Dr. John Massey, MD, MPH
- Industry payments
- $288
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 401 State Highway 73, Marlton, NJ 08053
- Practice phone
- Call (973) 595-0600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocare Totowa Pediatrics
Marlton, New Jersey
Find Dr. Massey'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. John Massey is a pediatrician in Marlton, New Jersey
Dr. Massey practices at Advocare Totowa Pediatrics in Marlton, New Jersey.
Dr. Massey's NPI, 1609430982, was assigned on April 23, 2019. Dr. Massey graduated from St. George's University School of Medicine in 2019. Dr. Massey holds New Jersey license 25MA11486800.
- NPI
- 1609430982NPI Registry (opens in a new tab)
- NPI enumeration date
- April 23, 2019
- NPI status
- Active
- Practice phone
- (973) 595-0600
- 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; and Dmand AI Practice Data
Dr. John Massey practices at Advocare Totowa Pediatrics in Marlton, New Jersey
Dr. Massey's primary practice is Advocare Totowa Pediatrics, at 401 State Highway 73, Marlton, NJ 08053 in Burlington County. The practice phone is (973) 595-0600.
- Advocare Totowa Pediatrics401 State Highway 73, Marlton, NJ 08053 · Burlington CountyPhone(973) 595-0600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Massey is affiliated with 1 site of care and 1 medical group
Dr. Massey's primary practice is Advocare Totowa Pediatrics in Marlton, New Jersey. The medical group on file is St. Joseph's Health Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Massey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Massey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocare Totowa Pediatrics | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Massey is one of 1,923 pediatricians in New Jersey
Pediatrics is Dr. Massey's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Massey is licensed in New Jersey.
Specialties and state licenses
- Pediatrics, New JerseyPrimary
Pediatricians near Dr. Massey
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. John Massey's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Massey's median patient age at 7, with 44% women.
Dr. Massey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. John Massey received $288 in industry payments from 2023 to 2025
CMS Open Payments shows 10 general payments to Dr. Massey from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $193.
General payments to Dr. Massey by program year, 2023 to 2025
Companies that paid Dr. Massey the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Massey graduated from St. George's University School of Medicine
Dr. Massey graduated from St. George's University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Massey'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) |
| 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 Dr. John Massey
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. John Massey's NPI number?
Dr. John Massey's NPI number is 1609430982. It was assigned on April 23, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John Massey?
Dr. John Massey is a pediatrician in Marlton, New Jersey. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. John Massey practice?
Dr. Massey practices at 401 State Highway 73, Marlton, NJ 08053. Dr. Massey's primary practice is Advocare Totowa Pediatrics in Marlton, New Jersey.
What is Dr. John Massey's office phone number?
The practice phone on file for Dr. Massey is (973) 595-0600.
What is Dr. John Massey's medical license number?
Dr. Massey holds New Jersey license 25MA11486800.
What medical group is Dr. John Massey part of?
Dr. Massey is linked to St. Joseph's Health Medical Group.
Where did Dr. John Massey go to medical school?
Dr. Massey graduated from St. George's University School of Medicine in 2019.
Has Dr. John Massey received payments from drug or device companies?
CMS Open Payments shows $288 in general payments to Dr. Massey from 4 companies from 2023 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. John Massey been practicing?
Dr. Massey graduated from medical school in 2019, 7 years ago.
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