Gregory C. Landis, O.D.
Optometrist · Lewiston, ID
Gregory C. Landis, O.D. is an optometrist with a practice address in Lewiston, Idaho, and NPI 1447253885, issued on May 31, 2005. Check the license (Idaho ODP-100426, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory C. Landis
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- ODP-100426 ID
3948/T1027 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3201 5TH St, Lewiston, ID 83501
- Phone
- (208) 743-2020
- Enumerated
- May 31, 2005
- Record last updated
- May 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (087) 433-5832
- Medicaid ID
- 0729082 OH
- Medicare enrollment
- Enrolled (PECOS I20180726003075); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 369 in Idaho → Look up another NPI →
Verify Gregory C. Landis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license ODP-100426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average optometrist in 2024
292 Medicare Part D claims for 83 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost140 claims
- Brimonidine Tartrate29 claims
- Prednisolone Acetate24 claims
- Timolol Maleate13 claims
- Ketorolac Tromethamine12 claims
- 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.
Gregory C. Landis among 369 optometrist records in Idaho
Gregory C. Landis, O.D. is one of 369 optometrist records with a practice address in Idaho. 77% 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, 90% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1987 · median 2008 among the 248 with a school on file
- Record last updated2018 · 67% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 optometrist records list a practice address in Lewiston
They are 13 of the 764 NPPES records with a practice address in Lewiston, and 369 optometrist records in Idaho.
All 369 in Idaho → Every provider in Lewiston → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Melissa Bell, ODLewiston, ID 835011801821616
- Isaac Bell, ODLewiston, ID 835011396995239
- Jennifer Erickson, ODLewiston, ID 835011497134399
- Daniel Evans, O.D.Lewiston, ID 835011134151293
- Donald James, ODLewiston, ID 835011972610236
- Daniel Klemp, O.D.Lewiston, ID 835011174513238
- Brenda Offerdahl, O.D.Lewiston, ID 835011932154341
- Carmine Petracca, ODLewiston, ID 835011457468613
Common questions
What is Gregory C. Landis, O.D.'s NPI number?
Gregory C. Landis, O.D.'s National Provider Identifier (NPI) is 1447253885, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory C. Landis, O.D. located?
The NPPES record lists a practice address at 3201 5TH St, Lewiston, ID, 83501. Phone: (208) 743-2020. Providers update this record themselves, so call before visiting.
How can I verify Gregory C. Landis, O.D.'s license?
NPPES lists Idaho license number ODP-100426, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory C. Landis, O.D. prescribe under Medicare Part D?
In 2024, Gregory C. Landis, O.D. had 292 Medicare Part D claims for 83 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.