NPPES file of Aug 9, 2026

Hamid Hosseini

Ophthalmology Physician · Los Angeles, CA

Hamid Hosseini is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1811390883, issued on Oct 3, 2014. Check the license (California F5829, 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
1811390883
Name
Hamid Hosseini
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
F5829 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Stein Plz, Los Angeles, CA 90095
Phone
(310) 206-7474
Enumerated
Oct 3, 2014
Record last updated
Oct 3, 2014 (not updated in 12 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 100 Stein Plz

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

  1. Diana Abrahamyan, ODOptometrist1538834932
  2. Diego AriasOphthalmology Physician1346998093
  3. Reginald Ariyasu, MDOphthalmology Physician1285654939
  4. William Astle, MDOphthalmology Physician1700808276
  5. Adrian Au, MDRetina Specialist (Ophthalmology) Physician1124482450
  6. Saghar Bagheri, MDGlaucoma Specialist (Ophthalmology) Physician1821627399

Verify Hamid Hosseini in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license F5829
    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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94% fewer Medicare Part D claims than the average ophthalmology physician in 2024

87 Medicare Part D claims for 36 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Hamid Hosseini87
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate17 claims
  2. Dorzolamide-Timolol16 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): 74.6 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.

  1. Qualityout of 100 · 30% of the final score85.0
  2. Costout of 100 · 30%30.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $67.81

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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. Hamid Hosseini$67.81
  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.

Hamid Hosseini among 2,899 ophthalmology physician records in California

Hamid Hosseini 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 2014, is newer than 82% of them.

  • NPI issued2014 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2014 · 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 Hamid Hosseini's NPI number?

Hamid Hosseini's National Provider Identifier (NPI) is 1811390883, issued on Oct 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Hamid Hosseini located?

The NPPES record lists a practice address at 100 Stein Plz, Los Angeles, CA, 90095. Phone: (310) 206-7474. Providers update this record themselves, so call before visiting.

How can I verify Hamid Hosseini's license?

NPPES lists California license number F5829, 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 Hamid Hosseini prescribe under Medicare Part D?

In 2024, Hamid Hosseini had 87 Medicare Part D claims for 36 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Hamid Hosseini's MIPS final score?

The 2023 MIPS final score is 74.6 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.