Katherine Lazet, DO
Family Medicine Physician · Saint Louis, MO
Katherine Lazet, DO is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1033591789, issued on Jun 18, 2015. Check the license (Missouri 2023040087, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Katherine Lazet
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2023040087 MO
036.161926 IL
02005302A IN
05214 KY
5101021889 MI
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 1 Jefferson Barracks RD, Saint Louis, MO 63125
- Phone
- (314) 894-6505
- Enumerated
- Jun 18, 2015
- Record last updated
- Mar 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20220929002111); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 1 Jefferson Barracks RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Barzak, MSWClinical Social Worker1598771198
- Gregg Bassett, M.D.Psychiatry Physician1235249707
- Jennifer Battles, PH.D.Clinical Psychologist1245974682
- Matthew Becker, DPTPhysical Therapist1538486519
- Justin Bennett, LCSWClinical Social Worker1366949364
- Kailyn Blackmon, PSYDClinical Psychologist1447014774
Verify Katherine Lazet in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2023040087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
690 Medicare Part D claims for 377 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Cephalexin59 claims
- Doxycycline Hyclate53 claims
- Amoxicillin-Clavulanate Potass47 claims
- Prednisone47 claims
- Amoxicillin44 claims
- Methylprednisolone38 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 59.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Vituity - Illinois Auc LLPO Fallon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Lazet among 2,991 family medicine physician records in Missouri
Katherine Lazet, DO 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2006 among the 1,778 with a school on file
- Record last updated2026 · 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
- Lindsay ArnettSaint Louis, MO 631251538546288
- David Campbell, M.D.Saint Louis, MO 631251801872254
- Babu Dandamudi, MDSaint Louis, MO 631251386645430
- Andrew Davis, MDSaint Louis, MO 631251184153140
- Hudda Hantush, MDSaint Louis, MO 631251780646059
- Felix Herrera, MDSt Louis, MO 631251699869461
- Lubbna Johar, M.D.Saint Louis, MO 631251578761706
- Kevin Lickenbrock, M.D.Saint Louis, MO 631251174643845
Common questions
What is Katherine Lazet, DO's NPI number?
Katherine Lazet, DO's National Provider Identifier (NPI) is 1033591789, issued on Jun 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Lazet, DO located?
The NPPES record lists a practice address at 1 Jefferson Barracks RD, Saint Louis, MO, 63125. Phone: (314) 894-6505. Providers update this record themselves, so call before visiting.
How can I verify Katherine Lazet, DO's license?
NPPES lists Missouri license number 2023040087, 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 Katherine Lazet, DO prescribe under Medicare Part D?
In 2024, Katherine Lazet, DO had 690 Medicare Part D claims for 377 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Katherine Lazet, DO's MIPS final score?
The 2023 MIPS final score is 59.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.