Gregory S. Abel, O.D.
Optometrist · Ft Collins, CO
Gregory S. Abel, O.D. is an optometrist with a practice address in Ft Collins, Colorado, and NPI 1720077043, issued on Oct 19, 2005. Check the license (Colorado CO1941, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory S. Abel
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- CO1941 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2111 Custer Drive, Ft Collins, CO 80525
- Phone
- (970) 224-9880
- Enumerated
- Oct 19, 2005
- Record last updated
- Jul 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (970) 224-9881
- Medicaid ID
- 29505526 CO
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Verify Gregory S. Abel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license CO1941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average optometrist in 2024
160 Medicare Part D claims for 33 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
- Latanoprost91 claims
- Dorzolamide-Timolol17 claims
- Brimonidine Tartrate15 claims
- Xiidra15 claims
- Timolol Maleate14 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 S. Abel among 1,273 optometrist records in Colorado
Gregory S. Abel, O.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2012 · 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).
2 optometrist records list a practice address in Ft Collins
They are 2 of the 68 NPPES records with a practice address in Ft Collins, and 1,273 optometrist records in Colorado.
All 1,273 in Colorado → Every provider in Ft Collins → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Amy Abel, O.D.Fort Collins, CO 805251295724516
- Robert Johnson, O.D.Fort Collins, CO 805251982737607
- Michael Keating, O.D.Fort Collins, CO 805251134320450
- David Kisling, O.D.Fort Collins, CO 805251942281407
- Clinton Kliewer, ODFort Collins, CO 805251336348846
- Joshua Lahiff, O.D.Fort Collins, CO 805251356531685
- Benjamin Marske, O.D.Fort Collins, CO 805251679557110
- John Mihelich, O.D.Fort Collins, CO 805251467570655
Common questions
What is Gregory S. Abel, O.D.'s NPI number?
Gregory S. Abel, O.D.'s National Provider Identifier (NPI) is 1720077043, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Abel, O.D. located?
The NPPES record lists a practice address at 2111 Custer Drive, Ft Collins, CO, 80525. Phone: (970) 224-9880. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Abel, O.D.'s license?
NPPES lists Colorado license number CO1941, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory S. Abel, O.D. prescribe under Medicare Part D?
In 2024, Gregory S. Abel, O.D. had 160 Medicare Part D claims for 33 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.