David Brian Hammes, O.D.
Corneal and Contact Management Optometrist · Fond Du Lac, WI
David Brian Hammes, O.D. is a corneal and contact management optometrist with a practice address in Fond Du Lac, Wisconsin, and NPI 1588745756, issued on Oct 17, 2006. Check the license (Wisconsin 2976-035, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Brian Hammes
- Credential
- O.D.
- Primary taxonomy
- Corneal and Contact Management Optometrist 152WC0802X
- License number
- 2976-035 WI
Self-reported in NPPES; status is on the state search - Practice location
- 355 N Peters Ave, Fond Du Lac, WI 54935
- Phone
- (920) 922-7121
- Enumerated
- Oct 17, 2006
- Record last updated
- Nov 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (920) 922-5666
- Medicaid ID
- 38623700 WI
- Medicare enrollment
- Enrolled (PECOS I20040922000637); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2004
- Entity
- Type 1 · individual
Also registered at 355 N Peters Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cortney Birschbach, ODOptometrist1376105700
- Jessica Kulick, O.D.Optometrist1295186690
- Dave Langholff, D.C.Orthopedic Chiropractor1952374118
- Grant Lepley, O.D.Optometrist1831538727
- James Neuber, D.C.Chiropractor1104927854
- Kenneth Scholz, DDSGeneral Practice Dentistry1528062452
Verify David Brian Hammes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2976-035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average corneal and contact management optometrist in 2024
521 Medicare Part D claims for 143 beneficiaries, against an average of 225 among the 585 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost204 claims
- Timolol Maleate69 claims
- Dorzolamide-Timolol44 claims
- Neomycin-Polymyxin-Dexameth29 claims
- Lumigan25 claims
- Brimonidine Tartrate-Timolol23 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: $666.53
25 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, 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.
Bills Medicare through one group practice
- Aeg Wisconsin Professional LtdHudson, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Corneal and Contact Management Optometrist providers in Wisconsin
There are 14 corneal and contact management optometrist records in Wisconsin.
Other corneal and contact management optometrist records in Wisconsin
- Donna Brunello, O.D.Kenosha, WI1821021445
- Tai Chan, O.D.Waupun, WI1508908872
- Kerry Griebenow, O.D.New London, WI1063487072
- James Healy, O.D.Monroe, WI1053487124
- Rebecca Kabat, ODEau Claire, WI1043282106
- Greg Matus, O.D.Franklin, WI1407840531
- David May, ODWaunakee, WI1801849633
- Steven Nottleson, O.D.Marinette, WI1215996723
- Oscar Ortiz, O.D.Madison, WI1215182563
- Chad Overman, O.D.Richland Center, WI1982705810
Common questions
What is David Brian Hammes, O.D.'s NPI number?
David Brian Hammes, O.D.'s National Provider Identifier (NPI) is 1588745756, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Brian Hammes, O.D. located?
The NPPES record lists a practice address at 355 N Peters Ave, Fond Du Lac, WI, 54935. Phone: (920) 922-7121. Providers update this record themselves, so call before visiting.
How can I verify David Brian Hammes, O.D.'s license?
NPPES lists Wisconsin license number 2976-035, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does David Brian Hammes, O.D. prescribe under Medicare Part D?
In 2024, David Brian Hammes, O.D. had 521 Medicare Part D claims for 143 beneficiaries; 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.