NPPES file of Aug 9, 2026

Andrew E. Sassaman, OD

Optometrist · Decorah, IA

Andrew E. Sassaman, OD is an optometrist with a practice address in Decorah, Iowa, and NPI 1881659001, issued on Apr 19, 2006. Check the license (Iowa 02177, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881659001
Name
Andrew E. Sassaman
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
02177 IA
3132 MN
Self-reported in NPPES; status is on the state search
Practice location
1830 State Highway 9, Decorah, IA 52101
Phone
(563) 382-2639
Enumerated
Apr 19, 2006
Record last updated
Apr 24, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid IDs
0212225 IA
0195255 IA
Medicare enrollment
Enrolled (PECOS I20130404000411); accepts Medicare assignment
Medical or professional school
Pennsylvania College Of Optometry, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1830 State Highway 9

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danielle Bakewell, APNPFamily Nurse Practitioner1972891976
  2. Scott Bierman, MDSurgery Physician1750385613
  3. Criag Carson, ODOptometrist1548265861
  4. Paul Coffeen, PAMedical Physician Assistant1396798757
  5. Anthony Coppola, DOFamily Medicine Physician1467568766
  6. Janna Edrington, RNC ARNPWomen's Health Nurse Practitioner1770563546

Verify Andrew E. Sassaman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 02177
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.0 times the Medicare Part D claims of the average optometrist in 2024

824 Medicare Part D claims for 209 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Andrew Sassaman824
  2. Specialty average277

Most prescribed

  1. Latanoprost419 claims
  2. Dorzolamide-Timolol102 claims
  3. Timolol Maleate85 claims
  4. Brimonidine Tartrate56 claims
  5. Erythromycin49 claims
  6. Prednisolone Acetate15 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.

Bills Medicare through one group practice

  1. Gundersen Clinic LtdDecorah, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Andrew E. Sassaman among 676 optometrist records in Iowa

Andrew E. Sassaman, OD 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
  • Graduated2000 · median 2006 among the 462 with a school on file
  • Record last updated2015 · 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).

7 optometrist records list a practice address in Decorah

They are 7 of the 282 NPPES records with a practice address in Decorah, and 676 optometrist records in Iowa.

The 8 optometrist records with the nearest ZIP codes

  1. Criag Carson, ODDecorah, IA 521011548265861
  2. Jennifer Gipp, O.D.Decorah, IA 521011154520666
  3. Kara Katzung, ODDecorah, IA 521011225960123
  4. Ashley Klocke, O.D.Decorah, IA 521011114239910
  5. James Meehan, O.D.Decorah, IA 521011144283680
  6. Bradley Schwartz, O.D.Decorah, IA 521011043276371
  7. Jeffrey Leeper, ODCresco, IA 521361932107513
  8. Robert Skelley, O.D.Maquoketa, IA 520601700866282

Common questions

What is Andrew E. Sassaman, OD's NPI number?

Andrew E. Sassaman, OD's National Provider Identifier (NPI) is 1881659001, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andrew E. Sassaman, OD located?

The NPPES record lists a practice address at 1830 State Highway 9, Decorah, IA, 52101. Phone: (563) 382-2639. Providers update this record themselves, so call before visiting.

How can I verify Andrew E. Sassaman, OD's license?

NPPES lists Iowa license number 02177, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Andrew E. Sassaman, OD prescribe under Medicare Part D?

In 2024, Andrew E. Sassaman, OD had 824 Medicare Part D claims for 209 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.