Samuel W. Butler, O.D.
Optometrist · Spencer, IA
Samuel W. Butler, O.D. is an optometrist with a practice address in Spencer, Iowa, and NPI 1538247135, issued on Nov 1, 2006. Check the license (Iowa 02135, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samuel W. Butler
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 02135 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3 E 18TH St, Spencer, IA 51301
- Phone
- (712) 262-1589
- Enumerated
- Nov 1, 2006
- Record last updated
- Nov 6, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (712) 262-3689
- Medicaid ID
- 0198416 IA
- Medicare enrollment
- Enrolled (PECOS I20110103000161); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1999
- Entity
- Type 1 · individual
8 nearest optometrist records → All 676 in Iowa → Look up another NPI →
Verify Samuel W. Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 02135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average optometrist in 2024
753 Medicare Part D claims for 154 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Latanoprost256 claims
- Timolol Maleate112 claims
- Brimonidine Tartrate85 claims
- Dorzolamide-Timolol77 claims
- Dorzolamide Hcl56 claims
- Rhopressa31 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): 95.3 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
- Eyecare CentreSpencer, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel W. Butler among 676 optometrist records in Iowa
Samuel W. Butler, O.D. is one of 676 optometrist records with a practice address in Iowa. 76% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 44% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2006 among the 462 with a school on file
- Record last updated2007 · 74% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 optometrist records list a practice address in Spencer
They are 8 of the 346 NPPES records with a practice address in Spencer, and 676 optometrist records in Iowa.
All 676 in Iowa → Every provider in Spencer → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Joni Breuer, O.D.Spencer, IA 513011083925572
- Cheryl Bronner, ODSpencer, IA 513011194758581
- Michael Chapman, O.D.Spencer, IA 513011447242086
- Jessica Curran, O.D.Spencer, IA 513011205036993
- Bryanne Schroeder, O.D.Spencer, IA 513011972701852
- Dennis Taylor, O.D.Spencer, IA 513011437203031
- Amanda Winterboer, ODSpencer, IA 513011154634780
- Merle Baker, O.D.Estherville, IA 513341639210347
Common questions
What is Samuel W. Butler, O.D.'s NPI number?
Samuel W. Butler, O.D.'s National Provider Identifier (NPI) is 1538247135, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Samuel W. Butler, O.D. located?
The NPPES record lists a practice address at 3 E 18TH St, Spencer, IA, 51301. Phone: (712) 262-1589. Providers update this record themselves, so call before visiting.
How can I verify Samuel W. Butler, O.D.'s license?
NPPES lists Iowa license number 02135, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Samuel W. Butler, O.D. prescribe under Medicare Part D?
In 2024, Samuel W. Butler, O.D. had 753 Medicare Part D claims for 154 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Samuel W. Butler, O.D.'s MIPS final score?
The 2023 MIPS final score is 95.3 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.