NPPES file of Aug 9, 2026

Allison Gruwell, OD

Optometrist · Monticello, IA

Allison Gruwell, OD is an optometrist with a practice address in Monticello, Iowa, and NPI 1417667395, issued on Dec 1, 2022. Check the license (Iowa 117538, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417667395
Name
Allison Gruwell
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
117538 IA
Self-reported in NPPES; status is on the state search
Practice location
108 W 1St St, Monticello, IA 52310
Phone
(319) 465-5114
Enumerated
Dec 1, 2022
Record last updated
Dec 1, 2022
Medicare enrollment
Enrolled (PECOS I20230802004263); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 108 W 1St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gary Fisher, OD PCOptometrist1437131364

Verify Allison Gruwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 117538
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

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Industry payments in 2024: $16.55

1 payment: food and beverage; the largest payer was CooperVision 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.

  1. Allison Gruwell$16.55
  2. Specialty average$769.99

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

  1. Bradley C Parsons OD PCCedar Rapids, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

2 optometrist records list a practice address in Monticello

They are 2 of the 34 NPPES records with a practice address in Monticello, and 676 optometrist records in Iowa.

Other optometrist records in Iowa

  1. Ryan Ackerman, O.D.Rock Rapids, IA1770692311
  2. Katie Adams, ODWest Union, IA1710500251
  3. Paul Ahern, O.D.Dyersville, IA1104892116
  4. George Alberhasky, O.D., P.C.Iowa City, IA1013036425
  5. Troy Albrecht, ODMarion, IA1053392522
  6. Steven Aljets, O.D.West Des Moines, IA1790745602
  7. Daniel Alletto, ODCenterville, IA1043668700
  8. John Altfillisch, ODOttumwa, IA1154420172
  9. Mark Altfillisch, ODOttumwa, IA1093814014
  10. Jeffrey Anderson, O.D.Boone, IA1760466098

Common questions

What is Allison Gruwell, OD's NPI number?

Allison Gruwell, OD's National Provider Identifier (NPI) is 1417667395, issued on Dec 1, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Allison Gruwell, OD located?

The NPPES record lists a practice address at 108 W 1St St, Monticello, IA, 52310. Phone: (319) 465-5114. Providers update this record themselves, so call before visiting.

How can I verify Allison Gruwell, OD's license?

NPPES lists Iowa license number 117538, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity 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.