NPPES file of Aug 9, 2026

Claire Jansson-Knodell, M.D.

Gastroenterology Physician · Cleveland, OH

Claire Jansson-Knodell, M.D. is a gastroenterology physician with a practice address in Cleveland, Ohio, and NPI 1417336694, issued on May 21, 2015. Check the license (Ohio 35.142324, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417336694
Name
Claire Jansson-Knodell
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
35.142324 OH
01080240A IN
60779 MN
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(216) 445-6641
Enumerated
May 21, 2015
Record last updated
Mar 9, 2023
Fax
(216) 445-3889
Medicare enrollment
Enrolled (PECOS I20210809003524); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →

Also registered at 9500 Euclid Ave

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

  1. Ksenia Aaron, M.D.Otolaryngology Physician1891176582
  2. Maher Abbas, MDColon & Rectal Surgery Physician1508937491
  3. Mohammad Abbasi, MDClinical Cardiac Electrophysiology Physician1346730603
  4. Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
  5. Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
  6. Walid Abboud, MDInternal Medicine Physician1245295559

Verify Claire Jansson-Knodell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.142324    Check 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 Ohio license search

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96% fewer Medicare Part D claims than the average gastroenterology physician in 2024

32 Medicare Part D claims for 23 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Claire Jansson-Knodell32
  2. Specialty average811

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: $122.40

2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Claire Jansson-Knodell$122.40
  2. Specialty average$5,015.95

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

One hospital affiliation

  1. Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Claire Jansson-Knodell among 741 gastroenterology physician records in Ohio

Claire Jansson-Knodell, M.D. is one of 741 gastroenterology physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.

  • NPI issued2015 · 83% of these records are older, 13% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2015 · median 2003 among the 540 with a school on file
  • Record last updated2023 · 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 207RG0100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Ohio

There are 741 gastroenterology physician records in Ohio.

All 741 in Ohio → Every provider in Cleveland → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Edgar Achkar, MDCleveland, OH 441951881659688
  2. Jean-Paul Achkar, M.D.Cleveland, OH 441951467417261
  3. David Barnes, M.D.Cleveland, OH 441951053376327
  4. Aaron Brzezinski, MDCleveland, OH 441951811952369
  5. Carol Burke, M.D.Cleveland, OH 441951588629554
  6. William Carey, MDCleveland, OH 441951033172879
  7. Gavin Harewood, M.D.Cleveland, OH 441951255317285
  8. Michelle Inkster, M.D.Cleveland, OH 441951992762124

Common questions

What is Claire Jansson-Knodell, M.D.'s NPI number?

Claire Jansson-Knodell, M.D.'s National Provider Identifier (NPI) is 1417336694, issued on May 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Claire Jansson-Knodell, M.D. located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 445-6641. Providers update this record themselves, so call before visiting.

How can I verify Claire Jansson-Knodell, M.D.'s license?

NPPES lists Ohio license number 35.142324, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Claire Jansson-Knodell, M.D. prescribe under Medicare Part D?

In 2024, Claire Jansson-Knodell, M.D. had 32 Medicare Part D claims for 23 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.