Nicholas Philip Hasler, OD
Optometrist · Aurora, CO
Nicholas Philip Hasler, OD is an optometrist with a practice address in Aurora, Colorado, and NPI 1356182398, issued on Jun 4, 2024. Check the license (Colorado 4018, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicholas Philip Hasler
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 4018 CO
Self-reported in NPPES; status is on the state search - Practice location
- 18801 E Hampden Ave Ste 176, Aurora, CO 80013
- Phone
- (303) 690-6510
- Enumerated
- Jun 4, 2024
- Record last updated
- Feb 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20240708002729); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2023
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Also registered at 18801 E Hampden Ave Ste 176
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leonard Graf, O.D.Optometrist1275567430
Verify Nicholas Philip Hasler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 4018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
15 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $125.02
2 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Myeyedr Optometry OF Colorado PCAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Philip Hasler among 1,273 optometrist records in Colorado
Nicholas Philip Hasler, 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 2024, is newer than 94% of them.
- NPI issued2024 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2023 · median 2009 among the 750 with a school on file
- Record last updated2025 · 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 Aurora → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Leonard Graf, O.D.Aurora, CO 800131275567430
- Kylie Castans, O.D.Aurora, CO 800121730532144
- Cristen Dillow, ODAurora, CO 800121467317206
- Lynn Durfee, O. D.Aurora, CO 800141114917127
- Jason Juba, ODAurora, CO 800121750418778
- Lilian Lahoud, O.D.Aurora, CO 800141891059085
- Justin Pierskalla-Duffy, ODAurora, CO 800121518422682
- Ruth Scholten-Lellbach, O.D.Aurora, CO 800141174589170
Common questions
What is Nicholas Philip Hasler, OD's NPI number?
Nicholas Philip Hasler, OD's National Provider Identifier (NPI) is 1356182398, issued on Jun 4, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Philip Hasler, OD located?
The NPPES record lists a practice address at 18801 E Hampden Ave Ste 176, Aurora, CO, 80013. Phone: (303) 690-6510. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Philip Hasler, OD's license?
NPPES lists Colorado license number 4018, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Nicholas Philip Hasler, OD prescribe under Medicare Part D?
In 2024, Nicholas Philip Hasler, OD had 15 Medicare Part D claims; 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.