Physician Profile
Unclaimed ProfileAbout LASSEN
Based in Doniphan, MO, Ray A Lassen, OD is listed in the NPI registry under optometry. Ray graduated from University of Missouri St Louis - School of Optometry in 1987. Ray is also listed as specialising in optometrist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Lassen's specialty?
Dr. Lassen is an optometry in Doniphan, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Where can I find Dr. Lassen?
Dr. Lassen is listed at 1 OAK TREE VLG STE 200, Doniphan, MO 63935. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Lassen?
The number on file is (573) 996-7529. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lassen's NPI number?
Dr. Lassen's National Provider Identifier is 1275523680. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Lassen's medical education?
Dr. Lassen attended University of Missouri St Louis - School of Optometry, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lassen been practising?
Dr. Lassen has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Lassen known for?
According to Medicare billing data, Dr. Lassen provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lassen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lassen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (573) 996-7529
- Email not available
Practice Locations
1 OAK TREE VLG STE 200
Doniphan, MO 63935
Procedures Most Often Billed to Medicare
98 services · 98 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient problem focused exam of visual system | Treatment | 92012 |
41 |
| Established patient complete exam of visual system | Treatment | 92014 |
27 |
| Photography of the retina | Treatment | 92250 |
18 |
| New patient complete exam of visual system | Treatment | 92004 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Trained at University of Missouri St Louis - School of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Missouri St Louis - School of Optometry 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Established patient problem focused exam of visual system 8
Providers in MO who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.