Irwin Stuart Weiss, MD
Ophthalmology Physician · Pacific Palisades, CA
Irwin Stuart Weiss, MD is an ophthalmology physician with a practice address in Pacific Palisades, California, and NPI 1821010976, issued on Jul 24, 2006. Check the license (California G15111, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irwin Stuart Weiss
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G15111 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1521 Sorrento Dr, Pacific Palisades, CA 90272
- Phone
- (310) 454-1490
- Enumerated
- Jul 24, 2006
- Record last updated
- Jul 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Irwin Stuart Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G15111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average ophthalmology physician in 2024
50 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of 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.
Irwin Stuart Weiss among 2,899 ophthalmology physician records in California
Irwin Stuart Weiss, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- 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.
All 2,899 in California → Every provider in Pacific Palisades → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Afinowicz, MDRancho Palos Verdes, CA 902751689128563
- Willie Boone, M.D.Rancho Palos Verdes, CA 902751942236542
- Stuart Cole, MDRancho Palos Verdes, CA 902751538273461
- Thomas Morris, MDRancho Palos Verdes, CA 902751366815409
- Frederick Williams, M.D.Rancho Palos Verdes, CA 902751194797258
- Lawrence August, M.D.Redondo Beach, CA 902771609867506
- Sanford Davidson, MDRedondo Beach, CA 902771699964577
- Aarchan Joshi, M.D.Redondo Beach, CA 902771649261413
Common questions
What is Irwin Stuart Weiss, MD's NPI number?
Irwin Stuart Weiss, MD's National Provider Identifier (NPI) is 1821010976, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irwin Stuart Weiss, MD located?
The NPPES record lists a practice address at 1521 Sorrento Dr, Pacific Palisades, CA, 90272. Phone: (310) 454-1490. Providers update this record themselves, so call before visiting.
How can I verify Irwin Stuart Weiss, MD's license?
NPPES lists California license number G15111, 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 Irwin Stuart Weiss, MD prescribe under Medicare Part D?
In 2024, Irwin Stuart Weiss, MD had 50 Medicare Part D claims; 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.
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.