Dr. Madeleine I. Matthiesen, MD
- Medicare services, 2023
- 193
- Part D claims, 2017
- 68
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- Massachusetts General Hospital, Boston, MA 02114
- Practice phone
- Call (617) 724-9410
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The General Hospital - Boston (Massachusetts General Hospital)
Multi-specialty group site · Boston, Massachusetts
Find Dr. Matthiesen'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. Madeleine I. Matthiesen is an internist in Boston, Massachusetts
Dr. Matthiesen practices at The General Hospital - Boston (Massachusetts General Hospital) in Boston, Massachusetts.
Dr. Matthiesen's NPI, 1972916963, was assigned on June 6, 2014. Dr. Matthiesen graduated from University of Chicago, Pritzker School of Medicine in 2014. Dr. Matthiesen holds Massachusetts license 268894.
- NPI
- 1972916963NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2014
- NPI status
- Active
- Practice phone
- (617) 724-9410
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Madeleine I. Matthiesen practices at 2 locations in Boston, Massachusetts
Dr. Matthiesen's primary practice is The General Hospital - Boston (Massachusetts General Hospital), at Massachusetts General Hospital, Boston, MA 02114. The practice phone is (617) 724-9410. The NPI Registry lists Dr. Matthiesen's practice address as 300 Longwood Ave, Boston, MA 02115.
- The General Hospital - Boston (Massachusetts General Hospital)PrimaryMassachusetts General Hospital, Boston, MA 02114Phone(617) 724-9410
- NPI Registry address300 Longwood Ave, Boston, MA 02115 · Suffolk CountyPhone(617) 726-7782
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Madeleine I. Matthiesen is affiliated with 2 sites of care and 2 medical groups
Dr. Matthiesen's primary practice is The General Hospital - Boston (Massachusetts General Hospital) in Boston, Massachusetts. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Matthiesen to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Madeleine I. Matthiesen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matthiesen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The General Hospital - Boston (Massachusetts General Hospital) | 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. Madeleine I. Matthiesen is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Matthiesen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Matthiesen is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Matthiesen
Counts of internists 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. Madeleine I. Matthiesen billed Medicare for 193 services in 2023
CMS data shows 193 Medicare services from Dr. Matthiesen across 4 procedure codes in 2023. Medicare paid $18,176 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Matthiesen's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2252023: 19314%
Dr. Matthiesen compared with the Massachusetts median for internists, 2023
- Dr. Matthiesen
- Massachusetts median
- Medicare services
- 193vs 43155% below
- Part D claims
- 68vs 40283% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Matthiesen's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Matthiesen and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Madeleine I. Matthiesen's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Matthiesen's median patient age at 9, with 67% women.
Dr. Matthiesen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Madeleine I. Matthiesen wrote 68 Medicare Part D claims in 2017
In 2017, Dr. Matthiesen wrote 68 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $1,115 in total drug cost. In 2016, CMS named 81 claims across 5 drugs.
Dr. Matthiesen's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 812017: 6816%
Drugs named by CMS: 4 in 2017, 5 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Madeleine I. Matthiesen graduated from University of Chicago, Pritzker School of Medicine
Dr. Matthiesen graduated from University of Chicago, Pritzker School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Madeleine I. Matthiesen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Madeleine I. Matthiesen
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. Madeleine I. Matthiesen's NPI number?
Dr. Madeleine I. Matthiesen's NPI number is 1972916963. It was assigned on June 6, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Madeleine I. Matthiesen?
Dr. Madeleine I. Matthiesen is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Madeleine I. Matthiesen practice?
Dr. Matthiesen practices at Massachusetts General Hospital, Boston, MA 02114. Dr. Matthiesen also practices at 300 Longwood Ave, Boston, MA 02115. Dr. Matthiesen's primary practice is The General Hospital - Boston (Massachusetts General Hospital) in Boston, Massachusetts. Dmand AI also links Dr. Matthiesen to 1 group practice or clinic and 1 medical group.
What is Dr. Madeleine I. Matthiesen's office phone number?
The practice phone on file for Dr. Matthiesen is (617) 724-9410.
What is Dr. Madeleine I. Matthiesen's medical license number?
Dr. Matthiesen holds Massachusetts license 268894.
What medical group is Dr. Madeleine I. Matthiesen part of?
Dr. Matthiesen is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Matthiesen to 1 more medical group.
Does Dr. Madeleine I. Matthiesen accept Medicare?
Yes. CMS data shows Dr. Matthiesen billed Medicare for 193 services in 2023.
What services does Dr. Madeleine I. Matthiesen bill to Medicare?
In 2023, Dr. Matthiesen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Madeleine I. Matthiesen go to medical school?
Dr. Matthiesen graduated from University of Chicago, Pritzker School of Medicine in 2014.
What drugs does Dr. Madeleine I. Matthiesen prescribe most?
In 2017 Medicare Part D data, Dr. Matthiesen's most prescribed drugs by claims were Oxycodone HCl, Metoprolol Succinate and Gabapentin.
How long has Dr. Madeleine I. Matthiesen been practicing?
Dr. Matthiesen graduated from medical school in 2014, 12 years ago.
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