Dr. Marshall Forstein, MD
- Part D claims, 2024
- 33
- Publications
- 12
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1493 Cambridge St, Cambridge, MA 02139-1047
- Practice phone
- Call (617) 665-1189
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Forstein'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. Marshall Forstein is a psychiatrist in Cambridge, Massachusetts
Dr. Forstein practices in Cambridge, Massachusetts.
Dr. Forstein's NPI, 1063555423, was assigned on February 15, 2007. Dr. Forstein holds Massachusetts license 49162.
- NPI
- 1063555423NPI Registry (opens in a new tab)
- NPI enumeration date
- February 15, 2007
- NPI status
- Active
- Practice phone
- (617) 665-1189
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Marshall Forstein's practice address is in Cambridge, Massachusetts
Dr. Forstein's practice address in the NPI Registry is 1493 Cambridge St, Cambridge, MA 02139-1047. The practice phone is (617) 665-1189.
- NPI Registry address1493 Cambridge St, Cambridge, MA 02139-1047Phone(617) 665-1189
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Marshall Forstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Forstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Forstein's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marshall Forstein is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Forstein's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Forstein is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Forstein
Counts of psychiatrists 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. Marshall Forstein wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Forstein wrote 33 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $2,877 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.
Dr. Forstein's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 322024: 2425%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Marshall Forstein has 12 publications on record
Dmand AI links 12 papers to Dr. Forstein, published from 2014 to 2022. 2014 was the busiest year, with 2. The most frequent topics are Internship and Residency, Psychiatry and Curriculum. Dr. Forstein has published most often in Acad Psychiatry. Dr. Forstein's most frequent co-authors are Deborah Suzanne Cowley, Robert Joseph, MD and Cynthia J. Telingator, MD.
Dr. Forstein's papers by year, 2014 to 2022
Topics Dr. Forstein writes about most
- Internship and Residency
- Psychiatry
- Curriculum
- HIV Infections
- Sexual and Gender Minorities
Dr. Forstein's most frequent co-authors
- Deborah Suzanne Cowley4 shared papers
- Robert Joseph, MD2 shared papers
- Cynthia J. Telingator, MD2 shared papers
Recent publications by Dr. Forstein
Am J Prev Med
Acad Psychiatry
See who Dr. Forstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Forstein works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Marshall Forstein'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 Practice Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 |
| 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. Marshall Forstein
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. Marshall Forstein's NPI number?
Dr. Marshall Forstein's NPI number is 1063555423. It was assigned on February 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Marshall Forstein?
Dr. Marshall Forstein is a psychiatrist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Marshall Forstein practice?
Dr. Forstein practices at 1493 Cambridge St, Cambridge, MA 02139-1047.
What is Dr. Marshall Forstein's office phone number?
The practice phone on file for Dr. Forstein is (617) 665-1189.
What is Dr. Marshall Forstein's medical license number?
Dr. Forstein holds Massachusetts license 49162.
What drugs does Dr. Marshall Forstein prescribe most?
In 2024 Medicare Part D data, Dr. Forstein's most prescribed drugs by claims were Clonazepam and Methylphenidate ER.
How long has Dr. Marshall Forstein been practicing?
Dr. Forstein's NPI was assigned in 2007.
Does Dr. Marshall Forstein do research?
Dmand AI links 12 publications to Dr. Forstein, published from 2014 to 2022.
Who does Dr. Marshall Forstein publish with?
Dr. Forstein's most frequent co-authors are Deborah Suzanne Cowley (4 shared papers), Robert Joseph, MD (2 shared papers) and Cynthia J. Telingator, MD (2 shared papers).
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