William Arthur Grass, ARNP
Critical Care Medicine Nurse Practitioner · Creve Coeur, MO
William Arthur Grass, ARNP is a critical care medicine nurse practitioner with a practice address in Creve Coeur, Missouri, and NPI 1407854383, issued on Jul 13, 2005. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Arthur Grass
- Credential
- ARNP
- Primary taxonomy
- Critical Care Medicine Nurse Practitioner 363LC0200X
- License number
- ARNP9207097 FL
Self-reported in NPPES; status is on the state search - Practice location
- 10 Barnes West Dr, Creve Coeur, MO 63141
- Phone
- (314) 996-8270
- Enumerated
- Jul 13, 2005
- Record last updated
- Jul 30, 2025
- Medicaid ID
- 308331400 FL
- Entity
- Type 1 · individual
8 nearest critical care medicine nurse practitioner records → All 51 in Missouri → Look up another NPI →
Also registered at 10 Barnes West Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Bandy, PHARMDPharmacist1861244535
- Melinda Corley, RPHOncology Pharmacist1861929713
Verify William Arthur Grass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average critical care medicine nurse practitioner in 2024
270 Medicare Part D claims for 112 beneficiaries, against an average of 412 among the 396 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone21 claims
- Gabapentin16 claims
- Methylprednisolone13 claims
- Azithromycin11 claims
- Ciprofloxacin Hcl11 claims
- Dexamethasone11 claims
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.
Industry payments in 2024: $1,513.91
66 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
William Arthur Grass among 51 critical care medicine nurse practitioner records in Missouri
William Arthur Grass, ARNP 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- 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 Creve Coeur → Critical Care Medicine Nurse Practitioner nationwide →
The 8 critical care medicine nurse practitioner records with the nearest ZIP codes
- Suzanne Bohnker, ANPSaint Louis, MO 631411063858090
- Molly Eggleston, DNPSaint Louis, MO 631411487313987
- Jonathan Mayberry, AGACNP-BCSaint Louis, MO 631411679330419
- Angela Tabaka, ANPSaint Louis, MO 631311891700217
- Patricia Nash, RNC, NNPSaint Louis, MO 631281497800197
- Micah Andrade, ACNPSaint Louis, MO 631101437722493
- Kaitlyn Bickel, ACNPSaint Louis, MO 631101407644321
- Allysa Campbell, AGACNP-BCSaint Louis, MO 631101134001019
Common questions
What is William Arthur Grass, ARNP's NPI number?
William Arthur Grass, ARNP's National Provider Identifier (NPI) is 1407854383, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Arthur Grass, ARNP located?
The NPPES record lists a practice address at 10 Barnes West Dr, Creve Coeur, MO, 63141. Phone: (314) 996-8270. Providers update this record themselves, so call before visiting.
How can I verify William Arthur Grass, ARNP's license?
Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does William Arthur Grass, ARNP prescribe under Medicare Part D?
In 2024, William Arthur Grass, ARNP had 270 Medicare Part D claims for 112 beneficiaries; 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.