Lindsay Ann Underwood, ACNP
Critical Care Medicine Nurse Practitioner · Saint Louis, MO
Lindsay Ann Underwood, ACNP is a critical care medicine nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1861642530, issued on Sep 30, 2008. Check the license (Missouri 2003017503, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lindsay Ann Underwood
- Credential
- ACNP
- Primary taxonomy
- Critical Care Medicine Nurse Practitioner 363LC0200X
- License number
- 2003017503 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 362-1408
- Enumerated
- Sep 30, 2008
- Record last updated
- Nov 3, 2025
- Fax
- (314) 362-6033
- Medicare enrollment
- Enrolled (PECOS I20251028003390); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest critical care medicine nurse practitioner records → All 51 in Missouri → Look up another NPI →
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 Lindsay Ann Underwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2003017503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $65.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Cumberland Pharmaceuticals, Inc. The 457 providers of this specialty with any payment received $369.26 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.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lindsay Ann Underwood among 51 critical care medicine nurse practitioner records in Missouri
Lindsay Ann Underwood, 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 2008, is newer than 14% of them.
- NPI issued2008 · 14% of these records are older, 80% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2007 · 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.
All 51 in Missouri → Every provider in Saint Louis → Critical Care Medicine Nurse Practitioner nationwide →
The 8 critical care medicine nurse practitioner records with the nearest ZIP codes
- Micah Andrade, ACNPSaint Louis, MO 631101437722493
- Andreia Cage, ACNPSaint Louis, MO 631101447424213
- Jordana Culanculan, ACNPSaint Louis, MO 631101396344289
- Madeline Distler, ACNPSaint Louis, MO 631101053911297
- Laurie Grubb, ACNPSaint Louis, MO 631101679913313
- Heather Gunter, ACNPSaint Louis, MO 631101659947513
- Douglas Harwood, ACNPSaint Louis, MO 631101396978938
- Susan Hindupur, ACNPSaint Louis, MO 631101548690654
Common questions
What is Lindsay Ann Underwood, ACNP's NPI number?
Lindsay Ann Underwood, ACNP's National Provider Identifier (NPI) is 1861642530, issued on Sep 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lindsay Ann Underwood, ACNP located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-1408. Providers update this record themselves, so call before visiting.
How can I verify Lindsay Ann Underwood, ACNP's license?
NPPES lists Missouri license number 2003017503, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity 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.