Registry data as of Aug 27, 2026

Kristen Tillquist, DO

Nephrology Physician · Riverside, RI

Kristen Tillquist, DO is a nephrology physician with a practice address in Riverside, Rhode Island, and NPI 1033774559, issued on May 9, 2019. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1033774559
Name
Kristen Tillquist
Credential
DO
Primary taxonomy
Nephrology Physician 207RN0300X
Practice location
375 Wampanoag Trl, Riverside, RI 02915
Phone
(401) 649-4060
Enumerated
May 9, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 375 Wampanoag Trl

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. J Gary Abuelo, MDNephrology Physician1396797551
  2. Yasin Abul, M.DInternal Medicine Physician1235517889
  3. Mary Angeli AguinaldoInternal Medicine Physician1174046916
  4. Jesus Aguirre, MDInternal Medicine Physician1831778851
  5. Hina Ali, MDInternal Medicine Physician1346437878
  6. Seema Amin, M.D.Critical Care Medicine (Internal Medicine) Physician1477890754

Verify Kristen Tillquist in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and DisciplineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Rhode Island license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

91% fewer Medicare Part D claims than the average nephrology physician in 2024

133 Medicare Part D claims for 49 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Kristen Tillquist133
  2. Specialty average1,511

Most prescribed

  1. Prosol12 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.

Industry payments in 2024: $54.49

1 payment, mostly food and beverage; the largest payer was Calliditas Therapeutics US Inc.. The 6,365 providers of this specialty with any payment received $3,068.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kristen Tillquist$54.49
  2. Specialty average$3,068.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Brown MedicineWarwick, RI
  2. Lifespan Physician Group IncRiverside, RI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

9 nephrology physician records list a Riverside practice address

They are 9 of the 586 NPPES records with a Riverside practice address, and 35 nephrology physician records in Rhode Island.

Other nephrology physician records in Rhode Island

  1. J Gary Abuelo, MDRiverside, RI1396797551
  2. Rasha Alawieh, MDProvidence, RI1740776962
  3. Maroun Azar, M.D.Warwick, RI1790975191
  4. Keith Bartolomei, M.D.Providence, RI1568667434
  5. George Bayliss, M.D.Riverside, RI1982892824
  6. Nelson Chu, MDWarwick, RI1710969027
  7. Andrew Cohen, MDProvidence, RI1639108384
  8. Christopher Cosgrove, MDEast Providence, RI1558344085
  9. Katherine Davoren, MDProvidence, RI1356610406
  10. Daniel Dragomire, M.D.East Providence, RI1134192206

Common questions

What is Kristen Tillquist, DO's NPI number?

Kristen Tillquist, DO's National Provider Identifier (NPI) is 1033774559, issued on May 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Tillquist, DO located?

The NPPES record lists a practice address at 375 Wampanoag Trl, Riverside, RI, 02915. Phone: (401) 649-4060. Providers update this record themselves, so call before visiting.

How can I verify Kristen Tillquist, DO's license?

Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kristen Tillquist, DO prescribe under Medicare Part D?

In 2024, Kristen Tillquist, DO had 133 Medicare Part D claims for 49 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.