NPPES file of Aug 9, 2026

Brian Stewart Knuckles, ACNP

Critical Care Medicine Nurse Practitioner · Saint Louis, MO

Brian Stewart Knuckles, ACNP is a critical care medicine nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1336735810, issued on Dec 18, 2020. Check the license (Missouri 2020027422, as entered in NPPES) with the Missouri board that licenses this profession; 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
1336735810
Name
Brian Stewart Knuckles
Credential
ACNP
Primary taxonomy
Critical Care Medicine Nurse Practitioner 363LC0200X
License number
2020027422 MO
Self-reported in NPPES; status is on the state search
Practice location
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone
(800) 862-9980
Enumerated
Dec 18, 2020
Record last updated
Apr 17, 2025
Fax
(314) 362-1185
Medicaid ID
101740592 MO
Medicare enrollment
Enrolled (PECOS I20241024000674); 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.
Download card Updates feed

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.

  1. Fizza Abbas, MDInternal Medicine Physician1588079230
  2. Catey Abbott, DOInternal Medicine Physician1699355347
  3. Ramzi Abboud, MDMedical Oncology Physician1649684200
  4. Amy Abdalla, MDRadiation Oncology Physician1932959954
  5. Heba Abdelal, MDAnatomic Pathology & Clinical Pathology Physician1033633383
  6. Ali Abdelhay, MDHospitalist Physician1619540606

Verify Brian Stewart Knuckles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2020027422
    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
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average critical care medicine nurse practitioner in 2024

11 Medicare Part D claims, against an average of 412 among the 396 providers of this specialty who prescribed in Part D.

  1. Brian Knuckles11
  2. Specialty average412

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. Washington UniversitySaint Louis, MO

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

Brian Stewart Knuckles among 51 critical care medicine nurse practitioner records in Missouri

Brian Stewart Knuckles, ACNP is one of 51 critical care medicine nurse practitioner records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 55% of them.

  • NPI issued2020 · 55% of these records are older, 37% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2020 · median 2019 among the 38 with a school on file
  • Record last updated2025 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LC0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine Nurse Practitioner providers in Missouri

There are 51 critical care medicine nurse practitioner records in Missouri.

The 8 critical care medicine nurse practitioner records with the nearest ZIP codes

  1. Micah Andrade, ACNPSaint Louis, MO 631101437722493
  2. Andreia Cage, ACNPSaint Louis, MO 631101447424213
  3. Jordana Culanculan, ACNPSaint Louis, MO 631101396344289
  4. Madeline Distler, ACNPSaint Louis, MO 631101053911297
  5. Laurie Grubb, ACNPSaint Louis, MO 631101679913313
  6. Heather Gunter, ACNPSaint Louis, MO 631101659947513
  7. Douglas Harwood, ACNPSaint Louis, MO 631101396978938
  8. Susan Hindupur, ACNPSaint Louis, MO 631101548690654

Common questions

What is Brian Stewart Knuckles, ACNP's NPI number?

Brian Stewart Knuckles, ACNP's National Provider Identifier (NPI) is 1336735810, issued on Dec 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Brian Stewart Knuckles, ACNP located?

The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (800) 862-9980. Providers update this record themselves, so call before visiting.

How can I verify Brian Stewart Knuckles, ACNP's license?

NPPES lists Missouri license number 2020027422, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Brian Stewart Knuckles, ACNP prescribe under Medicare Part D?

In 2024, Brian Stewart Knuckles, ACNP had 11 Medicare Part D claims; the average among critical care medicine nurse practitioner prescribers was 412. 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.