Blair Gerratt, OD
- Medicare patients, 2024
- 117
- Part D claims, 2024
- 237
- Hospital affiliations
- 1
- Industry payments
- $116
- Medical group
- 1
- Practice address
- 2800 10th Ave N, Billings, MT 59101
- Practice phone
- Call (406) 657-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Blair Gerratt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Blair Gerratt is an optometrist in Billings, Montana
Blair Gerratt practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.
Blair Gerratt's NPI, 1346809423, was assigned on June 11, 2019. Blair Gerratt graduated from University of Missouri St Louis - School of Optometry in 2019. Blair Gerratt holds Montana license OPT-OPT-LIC-3558.
- NPI
- 1346809423NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991130304
- NPI enumeration date
- June 11, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 657-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Blair Gerratt practices at Billings Clinic Hospital in Billings, Montana
Blair Gerratt's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.
- Billings Clinic Hospital2800 10th Ave N, Billings, MT 59101 · Yellowstone CountyPhone(406) 657-4000
Source: Dmand AI Affiliation Data
Blair Gerratt is affiliated with 2 sites of care and 1 medical group
Blair Gerratt's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Blair Gerratt to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Blair Gerratt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Blair Gerratt practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Billings Clinic Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Billings Clinic and 6.2K+ hospitals, with verified contacts in the same login.
Blair Gerratt is one of 197 optometrists in Montana
Optometrist is Blair Gerratt's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Blair Gerratt is licensed in Montana.
Specialties and state licenses
- Optometrist, MontanaPrimary
Optometrists near Blair Gerratt
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Blair Gerratt treated 117 Medicare patients in 2024, average age 72
CMS counts 117 Medicare patients who saw Blair Gerratt in 2024. The largest group is 65 to 74, with 68 patients. 59% of them have high blood pressure, and 54% have high cholesterol. 11% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Blair Gerratt's median patient age at 73, with 56% women.
Blair Gerratt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Blair Gerratt's Medicare patients by sex, 2024
- Women8169%
- Men3631%
Chronic conditions among Blair Gerratt's Medicare patients, 2024
- High blood pressure59%
- High cholesterol54%
- Arthritis39%
- Diabetes21%
- Mood disorders21%
- Depression20%
- Anxiety17%
- Cancer15%
Share of Medicare patients with each condition. A patient can have several.
Blair Gerratt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Blair Gerratt wrote 237 Medicare Part D claims in 2024
In 2024, Blair Gerratt wrote 237 Medicare Part D claims for 66 patients. 74% of them were for generic drugs.
Blair Gerratt's Part D claims by kind of drug, 2024
- Generic175 claims74%
- Brand-name62 claims26%
Drug classes CMS tracks in Blair Gerratt's Part D claims, 2024
- Antibiotics6%14 of 237 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Blair Gerratt ranks in the 67th percentile for cataract surgery in Medicare
Blair Gerratt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 62 procedures of cataract surgery by Blair Gerratt, more than 67% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Blair Gerratt ranks in Medicare procedure volume
- Cataract surgery
- 67th percentile62 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
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Blair Gerratt received $116 in industry payments in 2025
CMS Open Payments shows 1 general payment to Blair Gerratt from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. RxSight Inc paid the most, $116.
Companies that paid Blair Gerratt the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Blair Gerratt graduated from University of Missouri St Louis - School of Optometry
Blair Gerratt graduated from University of Missouri St Louis - School of Optometry in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Blair Gerratt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Blair Gerratt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Blair Gerratt's NPI number?
Blair Gerratt's NPI number is 1346809423. It was assigned on June 11, 2019, and it is active in the NPI Registry.
What does Blair Gerratt specialize in?
Blair Gerratt is an optometrist in Billings, Montana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Blair Gerratt practice?
Blair Gerratt practices at 2800 10th Ave N, Billings, MT 59101. Blair Gerratt's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Blair Gerratt to 1 group practice or clinic and 1 medical group.
What is Blair Gerratt's office phone number?
The practice phone on file for Blair Gerratt is (406) 657-4000.
What is Blair Gerratt's medical license number?
Blair Gerratt holds Montana license OPT-OPT-LIC-3558.
Which hospitals is Blair Gerratt affiliated with?
Blair Gerratt practices at Billings Clinic Hospital in Billings, Montana.
Does Blair Gerratt accept Medicare?
Yes. CMS lists Blair Gerratt as accepting Medicare assignment.
How many Medicare patients does Blair Gerratt see?
CMS counts 117 Medicare patients who saw Blair Gerratt in 2024, with an average age of 72.
Where did Blair Gerratt go to medical school?
Blair Gerratt graduated from University of Missouri St Louis - School of Optometry in 2019.
Has Blair Gerratt received payments from drug or device companies?
CMS Open Payments shows $116 in general payments to Blair Gerratt from 1 company from 2025 to 2025. The largest total came from RxSight Inc.
How long has Blair Gerratt been practicing?
Blair Gerratt graduated from medical school in 2019, 7 years ago.
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