Amanda Groenhuyzen, OD
Optometrist · Denver, CO
Amanda Groenhuyzen, OD is an optometrist with a practice address in Denver, Colorado, and NPI 1780317115, issued on Jul 4, 2022. Check the license (Colorado 3928, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amanda Groenhuyzen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3928 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1033 S Gaylord St, Denver, CO 80209
- Phone
- (303) 282-5427
- Enumerated
- Jul 4, 2022
- Record last updated
- May 29, 2026
- Fax
- (983) 200-8870
- Medicare enrollment
- Enrolled (PECOS I20230824000002); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Also registered at 1033 S Gaylord St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharnelle Kamibayashi, ODOptometrist1023662012
Verify Amanda Groenhuyzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 3928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average optometrist in 2024
58 Medicare Part D claims for 25 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.
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.
Industry payments in 2024: $18.51
1 payment: entertainment; the largest payer was Optos, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- One Hour Optical Medical Services, PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amanda Groenhuyzen among 1,273 optometrist records in Colorado
Amanda Groenhuyzen, OD is one of 1,273 optometrist records with a practice address in Colorado. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2009 among the 750 with a school on file
- Record last updated2026 · 63% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Colorado
There are 1,273 optometrist records in Colorado.
All 1,273 in Colorado → Every provider in Denver → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Channing Baird, O.D., INC.Denver, CO 802091043211477
- Frank Gardner, ODDenver, CO 802091619071016
- Mari Hirata, O.D.Denver, CO 802091891875506
- Sharnelle Kamibayashi, ODDenver, CO 802091023662012
- Rachael Lux, ODDenver, CO 802091770336497
- Hugh Macmillan, O.D.Denver, CO 802091548541972
- Jennifer Owen, O.D.Denver, CO 802091275778748
- John Peterson, O.D.Denver, CO 802091366738486
Common questions
What is Amanda Groenhuyzen, OD's NPI number?
Amanda Groenhuyzen, OD's National Provider Identifier (NPI) is 1780317115, issued on Jul 4, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Groenhuyzen, OD located?
The NPPES record lists a practice address at 1033 S Gaylord St, Denver, CO, 80209. Phone: (303) 282-5427. Providers update this record themselves, so call before visiting.
How can I verify Amanda Groenhuyzen, OD's license?
NPPES lists Colorado license number 3928, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Amanda Groenhuyzen, OD prescribe under Medicare Part D?
In 2024, Amanda Groenhuyzen, OD had 58 Medicare Part D claims for 25 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.