Dr. John S. Sullivan, MD
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $170
- Medical groups
- 2
- State license
- 1
- Practice address
- 20 York Street, New Haven, CT 06510
- Practice phone
- Call (203) 688-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Psychiatric Hospital (York St)
Psychiatric Inpatient Facility · New Haven, Connecticut
Find Dr. Sullivan'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 S. Sullivan is a pediatrician in New Haven, Connecticut
Dr. Sullivan practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Sullivan's NPI, 1376108050, was assigned on May 7, 2019. Dr. Sullivan graduated from University of Massachusetts Medical School in 2019. Dr. Sullivan holds District of Columbia license MD210002092.
- NPI
- 1376108050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810222197
- NPI enumeration date
- May 7, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 688-5900
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John S. Sullivan practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Sullivan's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.
- Yale New Haven Psychiatric Hospital (York St)20 York Street, New Haven, CT 06510Phone(203) 688-5900
Source: Dmand AI Affiliation Data
Dr. John S. Sullivan is affiliated with 2 sites of care and 2 medical groups
Dr. Sullivan's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dr. Sullivan is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Sullivan to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John S. Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sullivan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John S. Sullivan is one of 788 pediatricians in Connecticut
Pediatrics is Dr. Sullivan's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Sullivan is licensed in District of Columbia.
Specialties and state licenses
- Pediatrics, District of ColumbiaPrimary
Pediatricians near Dr. Sullivan
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 S. Sullivan's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Sullivan's median patient age at 13, with 52% women.
Dr. Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women52%
- Men45%
Source: Dmand AI Patient Panel Data
How Dr. John S. Sullivan takes part in Medicare
Dr. Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. John S. Sullivan has 1 publication on record
Dmand AI links 1 paper to Dr. Sullivan in 2022. Dr. Sullivan's most frequent co-author is Laura Anne Maitoza, MD.
Dr. Sullivan's most frequent co-authors
Recent publications by Dr. Sullivan
See who Dr. Sullivan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sullivan works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John S. Sullivan received $170 in industry payments from 2023 to 2024
CMS Open Payments shows 6 general payments to Dr. Sullivan from 1 drug or device company from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $170.
General payments to Dr. Sullivan by program year, 2023 to 2024
Companies that paid Dr. Sullivan the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John S. Sullivan graduated from University of Massachusetts Medical School
Dr. Sullivan graduated from University of Massachusetts Medical School in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John S. Sullivan'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 S. Sullivan
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 S. Sullivan's NPI number?
Dr. John S. Sullivan's NPI number is 1376108050. It was assigned on May 7, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Sullivan?
Dr. John S. Sullivan is a pediatrician in New Haven, Connecticut. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. John S. Sullivan practice?
Dr. Sullivan practices at 20 York Street, New Haven, CT 06510. Dr. Sullivan's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Dr. Sullivan to 1 medical group.
What is Dr. John S. Sullivan's office phone number?
The practice phone on file for Dr. Sullivan is (203) 688-5900.
What is Dr. John S. Sullivan's medical license number?
Dr. Sullivan holds District of Columbia license MD210002092.
Which hospitals is Dr. John S. Sullivan affiliated with?
Dr. Sullivan is affiliated with Yale New Haven Hospital.
What medical group is Dr. John S. Sullivan part of?
Dr. Sullivan is linked to Yale Health. Dmand AI links Dr. Sullivan to 1 more medical group.
Does Dr. John S. Sullivan accept Medicare?
Yes. CMS lists Dr. Sullivan as accepting Medicare assignment.
Where did Dr. John S. Sullivan go to medical school?
Dr. Sullivan graduated from University of Massachusetts Medical School in 2019.
Has Dr. John S. Sullivan received payments from drug or device companies?
CMS Open Payments shows $170 in general payments to Dr. Sullivan from 1 company from 2023 to 2024. The largest total came from Teva Pharmaceuticals USA, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. John S. Sullivan been practicing?
Dr. Sullivan graduated from medical school in 2019, 7 years ago.
Does Dr. John S. Sullivan do research?
Dmand AI links 1 publication to Dr. Sullivan.
Who does Dr. John S. Sullivan publish with?
Dr. Sullivan's most frequent co-authors are Laura Anne Maitoza, MD (1 shared paper).
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