Doctor profile · Federal record
Dr. Aaron Gruber, O.D.
Optometrist (CMS: Optometry) · Appleton, WI
- NPI 1548558869
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
712 N Casaloma Dr
Appleton, WI 549138550
(920) 832-1202
fax (920) 832-1229 - Mailing address
-
12000 W Carmen Ave
Milwaukee, WI 532252116
Credentials & registration
- NPI registered
- July 2011 — 15 yrs on file
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Wisconsin #3238-35
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548558869. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,429
Distinct HCPCS
5
Medicare allowed
$20,544
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
66984 |
Removal of cataract with insertion of prosthetic lens | 1,260 | 11 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 112 | 112 | $121 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 19 | $85 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $157 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 15 | 14 | $53 |
In context: peer comparison
Among 17 peers in this city , average services per provider: 94. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$53
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tarsus Pharmaceuticals, Inc. | 1 | $38.75 | |
| Johnson & Johnson Vision Care, Inc. | 1 | $13.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
232
Patients
61
Total drug cost
$23,242
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 115 | 25 | $1,612 |
| Timolol Maleate | Generic | 65 | 17 | $2,944 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 19 | 19 | $339 |
| Brimonidine Tartrate | Generic | 17 | 0 | $2,335 |
| Restasis (Cyclosporine) | Brand | 16 | 0 | $16,013 |
Frequently asked questions
What is Dr. Aaron Gruber's medical specialty?
Dr. Aaron Gruber practices Optometrist in Appleton, WI.
Where does Dr. Aaron Gruber practice?
Dr. Aaron Gruber practices at 712 N Casaloma Dr, Appleton, WI 549138550. Office phone: 9208321202.
What is Dr. Aaron Gruber's NPI?
Dr. Aaron Gruber's National Provider Identifier (NPI) is 1548558869, issued by NPPES.
Does Dr. Aaron Gruber accept Medicare assignment?
Yes. Dr. Aaron Gruber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Gruber commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.