NPPES file of Aug 9, 2026

Thomas Patrick Kuciejczyk-Kernan, M.D.

Family Medicine Physician · Saint Louis, MO

Thomas Patrick Kuciejczyk-Kernan, M.D. is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1669478970, issued on Jun 22, 2005. Check the license (Missouri R6J90, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1669478970
Name
Thomas Patrick Kuciejczyk-Kernan
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
R6J90 MO
Self-reported in NPPES; status is on the state search
Practice location
3930 S Broadway, Saint Louis, MO 63118
Phone
(314) 898-1700
Enumerated
Jun 22, 2005
Record last updated
Sep 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(314) 814-8542
Medicaid ID
202710109 MO
Medicare enrollment
Enrolled (PECOS I20100907000365); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1989
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 family medicine physician records → All 2,991 in Missouri → Look up another NPI →

Also registered at 3930 S Broadway

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

  1. Barbara Allan, LCSWClinical Social Worker1679019046
  2. Kelcey Depass, FNPFamily Nurse Practitioner1437614823
  3. Abigail Grant, MDFamily Medicine Physician1427790823
  4. Rebekah Hassler, CNM, FNPAdvanced Practice Midwife1598853699
  5. Mary Keegan, M.D.Obstetrics & Gynecology Physician1164733515
  6. Angela Schiefelbein, FNP, BCFamily Nurse Practitioner1972692283

Verify Thomas Patrick Kuciejczyk-Kernan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R6J90    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 Missouri license search

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17% fewer Medicare Part D claims than the average family medicine physician in 2024

2,942 Medicare Part D claims for 192 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 75 claims were for opioids.

  1. Thomas Kuciejczyk-Kernan2,942
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate317 claims
  2. Atorvastatin Calcium218 claims
  3. Losartan Potassium153 claims
  4. Metformin Hcl109 claims
  5. Benazepril Hcl107 claims
  6. Lisinopril95 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

  1. Affinia HealthcareSaint Louis, MO

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

Thomas Patrick Kuciejczyk-Kernan among 2,991 family medicine physician records in Missouri

Thomas Patrick Kuciejczyk-Kernan, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1989 · median 2006 among the 1,778 with a school on file
  • Record last updated2016 · 53% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Missouri

There are 2,991 family medicine physician records in Missouri.

All 2,991 in Missouri → Every provider in Saint Louis → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Andrea Brown, DOSaint Louis, MO 631181548897499
  2. Josephine Glaser, M.D.Saint Louis, MO 631181407887979
  3. Devon Golding, MDSaint Louis, MO 631181942288006
  4. Abigail Grant, MDSaint Louis, MO 631181427790823
  5. Gurprakash Grewal, M.D.Saint Louis, MO 631181134343379
  6. Timothy Hutchison, M.D.Saint Louis, MO 631181881636702
  7. Jason Woody, DOSaint Louis, MO 631181295304103
  8. Gopy Arumugam, M.D.Saint Louis, MO 631171891059531

Common questions

What is Thomas Patrick Kuciejczyk-Kernan, M.D.'s NPI number?

Thomas Patrick Kuciejczyk-Kernan, M.D.'s National Provider Identifier (NPI) is 1669478970, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Patrick Kuciejczyk-Kernan, M.D. located?

The NPPES record lists a practice address at 3930 S Broadway, Saint Louis, MO, 63118. Phone: (314) 898-1700. Providers update this record themselves, so call before visiting.

How can I verify Thomas Patrick Kuciejczyk-Kernan, M.D.'s license?

NPPES lists Missouri license number R6J90, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Patrick Kuciejczyk-Kernan, M.D. prescribe under Medicare Part D?

In 2024, Thomas Patrick Kuciejczyk-Kernan, M.D. had 2,942 Medicare Part D claims for 192 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.

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.