Doctor profile · Federal record

Dr. Ashley Nakamura, O.D.

Optometrist (CMS: Optometry) · San Dimas, CA

  • NPI 1992251490
  • Accepts Medicare
  • MIPS 73.1 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
425 W Bonita Ave Ste 110B
San Dimas, CA 917732543
(909) 394-0462
fax (909) 394-0014
Mailing address
8934 Trailridge Ave
Santee, CA 920712050

Credentials & registration

NPPES · NUCC
NPI registered
August 2016 — 10 yrs on file
Profile last updated
April 9, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #33554-TLG

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992251490. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,207
Distinct HCPCS
4
Medicare allowed
$159,048
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 489 475 $139
92004 New patient complete exam of visual system 312 312 $164
92012 Established patient problem focused exam of visual system 275 267 $99
92002 New patient problem focused exam of visual system 131 131 $95

In context: peer comparison

Among 5 peers in this city , average services per provider: 241. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Nakamura's medical specialty?
Dr. Ashley Nakamura practices Optometrist in San Dimas, CA.
Where does Dr. Ashley Nakamura practice?
Dr. Ashley Nakamura practices at 425 W Bonita Ave Ste 110B, San Dimas, CA 917732543. Office phone: 9093940462.
What is Dr. Ashley Nakamura's NPI?
Dr. Ashley Nakamura's National Provider Identifier (NPI) is 1992251490, issued by NPPES.
Does Dr. Ashley Nakamura accept Medicare assignment?
Yes. Dr. Ashley Nakamura accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Nakamura commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004); Established patient problem focused exam of visual system (HCPCS 92012). Source: CMS Medicare Physician & Other Practitioners file.