Dr. Marc Schwartz, MD, PhD
- Industry payments
- $22
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 300 Longwood Avenue, Boston, MA
- 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. Schwartz'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. Marc Schwartz is a pediatric hematology and oncology physician in Boston, Massachusetts
Dr. Schwartz practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Schwartz's NPI, 1518351071, was assigned on March 23, 2015. Dr. Schwartz holds Massachusetts license 281254.
- NPI
- 1518351071NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2015
- NPI status
- Active
- Practice phone
- (617) 735-6000
- 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 Affiliation Data
Dr. Marc Schwartz practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Schwartz's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Dr. Marc Schwartz is affiliated with 2 medical groups
Dr. Schwartz'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 Hospital. Dmand AI also links Dr. Schwartz 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. Marc Schwartz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schwartz practices. 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 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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. Marc Schwartz is one of 159 pediatric hematologys and oncology physicians in Massachusetts
Pediatric hematology-oncology is Dr. Schwartz's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dr. Schwartz is licensed in Massachusetts.
Specialties and state licenses
- Pediatric hematology and oncology, MassachusettsPrimary
Pediatric hematologys and oncology physicians near Dr. Schwartz
Counts of pediatric hematologys and oncology physicians 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. Marc Schwartz received $22 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Schwartz from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $22.
Companies that paid Dr. Schwartz the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marc Schwartz'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 |
| 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. Marc Schwartz
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. Marc Schwartz's NPI number?
Dr. Marc Schwartz's NPI number is 1518351071. It was assigned on March 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc Schwartz?
Dr. Marc Schwartz is a pediatric hematology and oncology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).
Where does Dr. Marc Schwartz practice?
Dr. Schwartz practices at 300 Longwood Avenue, Boston, MA. Dr. Schwartz's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Schwartz to 1 medical group.
What is Dr. Marc Schwartz's office phone number?
The practice phone on file for Dr. Schwartz is (617) 735-6000.
What is Dr. Marc Schwartz's medical license number?
Dr. Schwartz holds Massachusetts license 281254.
Which hospitals is Dr. Marc Schwartz affiliated with?
Dr. Schwartz practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Dr. Marc Schwartz part of?
Dr. Schwartz is linked to Boston Children's Hospital. Dmand AI links Dr. Schwartz to 1 more medical group.
Has Dr. Marc Schwartz received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Schwartz from 1 company from 2024 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Marc Schwartz been practicing?
Dr. Schwartz's NPI was assigned in 2015.
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