NPPES file of Aug 9, 2026

Sarah Margaret Trommater, OD

Optometrist · Clare, MI

Sarah Margaret Trommater, OD is an optometrist with a practice address in Clare, Michigan, and NPI 1801881842, issued on Sep 15, 2005. Check the license (Michigan ST004269, as entered in NPPES) with the Michigan 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
1801881842
Name
Sarah Margaret Trommater
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
ST004269 MI
Self-reported in NPPES; status is on the state search
Practice location
605 N Mcewan St, Clare, MI 48617
Phone
(989) 386-2111
Enumerated
Sep 15, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(989) 386-2180
Medicare enrollment
Enrolled (PECOS I20041203000938); accepts Medicare assignment
Medical or professional school
Ferris State College - College Of Optometry, 2004
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 605 N Mcewan St

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

  1. Alan Scott, ODOptometrist1114911666

Verify Sarah Margaret Trommater in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license ST004269
    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 Michigan license search

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71% fewer Medicare Part D claims than the average optometrist in 2024

80 Medicare Part D claims for 34 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Sarah Trommater80
  2. Specialty average277

Most prescribed

  1. Prednisolone Acetate17 claims
  2. Latanoprost15 claims
  3. Dorzolamide-Timolol13 claims
  4. Timolol Maleate11 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.

One hospital affiliation

  1. Mymichigan Medical Center ClareClare, MI · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sarah Margaret Trommater among 1,963 optometrist records in Michigan

Sarah Margaret Trommater, OD is one of 1,963 optometrist records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2004 · median 2009 among the 1,121 with a school on file
  • Record last updated2007 · 68% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 optometrist records list a practice address in Clare

They are 5 of the 160 NPPES records with a practice address in Clare, and 1,963 optometrist records in Michigan.

The 8 optometrist records with the nearest ZIP codes

  1. John Finn, O.D.Clare, MI 486171114952348
  2. Brian Hales, O.D.Clare, MI 486171154619286
  3. Dale MoserClare, MI 486171972691202
  4. Alan Scott, ODClare, MI 486171114911666
  5. Theodore Billy, O.D.Chesaning, MI 486161861461766
  6. David Duryea, O.D.Chesaning, MI 486161679542633
  7. William Hass, ODChesaning, MI 486161972598258
  8. Autumn Wicke, O.D.Chesaning, MI 486161770552671

Common questions

What is Sarah Margaret Trommater, OD's NPI number?

Sarah Margaret Trommater, OD's National Provider Identifier (NPI) is 1801881842, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Margaret Trommater, OD located?

The NPPES record lists a practice address at 605 N Mcewan St, Clare, MI, 48617. Phone: (989) 386-2111. Providers update this record themselves, so call before visiting.

How can I verify Sarah Margaret Trommater, OD's license?

NPPES lists Michigan license number ST004269, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Margaret Trommater, OD prescribe under Medicare Part D?

In 2024, Sarah Margaret Trommater, OD had 80 Medicare Part D claims for 34 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.