NPPES file of Aug 9, 2026

Michael Alexan Kapamajian, M.D.

Ophthalmology Physician · Los Angeles, CA

Michael Alexan Kapamajian, M.D. is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1124278320, issued on Sep 24, 2008. Check the license (California A108349, 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
1124278320
Name
Michael Alexan Kapamajian
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A108349 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Stein Plaza, Los Angeles, CA 90095
Phone
(310) 825-5000
Enumerated
Sep 24, 2008
Record last updated
Jun 22, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
00A108349 CA
Medicare enrollment
Enrolled (PECOS I20090813000299); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2005
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 100 Stein Plaza

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

  1. Anthony Aldave, MDOphthalmology Physician1316050578
  2. Laura Bonelli, M.D.Ophthalmology Physician1861649345
  3. Melissa Chun, O.DOphthalmology Physician1861415432
  4. Noa Ela-Dalman, M.D.Ophthalmology Physician1528215704
  5. Robert Hepler, ODOphthalmology Physician1659382257
  6. Candice Ho, MDPediatrics Physician1285645648

Verify Michael Alexan Kapamajian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A108349
    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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47% more Medicare Part D claims than the average ophthalmology physician in 2024

2,235 Medicare Part D claims for 285 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Michael Kapamajian2,235
  2. Specialty average1,518

Most prescribed

  1. Timolol Maleate316 claims
  2. Prednisolone Acetate265 claims
  3. Latanoprost241 claims
  4. Rocklatan149 claims
  5. Rhopressa132 claims
  6. Lumigan131 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): 23 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 score0.0
  2. Costout of 100 · 30%76.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $745.52

25 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Kapamajian$745.52
  2. Specialty average$4,535.02

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

Bills Medicare through 2 group practices

  1. County OF Los AngelesLos Angeles, CA
  2. Michael A Kapamajian MD IncWhittier, CA

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

Michael Alexan Kapamajian among 2,899 ophthalmology physician records in California

Michael Alexan Kapamajian, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 67% of them.

  • NPI issued2008 · 67% of these records are older, 28% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2005 · median 2001 among the 1,907 with a school on file
  • Record last updated2010 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Reginald Ariyasu, MDLos Angeles, CA 900951285654939
  2. Anthony Arnold, MDLos Angeles, CA 900951629098314
  3. William Astle, MDLos Angeles, CA 900951700808276
  4. John Bartlett, MDLos Angeles, CA 900951144242611
  5. Katherine Bergwerk, MDLos Angeles, CA 900951952323941
  6. Joseph Caprioli, MDLos Angeles, CA 900951417979584
  7. Sophie Deng, M.D.Los Angeles, CA 900951194775890
  8. Michael Gorin, MDLos Angeles, CA 900951578536462

Common questions

What is Michael Alexan Kapamajian, M.D.'s NPI number?

Michael Alexan Kapamajian, M.D.'s National Provider Identifier (NPI) is 1124278320, issued on Sep 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael Alexan Kapamajian, M.D. located?

The NPPES record lists a practice address at 100 Stein Plaza, Los Angeles, CA, 90095. Phone: (310) 825-5000. Providers update this record themselves, so call before visiting.

How can I verify Michael Alexan Kapamajian, M.D.'s license?

NPPES lists California license number A108349, 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 Michael Alexan Kapamajian, M.D. prescribe under Medicare Part D?

In 2024, Michael Alexan Kapamajian, M.D. had 2,235 Medicare Part D claims for 285 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Michael Alexan Kapamajian, M.D.'s MIPS final score?

The 2023 MIPS final score is 23 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.