Dr. Margaret O.p. Fallon, MD
- Hospital affiliations
- 1
- Industry payments
- $285
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 2014 Washington Street, Newton, MA 02462
- Practice phone
- Call (617) 243-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fallon'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. Margaret O.p. Fallon is a pediatrician in Newton Lower Falls, Massachusetts
Dr. Fallon practices at Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham.
Dr. Fallon's NPI, 1780104968, was assigned on June 20, 2017. Dr. Fallon holds Massachusetts license 271340.
- NPI
- 1780104968NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183998131
- NPI enumeration date
- June 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 243-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret O.p. Fallon practices at Newton-Wellesley Hospital in Newton, Massachusetts
Dr. Fallon's primary practice is Newton-Wellesley Hospital, at 2014 Washington Street, Newton, MA 02462 in Middlesex County. The practice phone is (617) 243-6000.
- Newton-Wellesley Hospital2014 Washington Street, Newton, MA 02462 · Middlesex CountyPhone(617) 243-6000
Source: Dmand AI Affiliation Data
Dr. Margaret O.p. Fallon is affiliated with 4 sites of care and 2 medical groups
Dr. Fallon's primary practice is Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Fallon to 2 more group practices and clinics, 1 hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Margaret O.p. Fallon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fallon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Newton-Wellesley Hospital | Available with a free account |
| +3 more sites and 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Margaret O.p. Fallon is one of 2,101 pediatricians in Massachusetts
Pediatrics is Dr. Fallon's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Fallon is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near Dr. Fallon
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. Margaret O.p. Fallon's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Fallon's median patient age at 12, with 64% women.
Dr. Fallon'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
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
How Dr. Margaret O.p. Fallon takes part in Medicare
Dr. Fallon 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. Margaret O.p. Fallon received $285 in industry payments from 2021 to 2025
CMS Open Payments shows 14 general payments to Dr. Fallon from 8 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $64.
General payments to Dr. Fallon by program year, 2021 to 2025
Companies that paid Dr. Fallon the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Margaret O.p. Fallon'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) |
| 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. Margaret O.p. Fallon
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. Margaret O.p. Fallon's NPI number?
Dr. Margaret O.p. Fallon's NPI number is 1780104968. It was assigned on June 20, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret O.p. Fallon?
Dr. Margaret O.p. Fallon is a pediatrician in Newton Lower Falls, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Margaret O.p. Fallon practice?
Dr. Fallon practices at 2014 Washington Street, Newton, MA 02462. Dr. Fallon's primary practice is Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Fallon to 2 group practices and clinics, 1 hospital outpatient department and 1 medical group.
What is Dr. Margaret O.p. Fallon's office phone number?
The practice phone on file for Dr. Fallon is (617) 243-6000.
What is Dr. Margaret O.p. Fallon's medical license number?
Dr. Fallon holds Massachusetts license 271340.
Which hospitals is Dr. Margaret O.p. Fallon affiliated with?
Dr. Fallon practices at Newton-Wellesley Hospital in Newton, Massachusetts.
What medical group is Dr. Margaret O.p. Fallon part of?
Dr. Fallon is linked to Massachusetts General Hospital. Dmand AI links Dr. Fallon to 1 more medical group.
Does Dr. Margaret O.p. Fallon accept Medicare?
Yes. CMS lists Dr. Fallon as accepting Medicare assignment.
Has Dr. Margaret O.p. Fallon received payments from drug or device companies?
CMS Open Payments shows $285 in general payments to Dr. Fallon from 8 companies from 2021 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Margaret O.p. Fallon been practicing?
Dr. Fallon's NPI was assigned in 2017.
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