Thomas Adam Geurkink, O.D.
Optometrist · Norman, OK
Thomas Adam Geurkink, O.D. is an optometrist with a practice address in Norman, Oklahoma, and NPI 1356370654, issued on Jul 1, 2006. Check the license (Oklahoma 1177, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Adam Geurkink
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1177 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1141 36TH Ave NW Ste 102, Norman, OK 73072
- Phone
- (405) 329-8100
- Enumerated
- Jul 1, 2006
- Record last updated
- Jul 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (405) 321-5503
- Medicare enrollment
- Enrolled (PECOS I20100609000058); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 892 in Oklahoma → Look up another NPI →
Verify Thomas Adam Geurkink in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 1177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average optometrist in 2024
336 Medicare Part D claims for 99 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Latanoprost118 claims
- Lumigan47 claims
- Timolol Maleate34 claims
- Dorzolamide-Timolol28 claims
- Fluorometholone20 claims
- Tafluprost13 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.
Thomas Adam Geurkink among 892 optometrist records in Oklahoma
Thomas Adam Geurkink, O.D. is one of 892 optometrist records with a practice address in Oklahoma. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2008 among the 620 with a school on file
- Record last updated2010 · 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Oklahoma
There are 892 optometrist records in Oklahoma.
All 892 in Oklahoma → Every provider in Norman → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Alec Bailey, ODNorman, OK 730721538082953
- Terresa Harrington, ODNorman, OK 730721629029988
- Tanya Ingels, O.D.Norman, OK 730721033298112
- Jay Johnson, ODNorman, OK 730721104970052
- Nicole Kish, O.D.Norman, OK 730721952334906
- Jeffrey Pettigrew, O.D.Norman, OK 730721497894844
- Jackie Powers, ODNorman, OK 730721578677605
- Forrest Shed, ODNorman, OK 730721548452899
Common questions
What is Thomas Adam Geurkink, O.D.'s NPI number?
Thomas Adam Geurkink, O.D.'s National Provider Identifier (NPI) is 1356370654, issued on Jul 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Adam Geurkink, O.D. located?
The NPPES record lists a practice address at 1141 36TH Ave NW Ste 102, Norman, OK, 73072. Phone: (405) 329-8100. Providers update this record themselves, so call before visiting.
How can I verify Thomas Adam Geurkink, O.D.'s license?
NPPES lists Oklahoma license number 1177, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Adam Geurkink, O.D. prescribe under Medicare Part D?
In 2024, Thomas Adam Geurkink, O.D. had 336 Medicare Part D claims for 99 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.