Doctor profile · Federal record

Dr. Douglass Fruin, OD

Optometrist (CMS: Optometry) · Optometrist · Chicago, IL

  • NPI 1427578681
  • Accepts Medicare
  • MIPS 88.1 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2736 N Clark St
Chicago, IL 606141503
(773) 248-8866
Mailing address
1825 N Winnebago Ave Apt 203
Chicago, IL 606476322

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
December 21, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
Illinois #046.011575 · Nebraska #1467

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427578681. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,775
Distinct HCPCS
4
Medicare allowed
$221,235
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 797 770 $125
92004 New patient complete exam of visual system 578 578 $148
92012 Established patient problem focused exam of visual system 359 332 $91
92002 New patient problem focused exam of visual system 41 41 $85

In context: peer comparison

Among 92 peers in Chicago Optometrist, average services per provider: 85. This provider delivers 21× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglass Fruin's medical specialty?
Dr. Douglass Fruin practices Optometrist in Chicago, IL.
Where does Dr. Douglass Fruin practice?
Dr. Douglass Fruin practices at 2736 N Clark St, Chicago, IL 606141503. Office phone: 7732488866.
What is Dr. Douglass Fruin's NPI?
Dr. Douglass Fruin's National Provider Identifier (NPI) is 1427578681, issued by NPPES.
Does Dr. Douglass Fruin accept Medicare assignment?
Yes. Dr. Douglass Fruin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglass Fruin 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.