NPPES file of Aug 9, 2026

Andrew Robert Griesbaum, ACNP

Acute Care Nurse Practitioner · Saint Louis, MO

Andrew Robert Griesbaum, ACNP is an acute care nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1164019972, issued on Dec 28, 2020. Check the license (Missouri 2020041084, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164019972
Name
Andrew Robert Griesbaum
Credential
ACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
2020041084 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 28, 2020
Record last updated
Apr 17, 2025
Fax
(314) 362-1185
Medicaid ID
420092183 MO
Medicare enrollment
Enrolled (PECOS I20210122002155); 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 Andrew Robert Griesbaum 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 2020041084
    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.

98% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

14 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Andrew Griesbaum14
  2. Specialty average594

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): 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.

  1. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

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).

Andrew Robert Griesbaum among 441 acute care nurse practitioner records in Missouri

Andrew Robert Griesbaum, ACNP is one of 441 acute care 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 53% of them.

  • NPI issued2020 · 53% of these records are older, 42% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2020 · median 2019 among the 324 with a school on file
  • Record last updated2025 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Missouri

There are 441 acute care nurse practitioner records in Missouri.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Michelle Adorjan, ACNPSaint Louis, MO 631101982729950
  2. Mary Beyatte, ACNPSaint Louis, MO 631101194742601
  3. Kelly Counts, ACNPSaint Louis, MO 631101750340279
  4. Lisa Daley, APRN, BCSaint Louis, MO 631101659450898
  5. Sherryl Dilallo, AGNPSaint Louis, MO 631101619993839
  6. Diane Dito, ANPSaint Louis, MO 631101720004039
  7. Theresa Frazier, APRN,BC,ACNPSaint Louis, MO 631101316076540
  8. Anne French, ACNPSaint Louis, MO 631101164434619

Common questions

What is Andrew Robert Griesbaum, ACNP's NPI number?

Andrew Robert Griesbaum, ACNP's National Provider Identifier (NPI) is 1164019972, issued on Dec 28, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Robert Griesbaum, 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 Andrew Robert Griesbaum, ACNP's license?

NPPES lists Missouri license number 2020041084, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Andrew Robert Griesbaum, ACNP prescribe under Medicare Part D?

In 2024, Andrew Robert Griesbaum, ACNP had 14 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

What is Andrew Robert Griesbaum, ACNP's MIPS final 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), 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.