Aorta, ThoracicHeart Defects, CongenitalPulmonary Artery
Dr. Julia Kathryn Weld, DO
NPI1033503198PAC ID1355698648
- Publications
- 5
- Hospital affiliations
- 1
- Industry payments
- $2,164
- Medical group
- 1
- State licenses
- 3
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Weld'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. Julia Kathryn Weld is a pediatric cardiology physician in Boston, Massachusetts
Dr. Weld practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Weld's NPI, 1033503198, was assigned on March 26, 2015. Dr. Weld holds Massachusetts license 1017111.
NPI and contact details
- NPI
- 1033503198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355698648
- NPI enumeration date
- March 26, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Julia Kathryn Weld practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Weld's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Dr. Julia Kathryn Weld is affiliated with 2 sites of care and 1 medical group
Dr. Weld's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Benderson Family Heart Center. Dmand AI also links Dr. Weld to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Julia Kathryn Weld's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weld practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Weld practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Julia Kathryn Weld is one of 109 pediatric cardiology physicians in Massachusetts
Pediatric cardiology is Dr. Weld's primary specialty in the NPI Registry, under taxonomy code 2080P0202X. Dmand AI has Dr. Weld's licenses on file in 3 states: Massachusetts, New York and Pennsylvania.
Specialties and state licenses
- Pediatric cardiology, MassachusettsPrimary
- Pediatrics, New York
- Pennsylvania license
Pediatric cardiology physicians near Dr. Weld
Counts of pediatric cardiology physicians with a Dmand AI profile, by place and practice. Each opens the list.
109pediatric cardiology physicians in Massachusetts95pediatric cardiology physicians in Boston72pediatric cardiology physicians at Boston Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Julia Kathryn Weld's patients have a median age of 4
Across all payers, Dmand AI patient panel data puts Dr. Weld's median patient age at 4, with 42% women.
Dr. Weld's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 4
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
How Dr. Julia Kathryn Weld takes part in Medicare
Dr. Weld 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. Julia Kathryn Weld has 5 publications on record
Dmand AI links 5 papers to Dr. Weld, published from 2020 to 2022. 2021 was the busiest year, with 2. Dr. Weld has published most often in Cardiol Young. Dr. Weld's most frequent co-authors are Brian K. Lee, MD, Narutoshi Hibino, MD and Amina Mosope Jaji, MD.
Papers5
Years published2020 to 2022
Dr. Weld's papers by year, 2020 to 2022
Dr. Weld's most frequent co-authors
- Brian K. Lee, MD3 shared papers
- Narutoshi Hibino, MD2 shared papers
- Amina Mosope Jaji, MD2 shared papers
Recent publications by Dr. Weld
Cardiol Young
CurriculumEducational MeasurementEducational Status
Erythrocyte TransfusionHemoglobinsNorwood Procedures
Ann Thorac Surg
Aortic ValveAortic Valve InsufficiencyCardiac Catheterization
See who Dr. Weld researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weld works with, so you can find a warm path to the right pediatric cardiology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Julia Kathryn Weld received $2,164 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. Weld from 3 drug and device companies in 2025. Consulting fees make up the largest share, 81% of the total. AltaThera Pharmaceuticals LLC paid the most, $2,033.
General payments to Dr. Weld by kind, 2025 to 2025
$2.2Kin total
- Consulting fees$1,75081%
- Food and beverage$41419%
Companies that paid Dr. Weld the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Julia Kathryn Weld'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) |
| 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. Julia Kathryn Weld
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. Julia Kathryn Weld's NPI number?
Dr. Julia Kathryn Weld's NPI number is 1033503198. It was assigned on March 26, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Julia Kathryn Weld?
Dr. Julia Kathryn Weld is a pediatric cardiology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Cardiology Physician (taxonomy code 2080P0202X).
Where does Dr. Julia Kathryn Weld practice?
Dr. Weld practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Weld's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Weld to 1 dialysis center.
What is Dr. Julia Kathryn Weld's office phone number?
The practice phone on file for Dr. Weld is (617) 735-6000.
What is Dr. Julia Kathryn Weld's medical license number?
Dr. Weld holds Massachusetts license 1017111, one of the licenses on file in 3 states.
Which states has Dr. Julia Kathryn Weld been licensed in?
Dmand AI has state licenses on file for Dr. Weld in Massachusetts, New York and Pennsylvania.
Which hospitals is Dr. Julia Kathryn Weld affiliated with?
Dr. Weld practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Dr. Julia Kathryn Weld part of?
Dr. Weld is linked to Boston Children's Benderson Family Heart Center.
Does Dr. Julia Kathryn Weld accept Medicare?
Yes. CMS lists Dr. Weld as accepting Medicare assignment.
Has Dr. Julia Kathryn Weld received payments from drug or device companies?
CMS Open Payments shows $2,164 in general payments to Dr. Weld from 3 companies from 2025 to 2025. The largest total came from AltaThera Pharmaceuticals LLC.
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How long has Dr. Julia Kathryn Weld been practicing?
Dr. Weld graduated from medical school in 2015, 11 years ago.
Does Dr. Julia Kathryn Weld do research?
Dmand AI links 5 publications to Dr. Weld, published from 2020 to 2022.
Who does Dr. Julia Kathryn Weld publish with?
Dr. Weld's most frequent co-authors are Brian K. Lee, MD (3 shared papers), Narutoshi Hibino, MD (2 shared papers) and Amina Mosope Jaji, MD (2 shared papers).
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