William M. Berke, OD
Corneal and Contact Management Optometrist · Santa Ana, CA
William M. Berke, OD is a corneal and contact management optometrist with a practice address in Santa Ana, California, and NPI 1699755850, issued on Jan 21, 2006. Check the license (California 5504, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William M. Berke
- Credential
- OD
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- 5504 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3301 S Harbor Blvd, Santa Ana, CA 92704
- Phone
- (714) 979-2021
- Enumerated
- Jan 21, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 549-3367
- Entity
- Type 1 · individual
8 nearest corneal and contact management optometrist records → All 161 in California → Look up another NPI →
Verify William M. Berke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 5504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average corneal and contact management optometrist in 2024
27 Medicare Part D claims, against an average of 225 among the 585 providers of this specialty who prescribed in Part D.
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: $21.45
1 payment: food and beverage; the largest payer was Amgen Inc. The 610 providers of this specialty with any payment received $1,035.17 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.
William M. Berke among 161 corneal and contact management optometrist records in California
William M. Berke, OD is one of 161 corneal and contact management optometrist records with a practice address in California. 62% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 32% of these records are
- Record last updated2007 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WC0802X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Corneal and Contact Management Optometrist providers in California
There are 161 corneal and contact management optometrist records in California.
All 161 in California → Every provider in Santa Ana → Corneal and Contact Management Optometrist nationwide →
The 8 corneal and contact management optometrist records with the nearest ZIP codes
- Gregory Kame, OD FAAOSanta Ana, CA 927051518938307
- Dan Carver, O.D.Fountain Valley, CA 927081083688675
- Pantea Meghdadi, O.D.Fountain Valley, CA 927081639251374
- Seiju Terada, O.D.Fountain Valley, CA 927081992862676
- Roushanak Fadavi, O.D.Mission Viejo, CA 926921891033825
- Sheri Nguyen, O.D.Westminster, CA 926831023212651
- Gabriel Dery, O.D.San Juan Capistrano, CA 926751730113291
- George ShundaNewport Beach, CA 926631346434909
Common questions
What is William M. Berke, OD's NPI number?
William M. Berke, OD's National Provider Identifier (NPI) is 1699755850, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William M. Berke, OD located?
The NPPES record lists a practice address at 3301 S Harbor Blvd, Santa Ana, CA, 92704. Phone: (714) 979-2021. Providers update this record themselves, so call before visiting.
How can I verify William M. Berke, OD's license?
NPPES lists California license number 5504, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William M. Berke, OD prescribe under Medicare Part D?
In 2024, William M. Berke, OD had 27 Medicare Part D claims; the average among corneal and contact management optometrist prescribers was 225. 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.