Dr. Ursula Constant Brewster, MD

  • New Haven, CT
  • Nephrologist
NPI1952385718PAC ID6406829118
Medicare services, 2024
316
Medicare patients, 2024
103
Part D claims, 2024
86
Publications
24
MIPS score, 2024
87
Practice address
50 Division St, New Haven, CT 06511
Practice phone
Call (203) 785-2140
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Yale Medicine

New Haven, Connecticut

See all 5 affiliations

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Dr. Ursula Constant Brewster is a nephrologist in New Haven, Connecticut

Dr. Brewster practices at Yale Medicine in New Haven, Connecticut.

Dr. Brewster's NPI, 1952385718, was assigned on December 5, 2005. Dr. Brewster graduated from Geisel School Of Medicine At Dartmouth in 1998. Dr. Brewster holds Connecticut license 039446.

NPI and contact details
Medicare PAC ID
6406829118
NPI enumeration date
December 5, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(203) 785-2140
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ursula Constant Brewster practices at Yale Medicine in New Haven, Connecticut

Dr. Brewster's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.

  • Yale Medicine
    50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ursula Constant Brewster is affiliated with 4 sites of care and 1 medical group

Dr. Brewster's primary practice is Yale Medicine in New Haven, Connecticut. Dr. Brewster is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Brewster to 1 more dialysis center and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Brewster

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ursula Constant Brewster's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brewster practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Yale MedicineAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Ursula Constant Brewster is one of 141 nephrologists in Connecticut

Nephrology is Dr. Brewster's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Brewster is licensed in Connecticut.

Specialties and state licenses

  • Nephrology, ConnecticutPrimaryLicense 039446 · taxonomy 207RN0300X

Nephrologists near Dr. Brewster

Counts of nephrologists 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. Ursula Constant Brewster billed Medicare for 316 services in 2024

CMS data shows 316 Medicare services from Dr. Brewster across 4 procedure codes in 2024, for 103 Medicare patients. Medicare paid $20,889 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024316
Medicare patients103
Paid by Medicare$20,889
Procedure codes4

Dr. Brewster's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3682024: 27525%
Tests and treatments
2023: 512024: 4120%

Dr. Brewster compared with the Connecticut median for nephrologists, 2024

  • Dr. Brewster
  • Connecticut median
Medicare services
316vs 73257% below
Medicare patients
103vs 26161% below
Part D claims
12vs 60098% below

Medians across 137 nephrologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Brewster's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Brewster

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ursula Constant Brewster treated 103 Medicare patients in 2024, average age 67

CMS counts 103 Medicare patients who saw Dr. Brewster in 2024. The largest group is under 65, with 34 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 54% are also on Medicaid. Their average risk score is 6.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Brewster's median patient age at 66, with 59% women.

Medicare patients, 2024103
Average age67
Average risk score6.12
Also on Medicaid54%

Dr. Brewster's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Brewster's Medicare patients by sex, 2024

  • Women5049%
  • Men5351%

Chronic conditions among Dr. Brewster's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Heart failure62%
  5. Arthritis56%
  6. Ischemic heart disease53%
  7. Diabetes50%
  8. Mood disorders50%

Share of Medicare patients with each condition. A patient can have several.

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 66

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ursula Constant Brewster wrote 86 Medicare Part D claims in 2024

In 2024, Dr. Brewster wrote 86 Medicare Part D claims for 18 patients. 92% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $223 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Part D claims, 202486
Drugs named by CMS1
Total drug cost$223
Part D patients18

Dr. Brewster's Part D claims by kind of drug, 2024

  • Generic79 claims92%
  • Brand-name and other7 claims8%

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: 132024: 128%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Brewster

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

Dr. Ursula Constant Brewster scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Brewster for performance year 2024, reported as part of a group. Dr. Brewster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Brewster as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Brewster's MIPS scores, performance year 2024

  • 87of 100Final score
  • 77.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Ursula Constant Brewster has 24 publications on record

Dmand AI links 24 papers to Dr. Brewster, published from 2011 to 2024. 2021 was the busiest year, with 3. The most frequent topics are Acute Kidney Injury, Kidney Failure, Chronic and Nephrology. Dr. Brewster has published most often in Kidney360. Dr. Brewster's most frequent co-authors are Randy Luciano, MD, PhD, Abinet M. Aklilu, MD and Grace Yin Jenq, MD.

Papers24
Years published2011 to 2024

Dr. Brewster's papers by year, 2012 to 2024

Topics Dr. Brewster writes about most

  • Acute Kidney Injury
  • Kidney Failure, Chronic
  • Nephrology
  • Pregnancy Complications
  • Renal Dialysis
  • Glomerulonephritis
  • Kidney Diseases
  • Thrombosis

Dr. Brewster's most frequent co-authors

Recent publications by Dr. Brewster

See all 24 publications and co-authors

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 nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ursula Constant Brewster received $8 in industry payments from 2017 to 2024

CMS Open Payments shows 3 general payments to Dr. Brewster from 1 drug or device company from 2017 to 2024. Education make up the largest share, 100% of the total. Travere Therapeutics, Inc. paid the most, $8.

General payments to Dr. Brewster by program year, 2017 to 2024

Companies that paid Dr. Brewster the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Brewster

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ursula Constant Brewster graduated from Geisel School Of Medicine At Dartmouth

Dr. Brewster graduated from Geisel School Of Medicine At Dartmouth in 1998.

  1. Medical schoolGeisel School Of Medicine At Dartmouth

Source: Dmand AI Professional Profile Data

Sources for Dr. Ursula Constant Brewster's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ursula Constant 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. Ursula Constant Brewster's NPI number?

Dr. Ursula Constant Brewster's NPI number is 1952385718. It was assigned on December 5, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Ursula Constant Brewster?

Dr. Ursula Constant Brewster is a nephrologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Ursula Constant Brewster practice?

Dr. Brewster practices at 50 Division St, New Haven, CT 06511. Dr. Brewster's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Dr. Brewster to 1 dialysis center and 1 group practice or clinic.

What is Dr. Ursula Constant Brewster's office phone number?

The practice phone on file for Dr. Brewster is (203) 785-2140.

What is Dr. Ursula Constant Brewster's medical license number?

Dr. Brewster holds Connecticut license 039446.

Which hospitals is Dr. Ursula Constant Brewster affiliated with?

Dr. Brewster is affiliated with Yale New Haven Hospital.

What medical group is Dr. Ursula Constant Brewster part of?

Dr. Brewster is linked to Yale Health.

Does Dr. Ursula Constant Brewster accept Medicare?

Yes. CMS data shows Dr. Brewster billed Medicare for 316 services in 2024, and Dr. Brewster accepts Medicare assignment.

Does Dr. Ursula Constant Brewster offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Brewster as offering telehealth services.

What is Dr. Ursula Constant Brewster's MIPS score?

Dr. Brewster's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Ursula Constant Brewster see?

CMS counts 103 Medicare patients who saw Dr. Brewster in 2024, with an average age of 67.

What services does Dr. Ursula Constant Brewster bill to Medicare?

In 2024, Dr. Brewster's most billed Medicare services were hospital inpatient care (99232), dialysis (90935) and office visit, established patient (99214).

Where did Dr. Ursula Constant Brewster go to medical school?

Dr. Brewster graduated from Geisel School Of Medicine At Dartmouth in 1998.

What drugs does Dr. Ursula Constant Brewster prescribe most?

In 2024 Medicare Part D data, Dr. Brewster's most prescribed drugs by claims were Amlodipine Besylate.

Has Dr. Ursula Constant Brewster received payments from drug or device companies?

CMS Open Payments shows $8 in general payments to Dr. Brewster from 1 company from 2017 to 2024. The largest total came from Travere Therapeutics, Inc.

How long has Dr. Ursula Constant Brewster been practicing?

Dr. Brewster graduated from medical school in 1998, 28 years ago.

Does Dr. Ursula Constant Brewster do research?

Dmand AI links 24 publications to Dr. Brewster, published from 2011 to 2024.

Who does Dr. Ursula Constant Brewster publish with?

Dr. Brewster's most frequent co-authors are Randy Luciano, MD, PhD (3 shared papers), Abinet M. Aklilu, MD (2 shared papers) and Grace Yin Jenq, MD (2 shared papers).

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