DR. ALLISON GRUWELL (OD) – Optometrist, NPI 1417667395

DR. ALLISON GRUWELL (OD) is a healthcare provider. based in Marion, Iowa. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 117538 (IA). The NPI Number for DR. ALLISON GRUWELL (OD) is 1417667395

Main info

Female
4 Years Of Experience
Accepts Medicare Assignment
Name
DR. ALLISON GRUWELL (OD)
NPI
1417667395
Phone
(319) 377-9735
Address
985 31st St
Enumeration Date
1 December 2022
Last Update Date
1 December 2022

Doctor Profile

Medical School Name
PACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Secondary Phone
3193904144
Graduation Year
2022 (4 years ago)
PAC ID
8729449012
Group Practice PAC ID
7810024072
Professional Enrollment ID
I20230802004263
Address ID
IA524043390CE2315XSWXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience30
Completeness75
Years active:3State licenses:1Digital endpointsOther names

503 OPTOMETRY in IA

Provider Addresses for DR. ALLISON GRUWELL (OD)

  • 985 31st St

    Marion, IA 523023748

    Phone: (319) 377-9735

    Type: Location

  • 603 E Main St

    Anamosa, IA 522051845

    Phone: (319) 462-4891

    Type: Location

  • 1620 VALENTINE DR

    MARION, IA 523028903

    Phone: (319) 540-3202

    Type: Mailing

  • 108 W 1ST ST

    MONTICELLO, IA 523101519

    Phone: (319) 465-5114

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 9 Open Payments records for all available years, with a total value of $152.

Total Amount is formed as General ($152) + Research ($0) + Ownership ($0) = $152.

Last reported payment date: 2024-04-18 • Largest payer in this snapshot: Alcon Vision LLC ($75).

Total Amount

$152

General + Research + Ownership

Payments

9

Total payment records

General Amount

$152

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-18

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2023-08-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20230802004263IOptometryIATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92250Photography of the retina9292$0
92014Established patient complete exam of visual system7373$0
92004New patient complete exam of visual system2424$0
View full utilization report →

Insurance plans in this area (ZIP 52302)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7810024072View full group profile
NameSpecialtyState
O P T O M E T R YIA
O P T O M E T R YCO
O P T O M E T R YTX
O P T O M E T R YIA
O P T O M E T R YIA

Reviews

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Frequently asked questions

What number should I use to identify DR. ALLISON GRUWELL (OD) for billing?
Administrative and clinical systems typically use NPI 1417667395 for DR. ALLISON GRUWELL (OD).
Should I treat DR. ALLISON GRUWELL (OD) as an active provider?
Patients and plans typically see DR. ALLISON GRUWELL (OD) as active in the national extract.
How should patients interpret DR. ALLISON GRUWELL (OD)'s specialty?
The extract shows Optometrist for DR. ALLISON GRUWELL (OD). Clinical services aligned with this taxonomy classification.
Is DR. ALLISON GRUWELL (OD) tied to Marion, Iowa?
If you are local to Marion, Iowa, DR. ALLISON GRUWELL (OD) may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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