Delivery of Health CareHealth Services AccessibilityHospitals
Dr. David Walter Casavant, MD
NPI1720069990PAC ID6507830858
- Medicare services, 2024
- 17
- Medicare patients, 2024
- 19
- Publications
- 12
- Hospital affiliations
- 2
- Industry payments
- $97
- 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. Casavant'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. David Walter Casavant is a pediatrician in Boston, Massachusetts
Dr. Casavant practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Casavant's NPI, 1720069990, was assigned on November 7, 2005. Dr. Casavant graduated from Boston University School Of Medicine in 1995. Dr. Casavant holds Massachusetts license 155793.
NPI and contact details
- NPI
- 1720069990NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507830858
- NPI enumeration date
- November 7, 2005
- 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
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Walter Casavant practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Casavant'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. David Walter Casavant is affiliated with 3 sites of care and 2 medical groups
Dr. Casavant's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dr. Casavant is also affiliated with Massachusetts General Hospital. The medical group on file is Boston Children's Hospital. Dmand AI also links Dr. Casavant to 1 more dialysis center and 1 medical group, each named with a free account.
Massachusetts General HospitalBoston Children's Hospital1 dialysis centerName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. CasavantSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Walter Casavant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Casavant practices, 3 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 |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Walter Casavant is one of 2,101 pediatricians in Massachusetts
Pediatrics is Dr. Casavant's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Casavant is board certified in pediatric critical care medicine by the American Board of Pediatrics. Dr. Casavant is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near Dr. Casavant
Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.
2,101pediatricians in Massachusetts725pediatricians in Boston351pediatricians at Boston Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Walter Casavant billed Medicare for 17 services in 2024
CMS data shows 17 Medicare services from Dr. Casavant across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $2,517 for them. Every service was in an office.
Medicare services, 202417
Medicare patients19
Paid by Medicare$2,517
Procedure codes1
Dr. Casavant's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 182024: 176%
Dr. Casavant compared with the Massachusetts median for pediatricians, 2024
- Dr. Casavant
- Massachusetts median
- Medicare services
- 17vs 14688% below
- Medicare patients
- 19vs 9079% below
Medians across 283 pediatricians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Casavant's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Casavant?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Casavant and other pediatricians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Walter Casavant treated 19 Medicare patients in 2024, average age 33
CMS counts 19 Medicare patients who saw Dr. Casavant in 2024. The largest group is under 65, with 19 patients. 100% are also on Medicaid. Their average risk score is 4.41, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Casavant's median patient age at 11, with 43% women.
Medicare patients, 202419
Average age33
Average risk score4.41
Also on Medicaid100%
Dr. Casavant's Medicare patients by age, 2024
Dr. Casavant's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. David Walter Casavant takes part in Medicare
Dr. Casavant 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)
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Dr. David Walter Casavant has 12 publications on record
Dmand AI links 12 papers to Dr. Casavant, published from 2012 to 2023. 2019 was the busiest year, with 2. The most frequent topics are Bundle of His, Cardiac Pacing, Artificial and Electrocardiography. Dr. Casavant has published most often in Phys Rev Lett. Dr. Casavant's most frequent co-authors are Eric Dk Brooks, MD, MHS, Bernard S. Chang, MD and Jolie L. Chang, MD.
Papers12
Years published2012 to 2023
Dr. Casavant's papers by year, 2012 to 2023
Topics Dr. Casavant writes about most
- Bundle of His
- Cardiac Pacing, Artificial
- Electrocardiography
Dr. Casavant's most frequent co-authors
- Eric Dk Brooks, MD, MHS2 shared papers
- Bernard S. Chang, MD2 shared papers
- Jolie L. Chang, MD2 shared papers
Recent publications by Dr. Casavant
J Cardiovasc Electrophysiol
Bundle of HisCardiac Pacing, ArtificialElectrocardiography
Bundle of HisCardiac CatheterizationCardiac Pacing, Artificial
See who Dr. Casavant researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Casavant 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. David Walter Casavant received $97 in industry payments from 2017 to 2023
CMS Open Payments shows 2 general payments to Dr. Casavant from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Impulse Dynamics (USA) Inc. paid the most, $71.
General payments to Dr. Casavant by program year, 2017 to 2023
Companies that paid Dr. Casavant the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Walter Casavant graduated from Boston University School Of Medicine
Dr. Casavant graduated from Boston University School Of Medicine in 1995.
- Medical school
- Board certified in pediatric critical care medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. David Walter Casavant accepts plans from 5 insurance carriers
Dr. Casavant is in network with 5 carriers, including Aetna, AK State Medicaid and CMS Medicare. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- AK State Medicaid
- CMS Medicare
- NY State Medicaid
- RI State Medicaid
Plan types Dr. Casavant accepts, by number of carriers
- Medicaid3
- Medicare2
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Walter Casavant'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. David Walter Casavant
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. David Walter Casavant's NPI number?
Dr. David Walter Casavant's NPI number is 1720069990. It was assigned on November 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Walter Casavant?
Dr. David Walter Casavant is a pediatrician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. David Walter Casavant practice?
Dr. Casavant practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Casavant's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Casavant to 1 dialysis center and 1 medical group.
What is Dr. David Walter Casavant's office phone number?
The practice phone on file for Dr. Casavant is (617) 735-6000.
What is Dr. David Walter Casavant's medical license number?
Dr. Casavant holds Massachusetts license 155793.
Which hospitals is Dr. David Walter Casavant affiliated with?
Dr. Casavant practices at Boston Children's Hospital in Boston, Massachusetts. Dr. Casavant is also affiliated with Massachusetts General Hospital.
What medical group is Dr. David Walter Casavant part of?
Dr. Casavant is linked to Boston Children's Hospital. Dmand AI links Dr. Casavant to 1 more medical group.
Does Dr. David Walter Casavant accept Medicare?
Yes. CMS data shows Dr. Casavant billed Medicare for 17 services in 2024, and Dr. Casavant accepts Medicare assignment.
How many Medicare patients does Dr. David Walter Casavant see?
CMS counts 19 Medicare patients who saw Dr. Casavant in 2024, with an average age of 33.
Is Dr. David Walter Casavant board certified?
Yes. Dr. Casavant is board certified in pediatric critical care medicine by the American Board of Pediatrics.
Show 7 more questionsShow fewer questions
What services does Dr. David Walter Casavant bill to Medicare?
In 2024, Dr. Casavant's most billed Medicare services were home visit (99350).
Where did Dr. David Walter Casavant go to medical school?
Dr. Casavant graduated from Boston University School Of Medicine in 1995.
Has Dr. David Walter Casavant received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Dr. Casavant from 2 companies from 2017 to 2023. The largest total came from Impulse Dynamics (USA) Inc.
How long has Dr. David Walter Casavant been practicing?
Dr. Casavant graduated from medical school in 1995, 31 years ago.
Does Dr. David Walter Casavant do research?
Dmand AI links 12 publications to Dr. Casavant, published from 2012 to 2023.
Who does Dr. David Walter Casavant publish with?
Dr. Casavant's most frequent co-authors are Eric Dk Brooks, MD, MHS (2 shared papers), Bernard S. Chang, MD (2 shared papers) and Jolie L. Chang, MD (2 shared papers).
What insurance does Dr. David Walter Casavant accept?
Dr. Casavant is in network with 5 carriers, including Aetna, AK State Medicaid and CMS Medicare. Medicaid plans come from the most carriers, 3. Check the plan with the practice before a visit.
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