Samuel Butler, O.D.
NPI 1538247135 · Optometrist · Spencer, IA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Butler, O.D. is a Optometrist provider in Spencer, IA (NPI 1538247135).
Provider details
- NPI number
- 1538247135
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 02135 (IA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,889 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 624 | $88 |
| Established Patient Complete Exam of Visual System92014 | 512 | $122 |
| Imaging of Retina92134 | 181 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 103 | $16 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 256 | 85 |
| Timolol Maleate | 112 | 34 |
| Brimonidine Tartrate | 85 | 20 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 77 | 23 |
| Dorzolamide Hcl | 56 | 11 |
| Netarsudil Mesylatebrand: Rhopressa | 31 | — |
| Loteprednol Etabonatebrand: Lotemax | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2007-11-06
Frequently asked questions
- What is Samuel Butler's NPI number?
- Samuel Butler's National Provider Identifier (NPI) is 1538247135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Butler's specialty?
- Samuel Butler is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Samuel Butler located?
- Samuel Butler's practice location on file with NPPES is 3 E 18th St, Spencer, IA 51301-3441.
- What is Samuel Butler's phone number?
- The practice phone number listed in the NPPES registry for Samuel Butler is (712) 262-1589.
- Does Samuel Butler accept Medicare?
- Samuel Butler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Butler's NPI active?
- Yes — Samuel Butler's NPI (1538247135) is active in the NPPES registry as of the last update on 2007-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.