Katarzyna Jolanta Gilek-Seibert, MD
Internal Medicine Physician · Providence, RI
Katarzyna Jolanta Gilek-Seibert, MD is an internal medicine physician with a practice address in Providence, Rhode Island, and NPI 1972651677, issued on Jan 8, 2007. Check the license (Rhode Island MD14755, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Katarzyna Jolanta Gilek-Seibert
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD14755 RI
Self-reported in NPPES; status is on the state search - Practice location
- 50 Maude St, Providence, RI 02908
- Phone
- (401) 456-2699
- Enumerated
- Jan 8, 2007
- Record last updated
- Aug 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (401) 456-2684
- Medicaid ID
- 1302868 MA
- Medicare enrollment
- Enrolled (PECOS I20141016000606); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 50 Maude St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janet Berard, N.P.Nurse Practitioner1912939596
- Olivia Birchall, PA-CPhysician Assistant1194396242
- Charlene Botelho, COTA/LOccupational Therapy Assistant1568707735
Verify Katarzyna Jolanta Gilek-Seibert 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 MD14755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,638 Medicare Part D claims for 189 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 209 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate211 claims
- Prednisone169 claims
- Tramadol Hcl151 claims
- Methotrexate137 claims
- Allopurinol66 claims
- Leflunomide66 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: $36,313.52
138 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Prospect Chartercare Physicians LLCEast Providence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katarzyna Jolanta Gilek-Seibert among 1,033 internal medicine physician records in Rhode Island
Katarzyna Jolanta Gilek-Seibert, MD is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 57% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2001 · median 2006 among the 590 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
511 internal medicine physician records list a practice address in Providence
They are 511 of the 9,647 NPPES records with a practice address in Providence, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Providence → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeffrey Austerlitz, M.D.Providence, RI 029081356363527
- Dawna Blake, M.D.Providence, RI 029081548285489
- Gwyneth Granton, MDProvidence, RI 029081336132935
- Guang Hu, M.D.Providence, RI 029081598783524
- Laura Magan, MDProvidence, RI 029081962441543
- Thomas O'Toole, M.D.Providence, RI 029081790705739
- Lorna RussellProvidence, RI 029081134140866
- Parviz Shavandy, M.D.Providence, RI 029081841247889
Common questions
What is Katarzyna Jolanta Gilek-Seibert, MD's NPI number?
Katarzyna Jolanta Gilek-Seibert, MD's National Provider Identifier (NPI) is 1972651677, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katarzyna Jolanta Gilek-Seibert, MD located?
The NPPES record lists a practice address at 50 Maude St, Providence, RI, 02908. Phone: (401) 456-2699. Providers update this record themselves, so call before visiting.
How can I verify Katarzyna Jolanta Gilek-Seibert, MD's license?
NPPES lists Rhode Island license number MD14755, 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 Katarzyna Jolanta Gilek-Seibert, MD prescribe under Medicare Part D?
In 2024, Katarzyna Jolanta Gilek-Seibert, MD had 1,638 Medicare Part D claims for 189 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.