Doctor profile · Federal record

Dr. Joseph Aschenbrenner, O.D.

Optometrist · Barrington, IL

  • NPI 1841329786
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 E Main St, Suite 1 East
Barrington, IL 600103203
(847) 381-5313

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
October 29, 2009
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Illinois #046.007840

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841329786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
258
Distinct HCPCS
4
Medicare allowed
$21,837
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 96 92 $39
99214 Established patient office or other outpatient visit, 30-39 minutes 90 87 $133
99213 Established patient office or other outpatient visit, 20-29 minutes 61 42 $94
92133 Imaging of optic nerve 11 11 $37

In context: peer comparison

Among 2 peers in this city , average services per provider: 274. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Johnson & Johnson Vision Care, Inc. 1 $17.42
Alcon Vision LLC 1 $15.41

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
0
Total drug cost
$412
Drug Type Claims Patients Total cost
Latanoprost Generic 34 0 $412

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Aschenbrenner's medical specialty?
Dr. Joseph Aschenbrenner practices Optometrist in Barrington, IL.
Where does Dr. Joseph Aschenbrenner practice?
Dr. Joseph Aschenbrenner practices at 330 E Main St, Barrington, IL 600103203. Office phone: 8473815313.
What is Dr. Joseph Aschenbrenner's NPI?
Dr. Joseph Aschenbrenner's National Provider Identifier (NPI) is 1841329786, issued by NPPES.
What procedures does Dr. Joseph Aschenbrenner commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.