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DR. ASHLEY NAKAMURA O.D.
NPI 1992251490
Optometrist in San Dimas, CA

Active since August 25, 2016PECOS EnrolledAccepts Medicare Assignment
83.08/100
CMS Quality Rating
425 W BONITA AVE STE 110B, SAN DIMAS, CA 91773(909) 394-0462(909) 394-0014 Get Directions Write a Review

NPPES record last updated: April 9, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 9, 2023, Aug 25, 2016 (2 updates tracked since 2016).

About Dr. Ashley Nakamura O.d. NPPES

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

DR. ASHLEY NAKAMURA O.D. (NPI 1992251490) is an individual optometrist in San Dimas, California, licensed in California (33554-TLG) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS and is a graduate of Pacific University - College Of Optometry (2016).

NPPES Registry Identity

NPI1992251490
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. ASHLEY NAKAMURACredential: O.D.
Location Address425 W BONITA AVE STE 110BSan Dimas, CA 91773-2543
Mailing Address8934 Trailridge AveSantee, CA 92071-2050
Phone(909) 394-0462
Fax(909) 394-0014
Sole ProprietorYes
Medical School CMSPacific University - College Of OptometryGraduated 2016
Enumeration DateAugust 25, 2016
Last NPPES UpdateApril 9, 20232 updates tracked since enumeration
NPPES CertifiedApril 9, 2023
✔ NPI 1992251490 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 CA · 33554-TLG
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.
425 W BONITA AVE STE 110B, San Dimas, CA 91773
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ashley Nakamura O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012286313
PECOS Enrollment IDI20170629001701
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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
374 services366 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
284 services284 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
207 services201 patients
New patient problem focused exam of visual system 92002
A new patient problem-focused exam of the visual system is a basic evaluation of your eyes and vision. It includes checking your eye movements, visual acuity, and general eye health. It helps detect any potential issues early for timely treatment.
98 services98 patients
Measurement of retinal and optic nerve function 92273
This procedure checks the health of your eyes, specifically the retina and optic nerve. These parts help in visual interpretation. The test involves non-invasive techniques to measure your eye's response to light and assess its functioning.
48 services48 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91773 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality46.16
Improvement Activities40

Other Providers at the Same Location NPPES 4

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

DR. ELIZABETH M TSAY O.D.
Optometrist
425 W BONITA AVE STE 110B
SAN DIMAS, CA 91773
Los Angeles County (909) 394-0462
VIONE WONG OD
Optometrist
425 W BONITA AVE STE 110B
SAN DIMAS, CA 91773
Los Angeles County (909) 394-0462
KELLIE-ANNE CHIEMI ISHII-KIM OD
Optometrist
425 W BONITA AVE STE 110B
SAN DIMAS, CA 91773
Los Angeles County (909) 394-0462
JULIE LAM O.D.
Optometrist
425 W BONITA AVE STE 110B
SAN DIMAS, CA 91773
Los Angeles County (909) 394-0462

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 Ashley Nakamura's NPI number?

The NPI number for Ashley Nakamura is 1992251490. It was assigned to this individual provider in the NPPES registry on August 25, 2016.

Where is Ashley Nakamura located?

Ashley Nakamura practices at 425 W Bonita Ave Ste 110B, San Dimas, CA 91773. The listed phone number is (909) 394-0462.

What is Ashley Nakamura's specialty?

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

Is Ashley Nakamura enrolled in Medicare?

Yes. Ashley Nakamura is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ashley Nakamura accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Ashley Nakamura as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ashley Nakamura was last updated on April 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.