BLAIR GERRATT OD
NPI 1346809423
Optometrist in Billings, MT
About Blair Gerratt Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BLAIR GERRATT OD (NPI 1346809423) is an individual optometrist in Billings, Montana, licensed in Montana (OPT-OPT-LIC-3558) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri St Louis - School Of Optometry (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Blair Gerratt Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Blair Gerratt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Billings, MT 59102
- Reassigned Medicare billing, Montana enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILLINGS, MT 59102
BILLINGS, MT 59102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Blair Gerratt's NPI number?
The NPI number for Blair Gerratt is 1346809423. It was assigned to this individual provider in the NPPES registry on June 11, 2019.
Where is Blair Gerratt located?
Blair Gerratt practices at 111 S 24th St W, Billings, MT 59102. The listed phone number is (406) 651-9063.
What is Blair Gerratt's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Blair Gerratt enrolled in Medicare?
Yes. Blair Gerratt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Blair Gerratt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Blair Gerratt reassigns Medicare benefits to Tom Felstet Od, PLLC (Billings, MT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Blair Gerratt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Blair Gerratt accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and PacificSource Health Plans and 1 other insurer list Blair Gerratt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Blair Gerratt was last updated on June 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Blair Gerratt, OD · NPI 1346809423
Optometrist provider in Billings, Montana. Individual provider, active in the CMS NPPES registry since June 11, 2019.
## Identity
- **NPI:** 1346809423 (Entity type: Individual)
- **Enumerated:** June 11, 2019
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT-OPT-LIC-3558 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 S 24TH ST W, Billings, MT 59102-5600
- **Phone:** (406) 651-9063
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Tom Felstet Od, PLLC (NPI 1285172544, Billings, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri St Louis - School Of Optometry, class of 2019
## Record status
- **NPPES last updated:** June 11, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1346809423) · Data from the CMS NPPES public registry.