NPPES file of Aug 9, 2026

O'Rese Joshua Knight, M.D.

Ophthalmology Physician · San Francisco, CA

O'Rese Joshua Knight, M.D. is an ophthalmology physician with a practice address in San Francisco, California, and NPI 1093956013, issued on Mar 20, 2009. Check the license (California C184030, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093956013
Name
O'Rese Joshua Knight
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
C184030 CA
Self-reported in NPPES; status is on the state search
Practice location
490 Illinois St, San Francisco, CA 94143
Phone
(415) 353-2800
Enumerated
Mar 20, 2009
Record last updated
Mar 10, 2023
Medicare enrollment
Enrolled (PECOS I20230221001406); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 2009
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 ophthalmology physician records → All 2,899 in California → Look up another NPI →

Also registered at 490 Illinois St

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

  1. Tiffany Chen, OD, MSOptometrist1114601465
  2. Adrienne Coulter, ODOptometrist1447923073
  3. Caroline Estes-Nore, MDStudent in an Organized Health Care Education/Training Program1760187769
  4. Simon Fung, MDOphthalmology Physician1194215665
  5. Luciano GreigOphthalmology Physician1154850956
  6. Shanda Manion, CNMMidwife1861365579

Verify O'Rese Joshua Knight in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C184030    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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61% fewer Medicare Part D claims than the average ophthalmology physician in 2024

596 Medicare Part D claims for 120 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. O'Rese Knight596
  2. Specialty average1,518

Most prescribed

  1. Latanoprost176 claims
  2. Dorzolamide-Timolol87 claims
  3. Timolol Maleate57 claims
  4. Brimonidine Tartrate49 claims
  5. Prednisolone Acetate48 claims
  6. Lumigan22 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.

Industry payments in 2024: $206.06

5 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, 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. O'Rese Knight$206.06
  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 one group practice

  1. Ucsf Medical Group Business ServicesBerkeley, CA

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

O'Rese Joshua Knight among 2,899 ophthalmology physician records in California

O'Rese Joshua Knight, 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 2009, is newer than 72% of them.

  • NPI issued2009 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2009 · median 2001 among the 1,907 with a school on file
  • Record last updated2023 · 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.

All 2,899 in California → Every provider in San Francisco → Ophthalmology Physician nationwide →

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Nisha Acharya, M.D.San Francisco, CA 941431972544872
  2. Robert Bhisitkul, MDSan Francisco, CA 941431831138676
  3. Joseph Crawford, MDSan Francisco, CA 941431831141712
  4. Eugene De Juan, MDSan Francisco, CA 941431043262074
  5. Jacque Duncan, MDSan Francisco, CA 941431942252978
  6. Allan Flach, MDSan Francisco, CA 941431043261134
  7. Jonathan Horton, MDSan Francisco, CA 941431992757363
  8. David Hwang, MDSan Francisco, CA 941431346292224

Common questions

What is O'Rese Joshua Knight, M.D.'s NPI number?

O'Rese Joshua Knight, M.D.'s National Provider Identifier (NPI) is 1093956013, issued on Mar 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is O'Rese Joshua Knight, M.D. located?

The NPPES record lists a practice address at 490 Illinois St, San Francisco, CA, 94143. Phone: (415) 353-2800. Providers update this record themselves, so call before visiting.

How can I verify O'Rese Joshua Knight, M.D.'s license?

NPPES lists California license number C184030, 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 O'Rese Joshua Knight, M.D. prescribe under Medicare Part D?

In 2024, O'Rese Joshua Knight, M.D. had 596 Medicare Part D claims for 120 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions 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.