Sandra Marie Landwehr, OD
Optometrist · Green Bay, WI
Sandra Marie Landwehr, OD is an optometrist with a practice address in Green Bay, Wisconsin, and NPI 1770544603, issued on Mar 30, 2006. Check the license (Wisconsin 2188, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandra Marie Landwehr
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2188 WI
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 12645, Green Bay, WI 54307
- Phone
- (920) 494-2121
- Enumerated
- Mar 30, 2006
- Record last updated
- Sep 9, 2024
- Fax
- (920) 221-0117
- Medicaid IDs
- 38531700 WI
1770544603 WI - Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Verify Sandra Marie Landwehr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average optometrist in 2024
51 Medicare Part D claims for 21 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost15 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.
Sandra Marie Landwehr among 1,161 optometrist records in Wisconsin
Sandra Marie Landwehr, OD is one of 1,161 optometrist records with a practice address in Wisconsin. 74% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2024 · 62% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Wisconsin
There are 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Green Bay → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- James Elm, O.D.Green Bay, WI 543041053479147
- Teresa ElmGreen Bay, WI 543041124113402
- Emma FenrichGreen Bay, WI 543041811815772
- Thomas Hanseter, O.D.Green Bay, WI 543041306943972
- Jessica Hilbert, O.D.Green Bay, WI 543041922440429
- Craig Keller, O.D.Green Bay, WI 543041780971499
- Kyle Klika, O.D.Green Bay, WI 543041205090990
- Katie Kyles, ODGreen Bay, WI 543041962278747
Common questions
What is Sandra Marie Landwehr, OD's NPI number?
Sandra Marie Landwehr, OD's National Provider Identifier (NPI) is 1770544603, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Marie Landwehr, OD located?
The NPPES record lists a practice address at PO Box 12645, Green Bay, WI, 54307. Phone: (920) 494-2121. Providers update this record themselves, so call before visiting.
How can I verify Sandra Marie Landwehr, OD's license?
NPPES lists Wisconsin license number 2188, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sandra Marie Landwehr, OD prescribe under Medicare Part D?
In 2024, Sandra Marie Landwehr, OD had 51 Medicare Part D claims for 21 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.