Ashley Nakamura, O.D.
NPI 1992251490 · Optometrist · San Dimas, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
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)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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 |
Practice location
Mailing address
Registry dates
- 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.