NPPES file of Aug 9, 2026

Traci Sumer Knierim, NP

Family Medicine Physician · Mattoon, IL

Traci Sumer Knierim, NP is a family medicine physician with a practice address in Mattoon, Illinois, and NPI 1407630940, issued on Aug 24, 2023. Check the license (Illinois 209028007, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1407630940
Name
Traci Sumer Knierim
Credential
NP
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
209028007 IL
Self-reported in NPPES; status is on the state search
Practice location
420 Broadway Ave E, Mattoon, IL 61938
Phone
(217) 512-1370
Enumerated
Aug 24, 2023
Record last updated
Apr 6, 2026
Fax
(217) 775-0736
Medicare enrollment
Enrolled (PECOS I20231010004067); accepts Medicare assignment
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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Verify Traci Sumer Knierim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 209028007
    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 Illinois license search

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61% fewer Medicare Part D claims than the average family medicine physician in 2024

1,371 Medicare Part D claims for 232 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Traci Knierim1,371
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium107 claims
  2. Lisinopril75 claims
  3. Levothyroxine Sodium70 claims
  4. Amlodipine Besylate55 claims
  5. Losartan Potassium51 claims
  6. Omeprazole51 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: $127.84

7 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Traci Knierim$127.84
  2. Specialty average$902.55

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

  1. Two Roads Wellness Clinic, LLCDanville, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Traci Sumer Knierim among 6,215 family medicine physician records in Illinois

Traci Sumer Knierim, NP is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 91% of them.

  • NPI issued2023 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2023 · median 2006 among the 3,714 with a school on file
  • Record last updated2026 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 family medicine physician records list a practice address in Mattoon

They are 18 of the 803 NPPES records with a practice address in Mattoon, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jagan Mohan Bokka, M.DMattoon, IL 619381124274063
  2. Kristine Carpenter, M.D.Mattoon, IL 619381215198189
  3. Lucas Catt, MDMattoon, IL 619381912174970
  4. Gregory Deters, M.D.Mattoon, IL 619381497861702
  5. Matthew Dorner, M.D.Mattoon, IL 619381528176880
  6. Andrew Gage, M.D.Mattoon, IL 619381013931567
  7. Jeffrey Jenson, M.D.Mattoon, IL 619381740211390
  8. Marlene Kremer, M.D.Mattoon, IL 619381831205749

Common questions

What is Traci Sumer Knierim, NP's NPI number?

Traci Sumer Knierim, NP's National Provider Identifier (NPI) is 1407630940, issued on Aug 24, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Traci Sumer Knierim, NP located?

The NPPES record lists a practice address at 420 Broadway Ave E, Mattoon, IL, 61938. Phone: (217) 512-1370. Providers update this record themselves, so call before visiting.

How can I verify Traci Sumer Knierim, NP's license?

NPPES lists Illinois license number 209028007, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Traci Sumer Knierim, NP prescribe under Medicare Part D?

In 2024, Traci Sumer Knierim, NP had 1,371 Medicare Part D claims for 232 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.