What is Ashley Nakamura's NPI number?

Ashley Nakamura's National Provider Identifier (NPI) is 1992251490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ashley Nakamura's specialty?

Ashley Nakamura is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Ashley Nakamura located?

Ashley Nakamura's practice location on file with NPPES is 425 W Bonita Ave Ste 110b, San Dimas, CA 91773-2543.

What is Ashley Nakamura's phone number?

The practice phone number listed in the NPPES registry for Ashley Nakamura is (909) 394-0462.

Does Ashley Nakamura accept Medicare?

Ashley Nakamura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Ashley Nakamura's NPI active?

Yes — Ashley Nakamura's NPI (1992251490) is active in the NPPES registry as of the last update on 2023-04-09.

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Ashley Nakamura, O.D.

NPI 1992251490 · Optometrist · San Dimas, CA

Ashley Nakamura, O.D. is a Optometrist provider in San Dimas, CA (NPI 1992251490).

Provider details

NPI number: 1992251490
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Female
Sole proprietor: Yes
License: 33554-TLG (CA)

Practice location

425 W Bonita Ave Ste 110b

San Dimas, CA 91773-2543

Phone: (909) 394-0462

Fax: (909) 394-0014

Street-level locationGet directions

More CA providers

Mailing address

8934 Trailridge Ave

Santee, CA 92071-2050

Specialties & taxonomies

OptometristPrimary152W00000XLicense 33554-TLG (CA)
Eye and Vision Services Providers

Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(70/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
10 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
1,064 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Complete Exam of Visual System92014	374	$133
New Patient Complete Exam of Visual System92004	284	$156
Established Patient Problem Focused Exam of Visual System92012	207	$95
New Patient Problem Focused Exam of Visual System92002	98	$90
Measurement of Retinal and Optic Nerve Function92273	48	$138
New Patient Complete Exam of Visual System92004	36	$93
New Patient Problem Focused Exam of Visual System

Enumerated: 2016-08-25
Last updated: 2023-04-09
Certified: 2023-04-09

Frequently asked questions

What is Ashley Nakamura's NPI number?: Ashley Nakamura's National Provider Identifier (NPI) is 1992251490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ashley Nakamura's specialty?: Ashley Nakamura is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
Where is Ashley Nakamura located?: Ashley Nakamura's practice location on file with NPPES is 425 W Bonita Ave Ste 110b, San Dimas, CA 91773-2543.
What is Ashley Nakamura's phone number?: The practice phone number listed in the NPPES registry for Ashley Nakamura is (909) 394-0462.
Does Ashley Nakamura accept Medicare?: Ashley Nakamura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Ashley Nakamura's NPI active?: Yes — Ashley Nakamura's NPI (1992251490) is active in the NPPES registry as of the last update on 2023-04-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)