NPPES file of Aug 9, 2026

Cassandra K. Martinson, O.D.

Optometrist · Perry, IA

Cassandra K. Martinson, O.D. is an optometrist with a practice address in Perry, Iowa, and NPI 1750720322, issued on Jun 17, 2013. Check the license (Iowa 002576, 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
1750720322
Name
Cassandra K. Martinson
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
002576 IA
Self-reported in NPPES; status is on the state search
Practice location
1313 2ND St, Perry, IA 50220
Phone
(515) 465-4203
Enumerated
Jun 17, 2013
Record last updated
Jun 30, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20131010001439); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2013
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 1313 2ND St

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

  1. James Koch, O.D.Optometrist1013941509
  2. James McCauley, O.D.Optometrist1295765493
  3. Trisha Smith, O.D.Optometrist1255933669

Verify Cassandra K. Martinson 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 002576
    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

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6% more Medicare Part D claims than the average optometrist in 2024

293 Medicare Part D claims for 85 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Cassandra Martinson293
  2. Specialty average277

Most prescribed

  1. Latanoprost134 claims
  2. Restasis28 claims
  3. Timolol Maleate24 claims
  4. Prednisolone Acetate19 claims
  5. Dorzolamide-Timolol14 claims
  6. Tobramycin-Dexamethasone12 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.

Industry payments in 2024: $174.14

3 payments; by number, the most common kind was food and beverage; the largest payer was Sight Sciences, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cassandra Martinson$174.14
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Eye Care Associates LLCPerry, IA

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

5 optometrist records list a practice address in Perry

They are 5 of the 79 NPPES records with a practice address in Perry, and 676 optometrist records in Iowa.

Other optometrist records in Iowa

  1. Ryan Ackerman, O.D.Rock Rapids, IA1770692311
  2. Katie Adams, ODWest Union, IA1710500251
  3. Paul Ahern, O.D.Dyersville, IA1104892116
  4. George Alberhasky, O.D., P.C.Iowa City, IA1013036425
  5. Troy Albrecht, ODMarion, IA1053392522
  6. Steven Aljets, O.D.West Des Moines, IA1790745602
  7. Daniel Alletto, ODCenterville, IA1043668700
  8. John Altfillisch, ODOttumwa, IA1154420172
  9. Mark Altfillisch, ODOttumwa, IA1093814014
  10. Jeffrey Anderson, O.D.Boone, IA1760466098

Common questions

What is Cassandra K. Martinson, O.D.'s NPI number?

Cassandra K. Martinson, O.D.'s National Provider Identifier (NPI) is 1750720322, issued on Jun 17, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra K. Martinson, O.D. located?

The NPPES record lists a practice address at 1313 2ND St, Perry, IA, 50220. Phone: (515) 465-4203. Providers update this record themselves, so call before visiting.

How can I verify Cassandra K. Martinson, O.D.'s license?

NPPES lists Iowa license number 002576, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Cassandra K. Martinson, O.D. prescribe under Medicare Part D?

In 2024, Cassandra K. Martinson, O.D. had 293 Medicare Part D claims for 85 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.