John C. Sooy Jr.
- Part D claims, 2023
- 11
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 111 Grossman Dr, Braintree, MA 02184-4997
- Practice phone
- Call (781) 849-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Multi-specialty group site · Braintree, Massachusetts
Find John Sooy'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 C. Sooy Jr. is a pediatrician in Braintree, Massachusetts
John Sooy practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
John Sooy's NPI, 1053844928, was assigned on April 7, 2017. John Sooy graduated from University of Massachusetts Medical School in 2017. John Sooy holds Massachusetts license 283556.
- NPI
- 1053844928NPI Registry (opens in a new tab)
- NPI enumeration date
- April 7, 2017
- NPI status
- Active
- Practice phone
- (781) 849-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John C. Sooy Jr. practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
John Sooy's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184-4997. The practice phone is (781) 849-1000.
- Harvard Vanguard Medical Associates111 Grossman Dr, Braintree, MA 02184-4997Phone(781) 849-1000
Source: Dmand AI Affiliation Data
John C. Sooy Jr. is affiliated with 1 site of care and 1 medical group
John Sooy's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. The medical group on file is Atrius Health.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John C. Sooy Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Sooy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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John C. Sooy Jr. is one of 2,101 pediatricians in Massachusetts
Pediatrics is John Sooy's primary specialty in the NPI Registry, under taxonomy code 208000000X. John Sooy is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near John Sooy
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
John C. Sooy Jr.'s patients have a median age of 12
Across all payers, Dmand AI patient panel data puts John Sooy's median patient age at 12, with 23% women.
John Sooy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women23%
- Men76%
Source: Dmand AI Patient Panel Data
John C. Sooy Jr. wrote 11 Medicare Part D claims in 2023
In 2023, John Sooy wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $164 in total drug cost.
John Sooy's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John C. Sooy Jr. graduated from University of Massachusetts Medical School
John Sooy graduated from University of Massachusetts Medical School in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John C. Sooy Jr.'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 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) |
| 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 John C. Sooy Jr.
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 C. Sooy Jr.'s NPI number?
John C. Sooy Jr.'s NPI number is 1053844928. It was assigned on April 7, 2017, and it is active in the NPI Registry.
What does John C. Sooy Jr. specialize in?
John C. Sooy Jr. is a pediatrician in Braintree, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does John C. Sooy Jr. practice?
John Sooy practices at 111 Grossman Dr, Braintree, MA 02184-4997. John Sooy's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts.
What is John C. Sooy Jr.'s office phone number?
The practice phone on file for John Sooy is (781) 849-1000.
What is John C. Sooy Jr.'s medical license number?
John Sooy holds Massachusetts license 283556.
What medical group is John C. Sooy Jr. part of?
John Sooy is linked to Atrius Health.
Where did John C. Sooy Jr. go to medical school?
John Sooy graduated from University of Massachusetts Medical School in 2017.
What drugs does John C. Sooy Jr. prescribe most?
In 2023 Medicare Part D data, John Sooy's most prescribed drugs by claims were Fluticasone Propionate.
How long has John C. Sooy Jr. been practicing?
John Sooy graduated from medical school in 2017, 9 years ago.
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