Andrew Sassaman, OD
NPI 1881659001 · Optometrist · Decorah, IA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Sassaman, OD is a Optometrist provider in Decorah, IA (NPI 1881659001).
Provider details
- NPI number
- 1881659001
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 02177 (IA)
Specialties & taxonomies
Eye and Vision Services Providers
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
20 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
2,218 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 Complete Exam of Visual System92014 | 693 | $121 |
| 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 | 367 | $16 |
| Imaging of Optic Nerve92133 | 264 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 256 | $123 |
| Imaging of Retina92134 | 181 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 419 | 114 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 102 | 27 |
| Timolol Maleate | 85 | 27 |
| Brimonidine Tartrate | 56 | 18 |
| Erythromycin Basebrand: Erythromycin | 49 | 27 |
| Prednisolone Acetate | 15 | — |
| Dorzolamide/Timolol/Pfbrand: Dorzolamide-Timolol | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2015-04-24
Frequently asked questions
- What is Andrew Sassaman's NPI number?
- Andrew Sassaman's National Provider Identifier (NPI) is 1881659001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Sassaman's specialty?
- Andrew Sassaman is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Andrew Sassaman located?
- Andrew Sassaman's practice location on file with NPPES is 1830 State Highway 9, Decorah, IA 52101-7301.
- What is Andrew Sassaman's phone number?
- The practice phone number listed in the NPPES registry for Andrew Sassaman is (563) 382-2639.
- Does Andrew Sassaman accept Medicare?
- Andrew Sassaman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Sassaman's NPI active?
- Yes — Andrew Sassaman's NPI (1881659001) is active in the NPPES registry as of the last update on 2015-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.