Peritoneal DialysisPeritoneal Dialysis, Continuous Ambulatory
Dr. Kristen Tillquist, DO
NPI1033774559PAC ID4183951304
- Medicare services, 2024
- 90
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 133
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 250 Centerville Rd, Warwick, RI 02886
- Practice phone
- Call (401) 861-8830
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Brown Medicine
Warwick, Rhode Island
Find Dr. Tillquist's professional email, personal email and mobile number
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Dr. Kristen Tillquist is a nephrologist in Warwick, Rhode Island
Dr. Tillquist practices at Brown Medicine in Warwick, Rhode Island.
Dr. Tillquist's NPI, 1033774559, was assigned on May 9, 2019. Dr. Tillquist graduated from West Virginia School of Osteopathic Medicine in 2019. Dr. Tillquist holds Rhode Island license DO01349.
NPI and contact details
- NPI
- 1033774559NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183951304
- NPI enumeration date
- May 9, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (401) 861-8830
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kristen Tillquist practices at Brown Medicine in Warwick, Rhode Island
Dr. Tillquist's primary practice is Brown Medicine, at 250 Centerville Rd, Warwick, RI 02886 in Kent County. The practice phone is (401) 861-8830.
- Brown Medicine250 Centerville Rd, Warwick, RI 02886 · Kent CountyPhone(401) 861-8830
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kristen Tillquist is affiliated with 8 sites of care and 2 medical groups
Dr. Tillquist's primary practice is Brown Medicine in Warwick, Rhode Island. Dr. Tillquist is also affiliated with Kent Hospital. The medical group on file is Brown Medicine. Dmand AI also links Dr. Tillquist to 2 more hospitals, 2 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.
Brown MedicinePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kristen Tillquist's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tillquist practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brown Medicine | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kristen Tillquist is one of 39 nephrologists in Rhode Island
Nephrology is Dr. Tillquist's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Tillquist is licensed in Rhode Island.
Specialties and state licenses
- Nephrology, Rhode IslandPrimary
Nephrologists near Dr. Tillquist
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
39nephrologists in Rhode Island
4nephrologists in Warwick
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kristen Tillquist billed Medicare for 90 services in 2024
CMS data shows 90 Medicare services from Dr. Tillquist across 4 procedure codes in 2024, for 70 Medicare patients. Medicare paid $11,188 for them.
Medicare services, 202490
Medicare patients70
Paid by Medicare$11,188
Procedure codes4
Dr. Tillquist's Medicare services by type, 2024
- Office and hospital visits68
- Tests and treatments22
Where Dr. Tillquist's Medicare services took place, 2024
- In an office5258%
- In a facility3842%
Dr. Tillquist compared with the Rhode Island median for nephrologists, 2024
- Dr. Tillquist
- Rhode Island median
- Medicare services
- 90vs 57084% below
- Medicare patients
- 70vs 24772% below
- Part D claims
- 12vs 60598% below
Medians across 42 nephrologists in Rhode Island with Dmand AI profiles that report each measure.
Dr. Tillquist'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.
Need commercial claims for Dr. Tillquist?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tillquist and other nephrologists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kristen Tillquist treated 70 Medicare patients in 2024, average age 74
CMS counts 70 Medicare patients who saw Dr. Tillquist in 2024. The largest group is 75 to 84, with 22 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 4.11, 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. Tillquist's median patient age at 72, with 51% women.
Medicare patients, 202470
Average age74
Average risk score4.11
Also on Medicaid20%
Dr. Tillquist's Medicare patients by age, 2024
Dr. Tillquist's Medicare patients by sex, 2024
- Women3043%
- Men4057%
Chronic conditions among Dr. Tillquist's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Arthritis51%
- Ischemic heart disease47%
- Heart failure40%
- Atrial fibrillation39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tillquist's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kristen Tillquist wrote 133 Medicare Part D claims in 2024
In 2024, Dr. Tillquist wrote 133 Medicare Part D claims for 49 patients. 78% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,883 in total drug cost.
Part D claims, 2024133
Drugs named by CMS1
Total drug cost$2,883
Part D patients49
Dr. Tillquist's Part D claims by kind of drug, 2024
- Generic104 claims78%
- Brand-name29 claims22%
Dr. Tillquist'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.
Drug classes CMS tracks in Dr. Tillquist's Part D claims, 2024
- Antibiotics8%11 of 133 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Dr. Kristen Tillquist takes part in Medicare
Dr. Tillquist 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)
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Dr. Kristen Tillquist has 1 publication on record
Dmand AI links 1 paper to Dr. Tillquist in 2022.
Papers1
Recent publications by Dr. Tillquist
See who Dr. Tillquist researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tillquist works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kristen Tillquist received $2,470 in industry payments from 2020 to 2025
CMS Open Payments shows 21 general payments to Dr. Tillquist from 10 drug and device companies from 2020 to 2025. Consulting fees make up the largest share, 55% of the total. Calliditas Therapeutics US Inc. paid the most, $1,613.
General payments to Dr. Tillquist by program year, 2020 to 2025
General payments to Dr. Tillquist by kind, 2020 to 2025
$2.5Kin total
- Consulting fees$1,35055%
- Food and beverage$1,11045%
- Education$100%
Companies that paid Dr. Tillquist the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kristen Tillquist graduated from West Virginia School of Osteopathic Medicine
Dr. Tillquist graduated from West Virginia School of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kristen Tillquist'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Kristen Tillquist
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. Kristen Tillquist's NPI number?
Dr. Kristen Tillquist's NPI number is 1033774559. It was assigned on May 9, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Kristen Tillquist?
Dr. Kristen Tillquist is a nephrologist in Warwick, Rhode Island. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Kristen Tillquist practice?
Dr. Tillquist practices at 250 Centerville Rd, Warwick, RI 02886. Dr. Tillquist's primary practice is Brown Medicine in Warwick, Rhode Island. Dmand AI also links Dr. Tillquist to 2 hospitals, 2 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Kristen Tillquist's office phone number?
The practice phone on file for Dr. Tillquist is (401) 861-8830.
What is Dr. Kristen Tillquist's medical license number?
Dr. Tillquist holds Rhode Island license DO01349.
Which hospitals is Dr. Kristen Tillquist affiliated with?
Dr. Tillquist is affiliated with Kent Hospital. Dmand AI links Dr. Tillquist to 2 more hospitals.
What medical group is Dr. Kristen Tillquist part of?
Dr. Tillquist is linked to Brown Medicine. Dmand AI links Dr. Tillquist to 1 more medical group.
Does Dr. Kristen Tillquist accept Medicare?
Yes. CMS data shows Dr. Tillquist billed Medicare for 90 services in 2024, and Dr. Tillquist accepts Medicare assignment.
How many Medicare patients does Dr. Kristen Tillquist see?
CMS counts 70 Medicare patients who saw Dr. Tillquist in 2024, with an average age of 74.
What services does Dr. Kristen Tillquist bill to Medicare?
In 2024, Dr. Tillquist's most billed Medicare services were hospital inpatient care (99232), dialysis (90960) and office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. Kristen Tillquist go to medical school?
Dr. Tillquist graduated from West Virginia School of Osteopathic Medicine in 2019.
What drugs does Dr. Kristen Tillquist prescribe most?
In 2024 Medicare Part D data, Dr. Tillquist's most prescribed drugs by claims were Prosol.
Has Dr. Kristen Tillquist received payments from drug or device companies?
CMS Open Payments shows $2,470 in general payments to Dr. Tillquist from 10 companies from 2020 to 2025. The largest total came from Calliditas Therapeutics US Inc.
How long has Dr. Kristen Tillquist been practicing?
Dr. Tillquist graduated from medical school in 2019, 7 years ago.
Does Dr. Kristen Tillquist do research?
Dmand AI links 1 publication to Dr. Tillquist.
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