Ryan Patrick Larsen, O.D.
Optometrist · Casper, WY
Ryan Patrick Larsen, O.D. is an optometrist with a practice address in Casper, Wyoming, and NPI 1568534527, issued on Nov 14, 2006. Check the license (Wyoming 309T, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Patrick Larsen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 309T WY
Self-reported in NPPES; status is on the state search - Practice location
- 1940 E 1St St, Casper, WY 82601
- Phone
- (307) 266-9988
- Enumerated
- Nov 14, 2006
- Record last updated
- Jan 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (307) 266-9992
- Medicare enrollment
- Enrolled (PECOS I20061214000497); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2006
- Entity
- Type 1 · individual
8 nearest optometrist records → All 147 in Wyoming → Look up another NPI →
Also registered at 1940 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jerrold Larsen, O.D.Optometrist1952488595
Verify Ryan Patrick Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 309TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average optometrist in 2024
179 Medicare Part D claims for 93 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Prednisolone Acetate57 claims
- Latanoprost42 claims
- Tobramycin-Dexamethasone20 claims
- Lumigan15 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.
The MIPS final score for 2023 (Medicare payment program): 91.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Larsen Vision Clinic PCCasper, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Patrick Larsen among 147 optometrist records in Wyoming
Ryan Patrick Larsen, O.D. is one of 147 optometrist records with a practice address in Wyoming. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 48% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2006 among the 92 with a school on file
- Record last updated2008 · 79% 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 Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 optometrist records list a practice address in Casper
They are 22 of the 1,924 NPPES records with a practice address in Casper, and 147 optometrist records in Wyoming.
All 147 in Wyoming → Every provider in Casper → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nicholas Brattis, O.D.Casper, WY 826011861527178
- David Carlson, O.D.Casper, WY 826011245274752
- Dana Day, O.D.Casper, WY 826011780689067
- Nathan Edwards, O.D.Casper, WY 826011730408956
- Paul Gustafson, O.D.Casper, WY 826011184666422
- Mike Harris, O.D.Casper, WY 826011104819333
- Jerrold Larsen, O.D.Casper, WY 826011952488595
- Christopher Loe, O.D.Casper, WY 826011447635149
Common questions
What is Ryan Patrick Larsen, O.D.'s NPI number?
Ryan Patrick Larsen, O.D.'s National Provider Identifier (NPI) is 1568534527, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Patrick Larsen, O.D. located?
The NPPES record lists a practice address at 1940 E 1St St, Casper, WY, 82601. Phone: (307) 266-9988. Providers update this record themselves, so call before visiting.
How can I verify Ryan Patrick Larsen, O.D.'s license?
NPPES lists Wyoming license number 309T, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Patrick Larsen, O.D. prescribe under Medicare Part D?
In 2024, Ryan Patrick Larsen, O.D. had 179 Medicare Part D claims for 93 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Ryan Patrick Larsen, O.D.'s MIPS final score?
The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.