Doctor profile · Federal record

Dr. Ray Lassen, OD

Optometrist (CMS: Optometry) · Doniphan, MO

  • NPI 1275523680
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Oak Tree Vlg, Ste 200
Doniphan, MO 639351901
(573) 996-7529
fax (573) 996-4162

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
June 29, 2010
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Missouri #T02728
Medicaid
MO #312537103

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275523680. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
135
Distinct HCPCS
5
Medicare allowed
$10,201
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 52 52 $70
92014 Established patient complete exam of visual system 39 39 $90
92250 Photography of the retina 15 15 $33
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $66
92004 New patient complete exam of visual system 14 14 $113

In context: peer comparison

Among 1 peers in this city , average services per provider: 27. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
24
Total drug cost
$1,090
Drug Type Claims Patients Total cost
Latanoprost Generic 55 12 $935
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 12 12 $154

Frequently asked questions

Auto-generated from federal data
What is Dr. Ray Lassen's medical specialty?
Dr. Ray Lassen practices Optometrist in Doniphan, MO.
Where does Dr. Ray Lassen practice?
Dr. Ray Lassen practices at 1 Oak Tree Vlg, Doniphan, MO 639351901. Office phone: 5739967529.
What is Dr. Ray Lassen's NPI?
Dr. Ray Lassen's National Provider Identifier (NPI) is 1275523680, issued by NPPES.
Does Dr. Ray Lassen accept Medicare assignment?
Yes. Dr. Ray Lassen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ray Lassen commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.