Doctor profile · Federal record

Dr. Inning Chen, O.D.

Optometrist (CMS: Optometry) · Mesa, AZ

  • NPI 1265688402
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1940 S Country Club Dr, #102
Mesa, AZ 852106042
(480) 834-6367

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
October 30, 2014
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Arizona #1640

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265688402. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
551
Distinct HCPCS
7
Medicare allowed
$50,563
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 131 91 $107
92083 Exam of visual field with extended testing 103 67 $80
92133 Imaging of optic nerve 103 68 $42
92134 Imaging of retina 90 67 $50
92014 Established patient complete exam of visual system 88 88 $157
66984 Removal of cataract with insertion of prosthetic lens 18 12 $129
92004 New patient complete exam of visual system 18 18 $185

In context: peer comparison

Among 19 peers in this city , average services per provider: 119. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$371
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
LKC Technologies, Inc. 2 $184.06
Bausch & Lomb Americas Inc. 1 $123.59
CooperVision Inc. 1 $63.66

By nature of payment

Food and Beverage
$371

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
134
Patients
36
Total drug cost
$5,343
Drug Type Claims Patients Total cost
Latanoprost Generic 103 25 $2,360
Dorzolamide-Timolol (Dorzolamide/Timolol/Pf) Brand 18 0 $2,810
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 13 11 $173

Frequently asked questions

Auto-generated from federal data
What is Dr. Inning Chen's medical specialty?
Dr. Inning Chen practices Optometrist in Mesa, AZ.
Where does Dr. Inning Chen practice?
Dr. Inning Chen practices at 1940 S Country Club Dr, Mesa, AZ 852106042. Office phone: 4808346367.
What is Dr. Inning Chen's NPI?
Dr. Inning Chen's National Provider Identifier (NPI) is 1265688402, issued by NPPES.
Does Dr. Inning Chen accept Medicare assignment?
Yes. Dr. Inning Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Inning Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Exam of visual field with extended testing (HCPCS 92083); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.