Medicare Part D claims for 385 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Zepure Kouyoumdjian2,162
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl163 claims
  2. Gabapentin135 claims
  3. Pregabalin110 claims
  4. Memantine Hcl105 claims
  5. Topiramate96 claims
  6. Rivastigmine79 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): 87.3 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 score83.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%85.9
  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: $17,805.44

162 payments; by number, the most common kind was 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.

  1. Zepure Kouyoumdjian$17,805
  2. Specialty average$8,318

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

  1. Bass Medical GroupNapa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zepure Kouyoumdjian among 2,339 neurology physician records in California

Zepure Kouyoumdjian, D.O. 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2007 · median 2006 among the 1,628 with a school on file
  • 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.

The 8 neurology physician records with the nearest ZIP codes

  1. Lauren Spiegel, M.D.Morgan Hill, CA 950371164840963
  2. Kristin Andruska, MD, PHDLos Gatos, CA 950321619263431
  3. Arthur Douville, M.D.Los Gatos, CA 950321205951688
  4. Robert Gould, MDLos Gatos, CA 950321437223211
  5. Nengchun Huang, M.D.Los Gatos, CA 950321740212547
  6. Peter Lin, MDLos Gatos, CA 950321780871186
  7. Sonya Patel, D.O.Los Gatos, CA 950321659360139
  8. Paul Singer, M.D.Los Gatos, CA 950321538150271

Common questions

What is Zepure Kouyoumdjian, D.O.'s NPI number?

Zepure Kouyoumdjian, D.O.'s National Provider Identifier (NPI) is 1235326232, issued on Oct 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Zepure Kouyoumdjian, D.O. located?

The NPPES record lists a practice address at 18431 Technology Dr, Morgan Hill, CA, 95037. Phone: (408) 778-4886. Providers update this record themselves, so call before visiting.

How can I verify Zepure Kouyoumdjian, D.O.'s license?

NPPES lists California license number 20A11843, 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 Zepure Kouyoumdjian, D.O. prescribe under Medicare Part D?

In 2024, Zepure Kouyoumdjian, D.O. had 2,162 Medicare Part D claims for 385 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Zepure Kouyoumdjian, D.O.'s MIPS final score?

The 2023 MIPS final score is 87.3 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.