Chad Krezelok, O.D.
Optometrist · Bozeman, MT
Chad Krezelok, O.D. is an optometrist with a practice address in Bozeman, Montana, and NPI 1285799650, issued on Dec 26, 2006. Check the license (Montana 782, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chad Krezelok
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 782 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1500 N 7TH Ave, Bozeman, MT 59715
- Phone
- (406) 585-8153
- Enumerated
- Dec 26, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180108000405); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2006
- Entity
- Type 1 · individual
8 nearest optometrist records → All 245 in Montana → Look up another NPI →
Also registered at 1500 N 7TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rhonda AlsobrookPharmacist1700285392
- Daniel Burton, PHARMACISTPharmacist1649969650
- Brent Harberts, ODOptometrist1386808301
- Lane MeeksPharmacist1043610504
- Philip Owsley, O.D.Optometrist1477699213
- Debbie Sobrepena, RPHPharmacist1104235357
Verify Chad Krezelok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 782Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average optometrist in 2024
90 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 31% of claims.
Most prescribed
- Latanoprost35 claims
- Ketorolac Tromethamine11 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
- Eastern Shoshone TribeFort Washakie, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad Krezelok among 245 optometrist records in Montana
Chad Krezelok, O.D. is one of 245 optometrist records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2006 · median 2008 among the 160 with a school on file
- Record last updated2007 · 61% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Montana
There are 245 optometrist records in Montana.
All 245 in Montana → Every provider in Bozeman → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- John Anderson, O.D.Bozeman, MT 597151770031452
- Robert Essig, ODBozeman, MT 597151639157670
- Brent Harberts, ODBozeman, MT 597151386808301
- Sarah Kirkpatrick, ODBozeman, MT 597151144478462
- Arianna Lemay, ODBozeman, MT 597151508436627
- Philip Owsley, O.D.Bozeman, MT 597151477699213
- Thomas Sather, O.D.Bozeman, MT 597151669531224
- Jeffrey Squire, ODBozeman, MT 597151982766747
Common questions
What is Chad Krezelok, O.D.'s NPI number?
Chad Krezelok, O.D.'s National Provider Identifier (NPI) is 1285799650, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chad Krezelok, O.D. located?
The NPPES record lists a practice address at 1500 N 7TH Ave, Bozeman, MT, 59715. Phone: (406) 585-8153. Providers update this record themselves, so call before visiting.
How can I verify Chad Krezelok, O.D.'s license?
NPPES lists Montana license number 782, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Chad Krezelok, O.D. prescribe under Medicare Part D?
In 2024, Chad Krezelok, O.D. had 90 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.