John Barnes Harrison, DMD
- Part D claims, 2024
- 103
- Industry payments
- $213
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 191 Innovation Court, Suite B, Gray, LA 70359
- Practice phone
- Call (985) 303-4050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CIS Ambulatory Surgery Center
Surgery Center - Medicare-Certified · Gray, Louisiana
Find John Harrison'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.
John Barnes Harrison is a general practice dentistry in Gray, Louisiana
John Harrison practices at CIS Ambulatory Surgery Center in Gray, Louisiana.
John Harrison's NPI, 1245377720, was assigned on January 31, 2007. John Harrison holds Mississippi license 2179-85.
- NPI
- 1245377720NPI Registry (opens in a new tab)
- NPI enumeration date
- January 31, 2007
- NPI status
- Active
- Practice phone
- (985) 303-4050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John Barnes Harrison practices at CIS Ambulatory Surgery Center in Gray, Louisiana
John Harrison's primary practice is CIS Ambulatory Surgery Center, at 191 Innovation Court, Suite B, Gray, LA 70359. The practice phone is (985) 303-4050.
- CIS Ambulatory Surgery Center191 Innovation Court, Suite B, Gray, LA 70359Phone(985) 303-4050
Source: Dmand AI Affiliation Data
John Barnes Harrison is affiliated with 1 site of care
John Harrison's primary practice is CIS Ambulatory Surgery Center in Gray, Louisiana.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Barnes Harrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Harrison practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CIS Ambulatory Surgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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John Barnes Harrison is one of 596 general practice dentistrys in Louisiana
General practice is John Harrison's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. John Harrison is licensed in Mississippi.
Specialties and state licenses
- General practice dentistry, MississippiPrimary
General practice dentistrys near John Harrison
Counts of general practice dentistrys 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
John Barnes Harrison's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts John Harrison's median patient age at 13, with 75% women.
John Harrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women75%
- Men25%
Source: Dmand AI Patient Panel Data
John Barnes Harrison wrote 103 Medicare Part D claims in 2024
In 2024, John Harrison wrote 103 Medicare Part D claims for 69 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in John Harrison's Part D claims, 2024
- Opioids20%21 of 103 claims
- Antibiotics67%69 of 103 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
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John Barnes Harrison received $213 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Harrison from 1 drug or device company in 2025. Food and beverage make up the largest share, 53% of the total. Zimvie Inc. paid the most, $213.
General payments to John Harrison by kind, 2025 to 2025
- Food and beverage$11353%
- Education$10047%
Companies that paid John Harrison the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John Barnes Harrison'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 John Barnes Harrison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Barnes Harrison's NPI number?
John Barnes Harrison's NPI number is 1245377720. It was assigned on January 31, 2007, and it is active in the NPI Registry.
What does John Barnes Harrison specialize in?
John Barnes Harrison is a general practice dentistry in Gray, Louisiana. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does John Barnes Harrison practice?
John Harrison practices at 191 Innovation Court, Suite B, Gray, LA 70359. John Harrison's primary practice is CIS Ambulatory Surgery Center in Gray, Louisiana.
What is John Barnes Harrison's office phone number?
The practice phone on file for John Harrison is (985) 303-4050.
What is John Barnes Harrison's medical license number?
John Harrison holds Mississippi license 2179-85.
Has John Barnes Harrison received payments from drug or device companies?
CMS Open Payments shows $213 in general payments to John Harrison from 1 company from 2025 to 2025. The largest total came from Zimvie Inc.
How long has John Barnes Harrison been practicing?
John Harrison's NPI was assigned in 2007.
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