NPPES file of Aug 9, 2026

Serene Koudsi, OD

Optometrist · Redlands, CA

Serene Koudsi, OD is an optometrist with a practice address in Redlands, California, and NPI 1750275095, issued on Jun 3, 2025. Check the license (California 35946, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750275095
Name
Serene Koudsi
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
35946 CA
Self-reported in NPPES; status is on the state search
Practice location
1845 W Redlands Blvd Ste 101, Redlands, CA 92373
Phone
(909) 363-1450
Enumerated
Jun 3, 2025
Record last updated
May 22, 2026
Medicare enrollment
Enrolled (PECOS I20250725001284); 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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8 nearest optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 1845 W Redlands Blvd Ste 101

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

  1. Matthew Diggory, O.D.Optometrist1255887857
  2. Timothy Hammill, ODOptometrist1457932097
  3. Priscilla Luke, MDOphthalmology Physician1902003213
  4. Paymohn Mahdavi, M.D.Retina Specialist (Ophthalmology) Physician1295095669
  5. Madeline Padron, ODOptometrist1194651257
  6. Stella Tu, ODOptometrist1639767940

Verify Serene Koudsi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 35946    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
Find 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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Bills Medicare through one group practice

  1. Azul Vision IncRedlands, CA

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

Serene Koudsi among 8,308 optometrist records in California

Serene Koudsi, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 96% of them.

  • NPI issued2025 · 96% of these records are older, 1% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2025 · median 2008 among the 3,573 with a school on file
  • Record last updated2026 · 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

All 8,308 in California → Every provider in Redlands → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Matthew Diggory, O.D.Redlands, CA 923731255887857
  2. Bruce Greene, O.D.Redlands, CA 923731053436410
  3. Timothy Hammill, ODRedlands, CA 923731457932097
  4. Diana Hanna, ODRedlands, CA 923731073281762
  5. Lewis Kemmerer, ODRedlands, CA 923731942242912
  6. Steven Kleen, O.D.Redlands, CA 923731063497741
  7. Matthew Moraton, ODRedlands, CA 923731992219133
  8. Gayle Reis, ODRedlands, CA 923731164484259

Common questions

What is Serene Koudsi, OD's NPI number?

Serene Koudsi, OD's National Provider Identifier (NPI) is 1750275095, issued on Jun 3, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Serene Koudsi, OD located?

The NPPES record lists a practice address at 1845 W Redlands Blvd Ste 101, Redlands, CA, 92373. Phone: (909) 363-1450. Providers update this record themselves, so call before visiting.

How can I verify Serene Koudsi, OD's license?

NPPES lists California license number 35946, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.