Otolaryngol Head Neck Surg
Audiometry, Pure-ToneDepressionDepressive Disorder, Major
Dr. Katharine Brewster, MD
NPI1144616210
- Part D claims, 2024
- 620
- Publications
- 19
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 240 Meeting House Ln, Southampton, NY 11968
- Practice phone
- Call (631) 726-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southampton Hospital
Southampton, New York
Find Dr. Brewster's professional email, personal email and mobile number
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Dr. Katharine Brewster is a psychiatrist in Southampton, New York
Dr. Brewster practices at Southampton Hospital in Southampton, New York.
Dr. Brewster's NPI, 1144616210, was assigned on April 15, 2015. Dr. Brewster graduated from Columbia University College of Physicians and Surgeons in 2015. Dr. Brewster holds New York license 285527.
NPI and contact details
- NPI
- 1144616210NPI Registry (opens in a new tab)
- NPI enumeration date
- April 15, 2015
- NPI status
- Active
- Practice phone
- (631) 726-8200
- 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; and Dmand AI Practice Data
Dr. Katharine Brewster practices at Southampton Hospital in Southampton, New York
Dr. Brewster's primary practice is Southampton Hospital, at 240 Meeting House Ln, Southampton, NY 11968 in Suffolk County. The practice phone is (631) 726-8200.
- Southampton Hospital240 Meeting House Ln, Southampton, NY 11968 · Suffolk CountyPhone(631) 726-8200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katharine Brewster is affiliated with 1 site of care and 1 medical group
Dr. Brewster's primary practice is Southampton Hospital in Southampton, New York. The medical group on file is ColumbiaDoctors.
Southampton HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katharine Brewster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brewster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southampton Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katharine Brewster is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Brewster's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Brewster is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Dr. Brewster
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
4,448psychiatrists in New York
9psychiatrists in Southampton
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Katharine Brewster's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Brewster's median patient age at 62, with 100% women.
Dr. Brewster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Katharine Brewster wrote 620 Medicare Part D claims in 2024
In 2024, Dr. Brewster wrote 620 Medicare Part D claims for 52 patients. 93% of them were for generic drugs. CMS names the drug for 517 of them, across 16 drugs with 11 or more claims each, at $18,234 in total drug cost. In 2023, CMS named 167 claims across 8 drugs.
Part D claims, 2024620
Drugs named by CMS16
Total drug cost$18,234
Part D patients52
Dr. Brewster's Part D claims by kind of drug, 2024
- Generic579 claims93%
- Brand-name41 claims7%
Dr. Brewster'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: 1672024: 517210%
Drugs named by CMS: 16 in 2024, 8 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. Katharine Brewster has 19 publications on record
Dmand AI links 19 papers to Dr. Brewster, published from 2017 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Hearing Loss, Depression and Cognitive Dysfunction. Dr. Brewster has published most often in Am J Geriatr Psychiatry. Dr. Brewster's most frequent co-authors are Bret R. Rutherford, MD, Justin Golub, MD and Steven Paul Roose, MD.
Papers19
Years published2017 to 2025
Dr. Brewster's papers by year, 2017 to 2025
Topics Dr. Brewster writes about most
- Hearing Loss
- Depression
- Cognitive Dysfunction
- Depressive Disorder, Major
- Hearing Aids
- Audiometry, Pure-Tone
- Cognition
- Dementia
Dr. Brewster's most frequent co-authors
- Bret R. Rutherford, MD13 shared papers
- Justin Golub, MD11 shared papers
- Steven Paul Roose, MD7 shared papers
Recent publications by Dr. Brewster
Expert Rev Neurother
CognitionCognitive DysfunctionDementia
Am J Geriatr Psychiatry
DepressionDepressive Disorder, MajorDiffusion Tensor Imaging
See who Dr. Brewster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Brewster works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katharine Brewster graduated from Columbia University College of Physicians and Surgeons
Dr. Brewster graduated from Columbia University College of Physicians and Surgeons in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katharine Brewster'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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)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 |
| 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. Katharine Brewster
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. Katharine Brewster's NPI number?
Dr. Katharine Brewster's NPI number is 1144616210. It was assigned on April 15, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Katharine Brewster?
Dr. Katharine Brewster is a psychiatrist in Southampton, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Katharine Brewster practice?
Dr. Brewster practices at 240 Meeting House Ln, Southampton, NY 11968. Dr. Brewster's primary practice is Southampton Hospital in Southampton, New York.
What is Dr. Katharine Brewster's office phone number?
The practice phone on file for Dr. Brewster is (631) 726-8200.
What is Dr. Katharine Brewster's medical license number?
Dr. Brewster holds New York license 285527.
What medical group is Dr. Katharine Brewster part of?
Dr. Brewster is linked to ColumbiaDoctors.
Where did Dr. Katharine Brewster go to medical school?
Dr. Brewster graduated from Columbia University College of Physicians and Surgeons in 2015.
What drugs does Dr. Katharine Brewster prescribe most?
In 2024 Medicare Part D data, Dr. Brewster's most prescribed drugs by claims were Trazodone HCl, Duloxetine HCl and Clonazepam.
How long has Dr. Katharine Brewster been practicing?
Dr. Brewster graduated from medical school in 2015, 11 years ago.
Does Dr. Katharine Brewster do research?
Dmand AI links 19 publications to Dr. Brewster, published from 2017 to 2025.
Who does Dr. Katharine Brewster publish with?
Dr. Brewster's most frequent co-authors are Bret R. Rutherford, MD (13 shared papers), Justin Golub, MD (11 shared papers) and Steven Paul Roose, MD (7 shared papers).
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