Ray A. Lassen, OD
Optometrist · Doniphan, MO
Ray A. Lassen, OD is an optometrist with a practice address in Doniphan, Missouri, and NPI 1275523680, issued on Oct 26, 2005. Check the license (Missouri T02728, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ray A. Lassen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- T02728 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Oak Tree Vlg, Doniphan, MO 63935
- Phone
- (573) 996-7529
- Enumerated
- Oct 26, 2005
- Record last updated
- Jun 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (573) 996-4162
- Medicaid ID
- 312537103 MO
- Medicare enrollment
- Enrolled (PECOS I20101109000098); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,242 in Missouri → Look up another NPI →
Verify Ray A. Lassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license T02728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average optometrist in 2024
127 Medicare Part D claims for 33 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Latanoprost62 claims
- Neomycin-Polymyxin-Dexameth17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ray A. Lassen among 1,242 optometrist records in Missouri
Ray A. Lassen, OD is one of 1,242 optometrist records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2007 among the 768 with a school on file
- Record last updated2010 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 optometrist records list a practice address in Doniphan
They are 2 of the 65 NPPES records with a practice address in Doniphan, and 1,242 optometrist records in Missouri.
All 1,242 in Missouri → Every provider in Doniphan → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James Hunt, O.D.Doniphan, MO 639351043257363
- Troy Bell, O.D. & ASSOC PCPoplar Bluff, MO 639011205970159
- Michael Billings, O.D.Poplar Bluff, MO 639011164419354
- Timothy Blankenship, O.D.Poplar Bluff, MO 639011164440368
- Kylie Divine, O.DPoplar Bluff, MO 639011558672162
- Willis Franklin, O.D.Poplar Bluff, MO 639011205143252
- Nanette Gunn, O.D.Poplar Bluff, MO 639011245325141
- Nathan Hurst, ODPoplar Bluff, MO 639011114857406
Common questions
What is Ray A. Lassen, OD's NPI number?
Ray A. Lassen, OD's National Provider Identifier (NPI) is 1275523680, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ray A. Lassen, OD located?
The NPPES record lists a practice address at 1 Oak Tree Vlg, Doniphan, MO, 63935. Phone: (573) 996-7529. Providers update this record themselves, so call before visiting.
How can I verify Ray A. Lassen, OD's license?
NPPES lists Missouri license number T02728, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Ray A. Lassen, OD prescribe under Medicare Part D?
In 2024, Ray A. Lassen, OD had 127 Medicare Part D claims for 33 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.