Dr. Erin O'Brien, MD
- Hospital affiliations
- 1
- Industry payments
- $18
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2018
- Practice address
- 1211 Medical Center Drive, Nashville, TN 37232
- Practice phone
- Call (615) 322-3454
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien'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. Erin O'Brien is a pediatrician in Nashville, Tennessee
Dr. O'Brien practices at Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center.
Dr. O'Brien's NPI, 1558856013, was assigned on June 27, 2018. Dr. O'Brien holds Tennessee license 70355.
- NPI
- 1558856013NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2018
- NPI status
- Active
- Practice phone
- (615) 322-3454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Erin O'Brien practices at Vanderbilt University Medical Center in Nashville, Tennessee
Dr. O'Brien's primary practice is Vanderbilt University Medical Center, at 1211 Medical Center Drive, Nashville, TN 37232 in Davidson County. The practice phone is (615) 322-3454.
- Vanderbilt University Medical Center1211 Medical Center Drive, Nashville, TN 37232 · Davidson CountyPhone(615) 322-3454
Source: Dmand AI Affiliation Data
Dr. Erin O'Brien is affiliated with 2 sites of care and 1 medical group
Dr. O'Brien's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. O'Brien to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erin O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vanderbilt University Medical Center | Available with a free account |
| +1 more affiliated site | 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 Vanderbilt University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Erin O'Brien is one of 1,094 pediatricians in Tennessee
Pediatrics is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. O'Brien's licenses on file in 2 states: Tennessee and Missouri.
Specialties and state licenses
- Pediatrics, TennesseePrimary
- Missouri license
Pediatricians near Dr. O'Brien
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. Erin O'Brien's patients have a median age of 1
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 1, with 67% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 1
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Erin O'Brien received $18 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. O'Brien from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $18.
Companies that paid Dr. O'Brien the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Erin O'Brien'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 |
| 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. Erin O'Brien
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. Erin O'Brien's NPI number?
Dr. Erin O'Brien's NPI number is 1558856013. It was assigned on June 27, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Erin O'Brien?
Dr. Erin O'Brien is a pediatrician in Nashville, Tennessee. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Erin O'Brien practice?
Dr. O'Brien practices at 1211 Medical Center Drive, Nashville, TN 37232. Dr. O'Brien's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links Dr. O'Brien to 1 group practice or clinic.
What is Dr. Erin O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (615) 322-3454.
What is Dr. Erin O'Brien's medical license number?
Dr. O'Brien holds Tennessee license 70355, one of the licenses on file in 2 states.
Which states has Dr. Erin O'Brien been licensed in?
Dmand AI has state licenses on file for Dr. O'Brien in Tennessee and Missouri.
Which hospitals is Dr. Erin O'Brien affiliated with?
Dr. O'Brien practices at Vanderbilt University Medical Center in Nashville, Tennessee.
What medical group is Dr. Erin O'Brien part of?
Dr. O'Brien is linked to Vanderbilt University Medical Center.
Has Dr. Erin O'Brien received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. O'Brien from 1 company from 2019 to 2019. The largest total came from Pfizer Inc.
How long has Dr. Erin O'Brien been practicing?
Dr. O'Brien's NPI was assigned in 2018.
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