Registry data as of Aug 27, 2026

Clemence Bonnet, MD, PHD

Cornea and External Diseases Specialist Physician · Los Angeles, CA

Clemence Bonnet, MD, PHD is a cornea and external diseases specialist physician with a practice address in Los Angeles, California, and NPI 1861256547, issued on Feb 12, 2024. Check the license (California SPI812, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1861256547
Name
Clemence Bonnet
Credential
MD, PHD
Primary taxonomy
Cornea and External Diseases Specialist Physician 207WX0120X
License number
SPI812 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Stein Plaza, Los Angeles, CA 90095
Phone
(310) 206-7202
Enumerated
Feb 12, 2024
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 200 Stein Plaza

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

  1. Aya Barzelay WollmanRetina Specialist (Ophthalmology) Physician1093592172
  2. Tony Chan, ODOphthalmology Physician1952894487
  3. Christie ChenLow Vision Rehabilitation Optometrist1962194191
  4. Marisa Chung, ODOptometrist1689868978
  5. Alexander De Castro-Abeger, MD, MBAOphthalmology Physician1902255367
  6. Christina Douglas, MDOphthalmology Physician1699263913

Verify Clemence Bonnet in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license SPI812
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

61% fewer Medicare Part D claims than the average cornea and external diseases specialist physician in 2024

508 Medicare Part D claims for 115 beneficiaries, against an average of 1,306 among the 282 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Clemence Bonnet508
  2. Specialty average1,306

Most prescribed

  1. Moxifloxacin146 claims
  2. Prednisolone Acetate126 claims
  3. Erythromycin29 claims
  4. Latanoprost25 claims
  5. Dorzolamide-Timolol17 claims
  6. Difluprednate16 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.

One hospital or facility affiliation

  1. Jules Stein Eye Institute Medical GroupSanta Monica, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Cornea and External Diseases Specialist Physician providers in California

There are 46 cornea and external diseases specialist physician records in California.

Other cornea and external diseases specialist physician records in California

  1. Rakhi Ammar, MDLa Jolla, CA1285138503
  2. Patricia Bainter, MDLa Jolla, CA1487737847
  3. Brandon Bates, MDOrange, CA1376288274
  4. Carla BerkowitzSan Diego, CA1578928669
  5. Shyamanga Borooah, MDSan Diego, CA1275165102
  6. Clement Cheng, MDStanford, CA1629065826
  7. Daniel Choi, MDWest Hills, CA1679078216
  8. Joanne Choi, MDSan Francisco, CA1063041838
  9. Michael Choi, M.D.Buena Park, CA1871912279
  10. Adam Dao, MDSan Diego, CA1770870446

Common questions

What is Clemence Bonnet, MD, PHD's NPI number?

Clemence Bonnet, MD, PHD's National Provider Identifier (NPI) is 1861256547, issued on Feb 12, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Clemence Bonnet, MD, PHD located?

The NPPES record lists a practice address at 200 Stein Plaza, Los Angeles, CA, 90095. Phone: (310) 206-7202. Providers update this record themselves, so call before visiting.

How can I verify Clemence Bonnet, MD, PHD's license?

NPPES lists California license number SPI812, 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 Clemence Bonnet, MD, PHD prescribe under Medicare Part D?

In 2024, Clemence Bonnet, MD, PHD had 508 Medicare Part D claims for 115 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,306. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.