Dr. Marti D. Soffer, MD, MPH
- Hospital affiliations
- 1
- Industry payments
- $63
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Soffer'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. Marti D. Soffer is a maternal-fetal medicine specialist in Boston, Massachusetts
Dr. Soffer practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Soffer's NPI, 1659758563, was assigned on April 29, 2015. Dr. Soffer graduated from Icahn School of Medicine at Mount Sinai in 2015. Dr. Soffer holds Massachusetts license 277923.
- NPI
- 1659758563NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406192814
- NPI enumeration date
- April 29, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- 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. Marti D. Soffer practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Soffer's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Marti D. Soffer is affiliated with 5 sites of care and 4 medical groups
Dr. Soffer's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Soffer to 3 more group practices and clinics, 3 medical groups and 1 community health center, 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. Marti D. Soffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Soffer practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +4 more sites and 3 medical groups | 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. Marti D. Soffer is one of 79 maternal-fetal medicine specialists in Massachusetts
Maternal and fetal medicine is Dr. Soffer's primary specialty in the NPI Registry, under taxonomy code 207VM0101X. Dr. Soffer is licensed in Massachusetts.
Specialties and state licenses
- Maternal and fetal medicine, MassachusettsPrimary
Maternal-fetal medicine specialists near Dr. Soffer
Counts of maternal-fetal medicine specialists 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. Marti D. Soffer's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Dr. Soffer's median patient age at 34, with 97% women.
Dr. Soffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women97%
- Men3%
Source: Dmand AI Patient Panel Data
How Dr. Marti D. Soffer takes part in Medicare
Dr. Soffer 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. Marti D. Soffer received $63 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Soffer from 1 drug or device company in 2024. Education make up the largest share, 100% of the total. Biogen, Inc. paid the most, $63.
Companies that paid Dr. Soffer the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marti D. Soffer graduated from Icahn School of Medicine at Mount Sinai
Dr. Soffer graduated from Icahn School of Medicine at Mount Sinai in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marti D. Soffer'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) |
| 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. Marti D. Soffer
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. Marti D. Soffer's NPI number?
Dr. Marti D. Soffer's NPI number is 1659758563. It was assigned on April 29, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Marti D. Soffer?
Dr. Marti D. Soffer is a maternal-fetal medicine specialist in Boston, Massachusetts. The primary specialty in the NPI Registry is Maternal & Fetal Medicine Physician (taxonomy code 207VM0101X).
Where does Dr. Marti D. Soffer practice?
Dr. Soffer practices at 55 Fruit Street, Boston, MA 02114. Dr. Soffer's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Soffer to 3 group practices and clinics, 3 medical groups and 1 community health center.
What is Dr. Marti D. Soffer's office phone number?
The practice phone on file for Dr. Soffer is (617) 726-2000.
What is Dr. Marti D. Soffer's medical license number?
Dr. Soffer holds Massachusetts license 277923.
Which hospitals is Dr. Marti D. Soffer affiliated with?
Dr. Soffer practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Marti D. Soffer part of?
Dr. Soffer is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Soffer to 3 more medical groups.
Does Dr. Marti D. Soffer accept Medicare?
Yes. CMS lists Dr. Soffer as accepting Medicare assignment.
Where did Dr. Marti D. Soffer go to medical school?
Dr. Soffer graduated from Icahn School of Medicine at Mount Sinai in 2015.
Has Dr. Marti D. Soffer received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to Dr. Soffer from 1 company from 2024 to 2024. The largest total came from Biogen, Inc.
How long has Dr. Marti D. Soffer been practicing?
Dr. Soffer graduated from medical school in 2015, 11 years ago.
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