William Berwyn Smith, MD
Ophthalmology Physician · Temecula, CA
William Berwyn Smith, MD is an ophthalmology physician with a practice address in Temecula, California, and NPI 1497709349, issued on May 22, 2006. Check the license (California G28719, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Berwyn Smith
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G28719 CA
Self-reported in NPPES; status is on the state search - Practice location
- 41877 Enterprise Cir N, Temecula, CA 92590
- Phone
- (951) 296-2244
- Enumerated
- May 22, 2006
- Record last updated
- May 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (951) 296-3604
- Medicaid ID
- 00628719 CA
- Medicare enrollment
- Enrolled (PECOS I20070118000494); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1973
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 41877 Enterprise Cir N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taylor Wikel, CLINICIANMarriage & Family Therapist1528424561
Verify William Berwyn Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G28719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average ophthalmology physician in 2024
2,094 Medicare Part D claims for 452 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost433 claims
- Timolol Maleate182 claims
- Brimonidine Tartrate172 claims
- Neomycin-Polymyxin-Dexameth164 claims
- Dorzolamide-Timolol150 claims
- Fluorometholone101 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): 81.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $352.81
14 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.
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
- Pacific Eye Institute A Medical Group IncUpland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Berwyn Smith among 2,899 ophthalmology physician records in California
William Berwyn Smith, 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 fileYes · 66% of these records are
- Graduated1973 · median 2001 among the 1,907 with a school on file
- Record last updated2008 · 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 Temecula → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Jessica Gomez, M.D.Temecula, CA 925901790041804
- Fatema Esmail, M.D.Temecula, CA 925911124288907
- Linda Huang, MDMenifee, CA 925861407841935
- Raymond Shelton, MDMenifee, CA 925861679514707
- Efraim Duzman, M.D.Irvine, CA 926041598780322
- Eran Duzman, M.D.Irvine, CA 926041174548903
- Joseph Lambert, M.D.Irvine, CA 926041548520828
- Nika Omid, M.D.Irvine, CA 926041346425964
Common questions
What is William Berwyn Smith, MD's NPI number?
William Berwyn Smith, MD's National Provider Identifier (NPI) is 1497709349, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Berwyn Smith, MD located?
The NPPES record lists a practice address at 41877 Enterprise Cir N, Temecula, CA, 92590. Phone: (951) 296-2244. Providers update this record themselves, so call before visiting.
How can I verify William Berwyn Smith, MD's license?
NPPES lists California license number G28719, 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 William Berwyn Smith, MD prescribe under Medicare Part D?
In 2024, William Berwyn Smith, MD had 2,094 Medicare Part D claims for 452 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is William Berwyn Smith, MD's MIPS final score?
The 2023 MIPS final score is 81.5 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.