Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Andrew Robert Griesbaum, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1164019972

Mr. Andrew Robert Griesbaum, ACNP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2020, 6 years ago. Practices with Washington University, a 2,986-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
6
Licensed in
MO
In the registry since
2020
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

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Practice location Address checks out

1 Barnes Jewish Hospital Plz Dept Anesthesiology
Saint Louis, MO 63110-1003
Phone: (800) 862-9980
Fax: (314) 362-1185
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 2020041084 (MO)

Record details

NPI number1164019972
Entity typeIndividual (Type 1)
GenderMale
Credentials ACNP
Sole proprietorNo
NPI enumeratedDecember 28, 2020
Last updated in NPPESApril 17, 2025
Certification dateDecember 28, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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