James Douglas Dinnebeck, O.D.
Optometrist · Greeley, CO
James Douglas Dinnebeck, O.D. is an optometrist with a practice address in Greeley, Colorado, and NPI 1518182351, issued on Apr 16, 2007. Check the license (Colorado OPT.0001553, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Douglas Dinnebeck
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT.0001553 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1815 65TH Ave, Greeley, CO 80634
- Phone
- (970) 330-7200
- Enumerated
- Apr 16, 2007
- Record last updated
- Nov 30, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091214000515); accepts Medicare assignment
- Medical or professional school
- University Of Houston - College Of Optometry, 1992
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,273 in Colorado → Look up another NPI →
Also registered at 1815 65TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mildred Dinnebeck, O.D.Optometrist1912122763
- Raymond Gornell, PSYDClinical Psychologist1902914344
Verify James Douglas Dinnebeck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license OPT.0001553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
17 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost12 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.
Bills Medicare through one group practice
- Apex Vision And WellnessGreeley, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Douglas Dinnebeck among 1,273 optometrist records in Colorado
James Douglas Dinnebeck, 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
- Graduated1992 · median 2009 among the 750 with a school on file
- Record last updated2016 · 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 Greeley → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Andrew Achziger, O.D.Greeley, CO 806341487603049
- Joel Baatz, O.D.Greeley, CO 806341699801464
- Teresa Beer, ODGreeley, CO 806341205816063
- Jacqueline Bowen, O.D.Greeley, CO 806341194706812
- Mildred Dinnebeck, O.D.Greeley, CO 806341912122763
- Mary Freitag, ODGreeley, CO 806341770569998
- Bertram Harvey, ODGreeley, CO 806341043296965
- Ana Lopez, O.D.Greeley, CO 806341669540688
Common questions
What is James Douglas Dinnebeck, O.D.'s NPI number?
James Douglas Dinnebeck, O.D.'s National Provider Identifier (NPI) is 1518182351, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Douglas Dinnebeck, O.D. located?
The NPPES record lists a practice address at 1815 65TH Ave, Greeley, CO, 80634. Phone: (970) 330-7200. Providers update this record themselves, so call before visiting.
How can I verify James Douglas Dinnebeck, O.D.'s license?
NPPES lists Colorado license number OPT.0001553, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does James Douglas Dinnebeck, O.D. prescribe under Medicare Part D?
In 2024, James Douglas Dinnebeck, O.D. had 17 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.