Katharine Brewster, MD
Psychiatry Physician · New York, NY
Katharine Brewster, MD is a psychiatry physician with a practice address in New York, New York, and NPI 1144616210, issued on Apr 15, 2015. Check the license (New York 285527, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Katharine Brewster
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 285527 NY
Self-reported in NPPES; status is on the state search - Practice location
- 70 Lasalle Street, New York, NY 10027
- Phone
- (917) 742-1302
- Enumerated
- Apr 15, 2015
- Record last updated
- Jun 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 70 Lasalle Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Celeste GordonSpecialist1932462322
Verify Katharine Brewster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 285527Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average psychiatry physician in 2024
620 Medicare Part D claims for 52 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Trazodone Hcl66 claims
- Duloxetine Hcl55 claims
- Clonazepam54 claims
- Sertraline Hcl51 claims
- Escitalopram Oxalate44 claims
- Mirtazapine43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Katharine Brewster among 6,589 psychiatry physician records in New York
Katharine Brewster, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jacob Appel, MDNew York, NY 100271174765762
- Edward Bartlett, M.D.New York, NY 100271750515987
- Stephen Botek, M.D.New York, NY 100271568670461
- Anthony CarinoNew York, NY 100271457513392
- Carol Garfein, MDNew York, NY 100271831272202
- Walker Keenan, MDNew York, NY 100271841797313
- Faisal Khan, MDNew York, NY 100271710391552
- Claudia Nelson, M.D. M.P.H.New York, NY 100271932242930
Common questions
What is Katharine Brewster, MD's NPI number?
Katharine Brewster, MD's National Provider Identifier (NPI) is 1144616210, issued on Apr 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Brewster, MD located?
The NPPES record lists a practice address at 70 Lasalle Street, New York, NY, 10027. Phone: (917) 742-1302. Providers update this record themselves, so call before visiting.
How can I verify Katharine Brewster, MD's license?
NPPES lists New York license number 285527, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katharine Brewster, MD prescribe under Medicare Part D?
In 2024, Katharine Brewster, MD had 620 Medicare Part D claims for 52 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Katharine Brewster, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.