David L. Guiseley, O.D.
Optometrist · Gray, ME
David L. Guiseley, O.D. is an optometrist with a practice address in Gray, Maine, and NPI 1558378737, issued on Aug 1, 2006. Check the license (Maine OPT742, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David L. Guiseley
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT742 ME
Self-reported in NPPES; status is on the state search - Practice location
- 6 Turnpike Acres RD, Gray, ME 04039
- Phone
- (207) 657-4488
- Enumerated
- Aug 1, 2006
- Record last updated
- May 26, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (207) 657-4574
- Medicaid ID
- 161630099 ME
- Medicare enrollment
- Enrolled (PECOS I20050518000971); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 310 in Maine → Look up another NPI →
Also registered at 6 Turnpike Acres RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leo Credit, PTPhysical Therapist1477509115
- Mary Feltovic, PT, DPTPhysical Therapist1932149085
- John Marc HamiltonOptometrist1154949345
Verify David L. Guiseley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license OPT742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average optometrist in 2024
602 Medicare Part D claims for 113 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost256 claims
- Timolol Maleate111 claims
- Rocklatan38 claims
- Brimonidine Tartrate33 claims
- Dorzolamide Hcl28 claims
- Rhopressa25 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
- Gray Family Vision Center, P.A.Gray, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David L. Guiseley among 310 optometrist records in Maine
David L. Guiseley, O.D. is one of 310 optometrist records with a practice address in Maine. 73% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 50% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2008 among the 212 with a school on file
- Record last updated2009 · 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 optometrist records list a practice address in Gray
They are 3 of the 80 NPPES records with a practice address in Gray, and 310 optometrist records in Maine.
All 310 in Maine → Every provider in Gray → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jonathan Cook, ODGray, ME 040391194714733
- John Marc HamiltonGray, ME 040391154949345
- Michelle Cote-Brzoza, ODGorham, ME 040381932107620
- Brittany Cousins, ODGorham, ME 040381770472128
- Alan Mathieu, O.D.Gorham, ME 040381457367419
- Dejan Varagic, ODGorham, ME 040381558930115
- Jacqueline Wills, ODGorham, ME 040381790354009
- Norman Ferguson, ODFryeburg, ME 040371174592919
Common questions
What is David L. Guiseley, O.D.'s NPI number?
David L. Guiseley, O.D.'s National Provider Identifier (NPI) is 1558378737, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David L. Guiseley, O.D. located?
The NPPES record lists a practice address at 6 Turnpike Acres RD, Gray, ME, 04039. Phone: (207) 657-4488. Providers update this record themselves, so call before visiting.
How can I verify David L. Guiseley, O.D.'s license?
NPPES lists Maine license number OPT742, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does David L. Guiseley, O.D. prescribe under Medicare Part D?
In 2024, David L. Guiseley, O.D. had 602 Medicare Part D claims for 113 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.