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DR. ABIGAIL GRACE TIMMERMAN OD
NPI 1932723756
Optometrist in Wailuku, HI

Active since June 08, 2020PECOS Enrolled
450 HOOKAHI ST, WAILUKU, HI 96793(808) 877-3984 Get Directions Write a Review

NPPES record last updated: August 28, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 28, 2020, Jun 8, 2020 (2 updates tracked since 2020).

About Dr. Abigail Grace Timmerman Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ABIGAIL GRACE TIMMERMAN OD (NPI 1932723756) is an individual optometrist in Wailuku, Hawaii, licensed in Oregon (4510AATI) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bend.

NPPES Registry Identity

NPI1932723756
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. ABIGAIL GRACE TIMMERMANCredential: OD
Location Address450 HOOKAHI STWailuku, HI 96793-1474
Mailing Address20063 Sunglow CtBend, OR 97703-8591 · (231) 557-8487
Phone(808) 877-3984
Sole ProprietorNo
Enumeration DateJune 8, 2020
Last NPPES UpdateAugust 28, 20202 updates tracked since enumeration
NPPES CertifiedAugust 28, 2020
✔ NPI 1932723756 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in OR · 4510AATI
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
450 HOOKAHI ST, Wailuku, HI 96793
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Secondary Practice Location 1

Location 1452 NE Greenwood AveBend, OR 97701-4645 · Phone (541) 382-5701 · Fax (541) 382-5702

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Abigail Grace Timmerman Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Abigail Timmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aloha Eye Clinic, Ltd.
Same address
Ophthalmology
450 HOOKAHI ST
Wailuku, HI 96793
  • Reassigned Medicare billing, Hawaii enrollment
  • 21 clinicians in this Medicare group
NPI 1447298344 (808) 877-3984
Norton Sound Health Corporation
3,037 mi
Critical Access
1000 GREG KRUSCHEK AVE
Nome, AK 99762
  • Reassigned Medicare billing, Alaska enrollment
  • Also billed through NPI 1225101041 (Alaska)
  • 193 clinicians in this Medicare group
NPI 1154358232 (907) 443-3311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96793 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. NICOLE PACER OD
Optometrist
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 877-3984
DR. JIVIN GERARD TANTISIRA M.D.
Ophthalmology
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 877-3984
ANDREW WILLIAM PARLIN M.D.
Ophthalmology
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 377-3984
ALLISON M DUSINSKI PT
Physical Therapist
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 244-5541
ALOHA EYE CLINIC, LTD.
Ophthalmology
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 877-3984
DR. JAREN MITSUAKI ARIYOSHI OD
Optometrist
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 877-3984
LEV LAWRENCE GRUNSTEIN M.D.
Ophthalmology
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 877-3984
DR. GERALD CARP M.D.
Ophthalmology
450 HOOKAHI ST
WAILUKU, HI 96793
Maui County (808) 877-3984

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Abigail Timmerman's NPI number?

The NPI number for Abigail Timmerman is 1932723756. It was assigned to this individual provider in the NPPES registry on June 8, 2020.

Where is Abigail Timmerman located?

Abigail Timmerman practices at 450 Hookahi St, Wailuku, HI 96793. The listed phone number is (808) 877-3984.

What is Abigail Timmerman's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Abigail Timmerman enrolled in Medicare?

Yes. Abigail Timmerman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Abigail Timmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Timmerman reassigns Medicare benefits to 2 organizations: Aloha Eye Clinic, Ltd. (Wailuku, HI) and Norton Sound Health Corporation (Nome, AK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Abigail Timmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Abigail Timmerman was last updated on August 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.