Doctor profile · Federal record

Dr. Dean Delwiche, O.D.

Optometrist (CMS: Optometry) · Appleton, WI

  • NPI 1669417135
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21 Park Pl
Appleton, WI 549148872
(920) 739-4361
fax (920) 739-6368

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 26, 2013
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Wisconsin #2422
Medicaid
WI #38585500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669417135. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
93
Distinct HCPCS
4
Medicare allowed
$9,232
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 28 28 $119
99212 Established patient office or other outpatient visit, 10-19 minutes 23 17 $51
92004 New patient complete exam of visual system 21 21 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 21 18 $82

In context: peer comparison

Among 17 peers in Appleton Optometrist, average services per provider: 94. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$56
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Oyster Point Pharma, INC. 2 $37.13
Bausch & Lomb Americas INC. 1 $18.97

By nature of payment

Food and Beverage
$56

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
169
Patients
24
Total drug cost
$5,720
Drug Type Claims Patients Total cost
Latanoprost Generic 119 24 $2,500
Dorzolamide Hcl Generic 18 0 $409
Brimonidine Tartrate Generic 16 0 $2,607
Timolol Maleate Generic 16 0 $203

Frequently asked questions

Auto-generated from federal data
What is Dr. Dean Delwiche's medical specialty?
Dr. Dean Delwiche practices Optometrist in Appleton, WI.
Where does Dr. Dean Delwiche practice?
Dr. Dean Delwiche practices at 21 Park Pl, Appleton, WI 549148872. Office phone: 9207394361.
What is Dr. Dean Delwiche's NPI?
Dr. Dean Delwiche's National Provider Identifier (NPI) is 1669417135, issued by NPPES.
Does Dr. Dean Delwiche accept Medicare assignment?
Yes. Dr. Dean Delwiche accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dean Delwiche commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99212); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.