Grace Niziolek, MD
Critical Care Medicine (Anesthesiology) Physician · Saint Louis, MO
Grace Niziolek, MD is a critical care medicine (anesthesiology) physician with a practice address in Saint Louis, Missouri, and NPI 1528486339, issued on Mar 31, 2014. Check the license (Missouri 2023027659, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Grace Niziolek
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Anesthesiology) Physician 207LC0200X
- License number
- 2023027659 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 362-5298
- Enumerated
- Mar 31, 2014
- Entity
- Type 1 · individual
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Niziolek 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 2023027659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 79.3 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).
Industry payments in 2024: $885.59
7 payments, mostly travel and lodging; the largest payer was Zimmer Biomet Holdings, Inc.. The 405 providers of this specialty with any payment received $2,256.48 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.
One hospital or facility affiliation
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Critical Care Medicine (Anesthesiology) Physician providers in Missouri
There are 65 critical care medicine (anesthesiology) physician records in Missouri.
Other critical care medicine (anesthesiology) physician records in Missouri
- Ahmad Abou Leila, MDColumbia, MO1861741126
- Oluwafunmilayo Adebayo-Adonis, MDSaint Louis, MO1437593613
- Amrita Aranake-Chrisinger, MDSaint Louis, MO1780025601
- Stephanie Armocida, MDSaint Louis, MO1679060461
- Jeffrey Bailey, MDSaint Louis, MO1881664472
- Jessica Barks, DOSaint Louis, MO1720252190
- Cody Barnes, MDSaint Louis, MO1366881427
- Parneeta Bhatia, M.D.Saint Louis, MO1962591222
- Michael Bonebrake, MDSaint Louis, MO1740487545
- Jamie Brown-Shpigel, MDSaint Louis, MO1366854630
Common questions
What is Grace Niziolek, MD's NPI number?
Grace Niziolek, MD's National Provider Identifier (NPI) is 1528486339, issued on Mar 31, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Grace Niziolek, MD located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-5298. Providers update this record themselves, so call before visiting.
How can I verify Grace Niziolek, MD's license?
NPPES lists Missouri license number 2023027659, 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.
What is Grace Niziolek, MD's Medicare quality score?
The 2023 MIPS final score is 79.3 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.