Dr. Gregory John Gelpi, MD
- Industry payments
- $3,068
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 12525 Perkins Rd, Baton Rouge, LA 70810
- Practice phone
- Call (225) 765-7727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Our Lady of the Lake Physician Group
Baton Rouge, Louisiana
Find Dr. Gelpi'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.
Dr. Gregory John Gelpi is a pediatrician in Baton Rouge, Louisiana
Dr. Gelpi practices at Our Lady of the Lake Physician Group in Baton Rouge, Louisiana.
Dr. Gelpi's NPI, 1518993195, was assigned on June 24, 2006. Dr. Gelpi holds Louisiana license 019542.
- NPI
- 1518993195NPI Registry (opens in a new tab)
- NPI enumeration date
- June 24, 2006
- NPI status
- Active
- Practice phone
- (225) 765-7727
- 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 Practice Data
Dr. Gregory John Gelpi practices at Our Lady of the Lake Physician Group in Baton Rouge, Louisiana
Dr. Gelpi's primary practice is Our Lady of the Lake Physician Group, at 12525 Perkins Rd, Baton Rouge, LA 70810 in East Baton Rouge Parish. The practice phone is (225) 765-7727.
- Our Lady of the Lake Physician Group12525 Perkins Rd, Baton Rouge, LA 70810 · East Baton Rouge ParishPhone(225) 765-7727
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory John Gelpi is affiliated with 2 sites of care and 1 medical group
Dr. Gelpi's primary practice is Our Lady of the Lake Physician Group in Baton Rouge, Louisiana. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Dr. Gelpi to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory John Gelpi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gelpi practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Our Lady of the Lake Physician Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory John Gelpi is one of 779 pediatricians in Louisiana
Pediatrics is Dr. Gelpi's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Gelpi is licensed in Louisiana.
Specialties and state licenses
- Pediatrics, LouisianaPrimary
Pediatricians near Dr. Gelpi
Counts of pediatricians 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
Dr. Gregory John Gelpi's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Gelpi's median patient age at 9, with 44% women.
Dr. Gelpi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Gregory John Gelpi received $3,068 in industry payments from 2016 to 2025
CMS Open Payments shows 219 general payments to Dr. Gelpi from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $462.
General payments to Dr. Gelpi by program year, 2016 to 2025
Companies that paid Dr. Gelpi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory John Gelpi'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Dr. Gregory John Gelpi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory John Gelpi's NPI number?
Dr. Gregory John Gelpi's NPI number is 1518993195. It was assigned on June 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory John Gelpi?
Dr. Gregory John Gelpi is a pediatrician in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gregory John Gelpi practice?
Dr. Gelpi practices at 12525 Perkins Rd, Baton Rouge, LA 70810. Dr. Gelpi's primary practice is Our Lady of the Lake Physician Group in Baton Rouge, Louisiana. Dmand AI also links Dr. Gelpi to 1 group practice or clinic.
What is Dr. Gregory John Gelpi's office phone number?
The practice phone on file for Dr. Gelpi is (225) 765-7727.
What is Dr. Gregory John Gelpi's medical license number?
Dr. Gelpi holds Louisiana license 019542.
What medical group is Dr. Gregory John Gelpi part of?
Dr. Gelpi is linked to Our Lady of the Lake Physician Group.
Has Dr. Gregory John Gelpi received payments from drug or device companies?
CMS Open Payments shows $3,068 in general payments to Dr. Gelpi from 32 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Gregory John Gelpi been practicing?
Dr. Gelpi's NPI was assigned in 2006.
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