Doctor profile · Federal record

Dr. Allison Gruwell, OD

Optometrist (CMS: Optometry) · Monticello, IA

  • NPI 1417667395
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
108 W 1St St
Monticello, IA 523101519
(319) 465-5114
Additional location
603 E Main St
Anamosa, IA 522051845
(319) 462-4891
Additional location
985 31St St
Marion, IA 523023748
(319) 377-9735
Mailing address
1620 Valentine Dr
Marion, IA 523028903

Credentials & registration

NPPES · NUCC
NPI registered
December 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Iowa #117538

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417667395. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
189
Distinct HCPCS
3
Medicare allowed
$15,121
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 92 92 $35
92014 Established patient complete exam of visual system 73 73 $118
92004 New patient complete exam of visual system 24 24 $140

In context: peer comparison

Among 1 peers in Monticello Optometrist, average services per provider: 63. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 1 $16.55

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
54
Patients
14
Total drug cost
$878
Drug Type Claims Patients Total cost
Latanoprost Generic 54 14 $878

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Gruwell's medical specialty?
Dr. Allison Gruwell practices Optometrist in Monticello, IA.
Where does Dr. Allison Gruwell practice?
Dr. Allison Gruwell practices at 108 W 1St St, Monticello, IA 523101519. Office phone: 3194655114.
What is Dr. Allison Gruwell's NPI?
Dr. Allison Gruwell's National Provider Identifier (NPI) is 1417667395, issued by NPPES.
Does Dr. Allison Gruwell accept Medicare assignment?
Yes. Dr. Allison Gruwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Gruwell commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.