Dr. Thomas K. O'Brien, MD
- Part D claims, 2017
- 39
- Industry payments
- $2,123
- Affiliated sites
- 2
- Medical groups
- 3
- State license
- 1
- Practice address
- 20 White Rd, Shrewsbury, NJ 07702
- Practice phone
- Call (732) 741-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocare Tender Loving Care Pediatrics
Shrewsbury, New Jersey
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. Thomas K. O'Brien is a pediatrician in Shrewsbury, New Jersey
Dr. O'Brien practices at Advocare Tender Loving Care Pediatrics in Shrewsbury, New Jersey.
Dr. O'Brien's NPI, 1659342889, was assigned on January 27, 2006. Dr. O'Brien holds New Jersey license 25MA06852300.
- NPI
- 1659342889NPI Registry (opens in a new tab)
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Practice phone
- (732) 741-3400
- 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. Thomas K. O'Brien practices at Advocare Tender Loving Care Pediatrics in Shrewsbury, New Jersey
Dr. O'Brien's primary practice is Advocare Tender Loving Care Pediatrics, at 20 White Rd, Shrewsbury, NJ 07702 in Monmouth County. The practice phone is (732) 741-3400.
- Advocare Tender Loving Care Pediatrics20 White Rd, Shrewsbury, NJ 07702 · Monmouth CountyPhone(732) 741-3400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas K. O'Brien is affiliated with 3 sites of care and 3 medical groups
Dr. O'Brien's primary practice is Advocare Tender Loving Care Pediatrics in Shrewsbury, New Jersey. The medical group on file is Advocare. Dmand AI also links Dr. O'Brien to 2 more group practices and clinics and 2 medical groups, each 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. Thomas K. 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 |
|---|---|
| Advocare Tender Loving Care Pediatrics | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas K. O'Brien is one of 1,923 pediatricians in New Jersey
Pediatrics is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. O'Brien is licensed in New Jersey.
Specialties and state licenses
- Pediatrics, New JerseyPrimary
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. Thomas K. O'Brien's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 9, with 36% 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 9
Patient panel by sex, all payers
- Women36%
- Men63%
Source: Dmand AI Patient Panel Data
Dr. Thomas K. O'Brien wrote 39 Medicare Part D claims in 2017
In 2017, Dr. O'Brien wrote 39 Medicare Part D claims. They cover 3 drugs, with $383 in total drug cost. In 2016, CMS named 62 claims across 5 drugs.
Dr. O'Brien's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 622017: 3937%
Drugs named by CMS: 3 in 2017, 5 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Thomas K. O'Brien received $2,123 in industry payments from 2016 to 2025
CMS Open Payments shows 99 general payments to Dr. O'Brien from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $654.
General payments to Dr. O'Brien by program year, 2016 to 2025
Companies that paid Dr. O'Brien 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. Thomas K. 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 | 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Dr. Thomas K. 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. Thomas K. O'Brien's NPI number?
Dr. Thomas K. O'Brien's NPI number is 1659342889. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas K. O'Brien?
Dr. Thomas K. O'Brien is a pediatrician in Shrewsbury, New Jersey. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Thomas K. O'Brien practice?
Dr. O'Brien practices at 20 White Rd, Shrewsbury, NJ 07702. Dr. O'Brien's primary practice is Advocare Tender Loving Care Pediatrics in Shrewsbury, New Jersey. Dmand AI also links Dr. O'Brien to 2 group practices and clinics and 2 medical groups.
What is Dr. Thomas K. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (732) 741-3400.
What is Dr. Thomas K. O'Brien's medical license number?
Dr. O'Brien holds New Jersey license 25MA06852300.
What medical group is Dr. Thomas K. O'Brien part of?
Dr. O'Brien is linked to Advocare. Dmand AI links Dr. O'Brien to 2 more medical groups.
What drugs does Dr. Thomas K. O'Brien prescribe most?
In 2017 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Clopidogrel.
Has Dr. Thomas K. O'Brien received payments from drug or device companies?
CMS Open Payments shows $2,123 in general payments to Dr. O'Brien from 25 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Thomas K. O'Brien been practicing?
Dr. O'Brien's NPI was assigned in 2006.
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