Katharina Rosalinde De Klerk, DO
Family Medicine Physician · Woonsocket, RI
Katharina Rosalinde De Klerk, DO is a family medicine physician with a practice address in Woonsocket, Rhode Island, and NPI 1700349495, issued on Apr 9, 2019. Check the license (Rhode Island DO01153, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Katharina Rosalinde De Klerk
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DO01153 RI
LP04632 RI
Self-reported in NPPES; status is on the state search - Practice location
- 450 Clinton St, Woonsocket, RI 02895
- Phone
- (401) 767-4100
- Enumerated
- Apr 9, 2019
- Record last updated
- Jun 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20220909002875); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 475 in Rhode Island → Look up another NPI →
Also registered at 450 Clinton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saman Ali, M.D.Internal Medicine Physician1730414863
- Amanda Anacleto, APRN CNP FNPFamily Nurse Practitioner1629846860
- Roberto Baca, DNP, ARNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1669808473
- Kristen Bates, FNPFamily Nurse Practitioner1942974076
Verify Katharina Rosalinde De Klerk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license DO01153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average family medicine physician in 2024
1,720 Medicare Part D claims for 101 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium154 claims
- Metformin Hcl68 claims
- Omeprazole60 claims
- Gabapentin59 claims
- Lisinopril57 claims
- Albuterol Sulfate Hfa51 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.
Bills Medicare through one group practice
- Thundermist Health CenterWoonsocket, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharina Rosalinde De Klerk among 475 family medicine physician records in Rhode Island
Katharina Rosalinde De Klerk, DO is one of 475 family medicine physician records with a practice address in Rhode Island. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 73% of them.
- NPI issued2019 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2008 among the 282 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 family medicine physician records list a practice address in Woonsocket
They are 29 of the 1,112 NPPES records with a practice address in Woonsocket, and 475 family medicine physician records in Rhode Island.
All 475 in Rhode Island → Every provider in Woonsocket → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Olphabine Athouriste, D.O.Woonsocket, RI 028951326283532
- Linda Berman, M.D.Woonsocket, RI 028951275591661
- Jodit Beyene, DNPWoonsocket, RI 028951073891305
- Shaunna Escobar, M.D.Woonsocket, RI 028951912388760
- Stephen Falkenberry, MDWoonsocket, RI 028951346312717
- Jessica Johnson, MD, MPHWoonsocket, RI 028951679831937
- Pervez Khatib, MDWoonsocket, RI 028951881687481
- Matthew Malek, M.DWoonsocket, RI 028951023307162
Common questions
What is Katharina Rosalinde De Klerk, DO's NPI number?
Katharina Rosalinde De Klerk, DO's National Provider Identifier (NPI) is 1700349495, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Katharina Rosalinde De Klerk, DO located?
The NPPES record lists a practice address at 450 Clinton St, Woonsocket, RI, 02895. Phone: (401) 767-4100. Providers update this record themselves, so call before visiting.
How can I verify Katharina Rosalinde De Klerk, DO's license?
NPPES lists Rhode Island license number DO01153, as entered by the provider. 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 Katharina Rosalinde De Klerk, DO prescribe under Medicare Part D?
In 2024, Katharina Rosalinde De Klerk, DO had 1,720 Medicare Part D claims for 101 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.