NPPES file of Aug 9, 2026

Corey D. Pratt, O.D.

Optometrist · Greeley, CO

Corey D. Pratt, O.D. is an optometrist with a practice address in Greeley, Colorado, and NPI 1598940777, issued on Jan 7, 2008. Check the license (Colorado OPT-2617, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598940777
Name
Corey D. Pratt
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT-2617 CO
Self-reported in NPPES; status is on the state search
Practice location
3485 W 10TH St Ste C, Greeley, CO 80634
Phone
(970) 353-4746
Enumerated
Jan 7, 2008
Record last updated
Jan 7, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161118000079); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3485 W 10TH St Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Breckglyn Alleman, DDSDentist1437325826
  2. Fatima ChaudhryDentist1447759733
  3. Neha Desai, DDSGeneral Practice Dentistry1922422187
  4. Joel Horton, DMDDentist1265966147
  5. Jason Jamison, DMDDentist1396030284
  6. Aditya Marwaha, DDSDentist1164986923

Verify Corey D. Pratt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license OPT-2617
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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51% fewer Medicare Part D claims than the average optometrist in 2024

135 Medicare Part D claims for 35 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Corey Pratt135
  2. Specialty average277

Most prescribed

  1. Latanoprost93 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: $133.67

6 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, 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.

  1. Corey Pratt$133.67
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. One Hour Optical Medical Services, PCDenver, CO
  2. WM Rex Eland OD PCBerthoud, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Corey D. Pratt among 1,273 optometrist records in Colorado

Corey D. Pratt, 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 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2006 · median 2009 among the 750 with a school on file
  • Record last updated2008 · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Andrew Achziger, O.D.Greeley, CO 806341487603049
  2. Joel Baatz, O.D.Greeley, CO 806341699801464
  3. Teresa Beer, ODGreeley, CO 806341205816063
  4. Jacqueline Bowen, O.D.Greeley, CO 806341194706812
  5. James Dinnebeck, O.D.Greeley, CO 806341518182351
  6. Mildred Dinnebeck, O.D.Greeley, CO 806341912122763
  7. Mary Freitag, ODGreeley, CO 806341770569998
  8. Bertram Harvey, ODGreeley, CO 806341043296965

Common questions

What is Corey D. Pratt, O.D.'s NPI number?

Corey D. Pratt, O.D.'s National Provider Identifier (NPI) is 1598940777, issued on Jan 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Corey D. Pratt, O.D. located?

The NPPES record lists a practice address at 3485 W 10TH St Ste C, Greeley, CO, 80634. Phone: (970) 353-4746. Providers update this record themselves, so call before visiting.

How can I verify Corey D. Pratt, O.D.'s license?

NPPES lists Colorado license number OPT-2617, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Corey D. Pratt, O.D. prescribe under Medicare Part D?

In 2024, Corey D. Pratt, O.D. had 135 Medicare Part D claims for 35 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.