Dean Allen Delwiche, O.D.
Optometrist · Appleton, WI
Dean Allen Delwiche, O.D. is an optometrist with a practice address in Appleton, Wisconsin, and NPI 1669417135, issued on Jun 18, 2006. Check the license (Wisconsin 2422, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dean Allen Delwiche
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2422 WI
Self-reported in NPPES; status is on the state search - Practice location
- 21 Park PL, Appleton, WI 54914
- Phone
- (920) 739-4361
- Enumerated
- Jun 18, 2006
- Record last updated
- Mar 26, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (920) 739-6368
- Medicaid ID
- 38585500 WI
- Medicare enrollment
- Enrolled (PECOS I20051103000213); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1991
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Also registered at 21 Park PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Abata, O.D.Optometrist1043646623
- Colleen Corbett, M.D.Ophthalmology Physician1528078011
- Marvin Hall, MDOphthalmology Physician1285674655
- Mindy Harrington, ODOptometrist1689231649
- Ross Jensen, O.D.Optometrist1568758183
- Natalie Kurth, O.D.Optometrist1427625375
Verify Dean Allen Delwiche in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average optometrist in 2024
317 Medicare Part D claims for 84 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Latanoprost103 claims
- Prednisolone Acetate25 claims
- Ketorolac Tromethamine22 claims
- Timolol Maleate22 claims
- Brimonidine Tartrate20 claims
- Dorzolamide Hcl18 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: $56.10
3 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, Inc. The 34,453 providers of this specialty with any payment received $769.99 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
- Valley Eye AssociatesOshkosh, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dean Allen Delwiche among 1,161 optometrist records in Wisconsin
Dean Allen Delwiche, O.D. is one of 1,161 optometrist records with a practice address in Wisconsin. 74% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1991 · median 2008 among the 752 with a school on file
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 optometrist records list a practice address in Appleton
They are 43 of the 3,249 NPPES records with a practice address in Appleton, and 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Appleton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jill Anderson, O.D.Appleton, WI 549141366422735
- Tara Atanasoff, O.D.Appleton, WI 549141871516450
- Clifford Beaudoin, ODAppleton, WI 549141679561195
- Lawrence Johansen, O.D.Appleton, WI 549141417908955
- Bradley Jorgensen, ODAppleton, WI 549141316912686
- Kathryn Korth, O.D., F.A.A.O.Appleton, WI 549141881646636
- Elizabeth Melchert, O.D.Appleton, WI 549141992739171
- Melissa Metzger-Romatz, O.D.Appleton, WI 549141952330714
Common questions
What is Dean Allen Delwiche, O.D.'s NPI number?
Dean Allen Delwiche, O.D.'s National Provider Identifier (NPI) is 1669417135, issued on Jun 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dean Allen Delwiche, O.D. located?
The NPPES record lists a practice address at 21 Park PL, Appleton, WI, 54914. Phone: (920) 739-4361. Providers update this record themselves, so call before visiting.
How can I verify Dean Allen Delwiche, O.D.'s license?
NPPES lists Wisconsin license number 2422, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Dean Allen Delwiche, O.D. prescribe under Medicare Part D?
In 2024, Dean Allen Delwiche, O.D. had 317 Medicare Part D claims for 84 beneficiaries; the average among optometrist prescribers was 277. 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.