Blair Gerratt, OD
Optometrist · Billings, MT
Blair Gerratt, OD is an optometrist with a practice address in Billings, Montana, and NPI 1346809423, issued on Jun 11, 2019. Check the license (Montana OPT-OPT-LIC-3558, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Blair Gerratt
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT-OPT-LIC-3558 MT
Self-reported in NPPES; status is on the state search - Practice location
- 111 S 24TH St W, Billings, MT 59102
- Phone
- (406) 651-9063
- Enumerated
- Jun 11, 2019
- Record last updated
- Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210405002441); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 2019
- Entity
- Type 1 · individual
Also registered at 111 S 24TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Biegel, O.D.Optometrist1427108836
- Kristin Pope, O.D.Optometrist1982906194
Verify Blair Gerratt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license OPT-OPT-LIC-3558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average optometrist in 2024
237 Medicare Part D claims for 66 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Latanoprost45 claims
- Brimonidine Tartrate35 claims
- Neomycin-Polymyxin-Dexameth21 claims
- Doxycycline Hyclate20 claims
- Timolol Maleate20 claims
- Prednisolone Acetate14 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: $714.62
3 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tom Felstet OD PLLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
44 optometrist records list a practice address in Billings
They are 44 of the 4,035 NPPES records with a practice address in Billings, and 245 optometrist records in Montana.
All 44 in Billings → All 245 in Montana → Every provider in Billings →
Other optometrist records in Montana
- Fred Abraham, ODGreat Falls, MT1760441828
- John Anderson, O.D.Bozeman, MT1770031452
- Roger Anderson, ODSidney, MT1740345776
- Bret Argenbright, ODShelby, MT1922049469
- Peter Babcock, O.D.Missoula, MT1972696995
- Naomi Barnes, ODWhitefish, MT1851322648
- James Barney, ODLivingston, MT1982677787
- Johanna Barney, ODLivingston, MT1528554557
- David Bauer, O.D.Billings, MT1407807068
- Anthony Baumgartner, O.D.Butte, MT1215014535
Common questions
What is Blair Gerratt, OD's NPI number?
Blair Gerratt, OD's National Provider Identifier (NPI) is 1346809423, issued on Jun 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Blair Gerratt, OD located?
The NPPES record lists a practice address at 111 S 24TH St W, Billings, MT, 59102. Phone: (406) 651-9063. Providers update this record themselves, so call before visiting.
How can I verify Blair Gerratt, OD's license?
NPPES lists Montana license number OPT-OPT-LIC-3558, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Blair Gerratt, OD prescribe under Medicare Part D?
In 2024, Blair Gerratt, OD had 237 Medicare Part D claims for 66 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.