James W. McIlwaine, M.D.
Otolaryngology Physician · Washington, MO
James W. McIlwaine, M.D. is an otolaryngology physician with a practice address in Washington, Missouri, and NPI 1558352443, issued on Oct 31, 2005. Check the license (Missouri 2002002082, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- James W. McIlwaine
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 2002002082 MO
Self-reported in NPPES; status is on the state search - Practice location
- 901 Patients First Dr, Washington, MO 63090
- Phone
- (636) 390-1570
- Enumerated
- Oct 31, 2005
- Record last updated
- Jan 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (636) 390-1571
- Medicaid ID
- 204576300 MO
- Medicare enrollment
- Enrolled (PECOS I20050808000454); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 901 Patients First Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffery Armstrong, PA CPhysician Assistant1972597136
- Bryce Ayers, M.D.Internal Medicine Physician1689610446
- Tamara Bailey, FNP-CFamily Nurse Practitioner1184122327
- Kelly Bain, M.D.Family Medicine Physician1982645818
- Dilip Banerjee, M.D.Cardiovascular Disease Physician1902828742
- Kristy Bestgen, MSN, APRN, FNP-CFamily Nurse Practitioner1326487315
Verify James W. McIlwaine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2002002082Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average otolaryngology physician in 2024
774 Medicare Part D claims for 264 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Levothyroxine Sodium195 claims
- Ipratropium Bromide98 claims
- Hydrocodone-Acetaminophen53 claims
- Omeprazole35 claims
- Cephalexin29 claims
- Cefdinir28 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: $364.68
13 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Mercy Clinic Ent LLCSt Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Otolaryngology Physician providers in Missouri
There are 253 otolaryngology physician records in Missouri.
Other otolaryngology physician records in Missouri
- Mueed Ahmad, M.D.Saint Louis, MO1841329661
- Edgar Ailor, M.D.Columbia, MO1710130711
- Bushra Ajaz, MSCCC-ASaint Louis, MO1588994321
- Deepthi Akella, DOColumbia, MO1023906864
- Ryan Akin, MDJefferson City, MO1437738861
- Maha Al Gilani, MDSaint Louis, MO1255680369
- Allan Allphin, MDSpringfield, MO1538246723
- Jastin Antisdel, MDSaint Louis, MO1073714564
- Sean Bailey, M.D.Kirkwood, MO1013908714
- Hallie Baker, D.O.Joplin, MO1700228483
Common questions
What is James W. McIlwaine, M.D.'s NPI number?
James W. McIlwaine, M.D.'s National Provider Identifier (NPI) is 1558352443, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James W. McIlwaine, M.D. located?
The NPPES record lists a practice address at 901 Patients First Dr, Washington, MO, 63090. Phone: (636) 390-1570. Providers update this record themselves, so call before visiting.
How can I verify James W. McIlwaine, M.D.'s license?
NPPES lists Missouri license number 2002002082, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James W. McIlwaine, M.D. prescribe under Medicare Part D?
In 2024, James W. McIlwaine, M.D. had 774 Medicare Part D claims for 264 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.