Robert I. Johnson, O.D.
Optometrist · Fort Collins, CO
Robert I. Johnson, O.D. is an optometrist with a practice address in Fort Collins, Colorado, and NPI 1982737607, issued on Mar 13, 2007. Check the license (Colorado OPT2383, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert I. Johnson
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT2383 CO
Self-reported in NPPES; status is on the state search - Practice location
- 375 E Horsetooth RD Bldg 4, Fort Collins, CO 80525
- Phone
- (970) 377-3111
- Enumerated
- Mar 13, 2007
- Record last updated
- Jun 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110304000188); may accept Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2003
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Also registered at 375 E Horsetooth RD Bldg 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexandra McHutch, DPTPhysical Therapist1801525100
- Carol Schmid, DPTPhysical Therapist1962073122
- Renate ShepherdPhysical Therapy Assistant1598448540
- Michelle Stella, DPTPhysical Therapist1922587971
Verify Robert I. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license OPT2383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average optometrist in 2024
46 Medicare Part D claims for 20 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% 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.
Robert I. Johnson among 1,273 optometrist records in Colorado
Robert I. Johnson, 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 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 48% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2009 among the 750 with a school on file
- Record last updated2019 · 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 Fort Collins → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Gregory Abel, O.D.Ft Collins, CO 805251720077043
- Amy Abel, O.D.Fort Collins, CO 805251295724516
- 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 Robert I. Johnson, O.D.'s NPI number?
Robert I. Johnson, O.D.'s National Provider Identifier (NPI) is 1982737607, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert I. Johnson, O.D. located?
The NPPES record lists a practice address at 375 E Horsetooth RD Bldg 4, Fort Collins, CO, 80525. Phone: (970) 377-3111. Providers update this record themselves, so call before visiting.
How can I verify Robert I. Johnson, O.D.'s license?
NPPES lists Colorado license number OPT2383, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Robert I. Johnson, O.D. prescribe under Medicare Part D?
In 2024, Robert I. Johnson, O.D. had 46 Medicare Part D claims for 20 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.