Mark Ray McIlwain, DMD, MD
Oral & Maxillofacial Surgery (D.M.D.) · Sheffield, AL
Mark Ray McIlwain, DMD, MD is an oral & maxillofacial surgery (d.m.d.) with a practice address in Sheffield, Alabama, and NPI 1720045685, issued on Apr 26, 2006. Check the license (Alabama 00016147, as entered in NPPES) with the Alabama board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Ray McIlwain
- Credential
- DMD, MD
- Primary taxonomy
- Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
- License numbers
- 00016147 AL
LNO3783 AL
Self-reported in NPPES; status is on the state search - Practice location
- 398 Ashe Blvd, Sheffield, AL 35660
- Phone
- (256) 383-1499
- Enumerated
- Apr 26, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (256) 383-9135
- Entity
- Type 1 · individual
8 nearest oral & maxillofacial surgery (d.m.d.) records → All 36 in Alabama → Look up another NPI →
Also registered at 398 Ashe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Brooker, LICSW, PIPClinical Social Worker1134597933
- Russell Fraser, DMDOral and Maxillofacial Surgery (Dentist)1326005299
- Jonathan Frederick, MDOral & Maxillofacial Surgery (D.M.D.)1346397239
- Maryellen Mayfield, LICSWClinical Social Worker1548769920
- Christopher Nester, DMD, MDOral & Maxillofacial Surgery (D.M.D.)1306802665
Verify Mark Ray McIlwain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Alabama board licenses this profession
Search for license 00016147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average oral & maxillofacial surgery (d.m.d.) in 2024
1,101 Medicare Part D claims for 306 beneficiaries, against an average of 366 among the 1,051 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 235 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate319 claims
- Amoxicillin290 claims
- Hydrocodone-Acetaminophen218 claims
- Lorazepam63 claims
- Clindamycin Hcl55 claims
- Amoxicillin-Clavulanate Potass35 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.
Mark Ray McIlwain among 36 oral & maxillofacial surgery (d.m.d.) records in Alabama
Mark Ray McIlwain, DMD, MD is one of 36 oral & maxillofacial surgery (d.m.d.) records with a practice address in Alabama. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 69% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204E00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 oral & maxillofacial surgery (d.m.d.) records list a practice address in Sheffield
They are 3 of the 197 NPPES records with a practice address in Sheffield, and 36 oral & maxillofacial surgery (d.m.d.) records in Alabama.
All 36 in Alabama → Every provider in Sheffield → Oral & Maxillofacial Surgery (D.M.D.) nationwide →
The 8 oral & maxillofacial surgery (d.m.d.) records with the nearest ZIP codes
- Jonathan Frederick, MDSheffield, AL 356601346397239
- Christopher Nester, DMD, MDSheffield, AL 356601306802665
- Albert Willis, D.M.D., M.D.Madison, AL 357581184024630
- James Buckley, D.D.S., M.D.Huntsville, AL 358011487092664
- Philip Elledge, DMDHuntsville, AL 358011437114246
- Gary Hudson, D.M.D., M.D.Huntsville, AL 358011447214424
- Leroy Kamelchuk, DDSHuntsville, AL 358011528101698
- John Carlson, DMD, MDTuscaloosa, AL 354041790725844
Common questions
What is Mark Ray McIlwain, DMD, MD's NPI number?
Mark Ray McIlwain, DMD, MD's National Provider Identifier (NPI) is 1720045685, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ray McIlwain, DMD, MD located?
The NPPES record lists a practice address at 398 Ashe Blvd, Sheffield, AL, 35660. Phone: (256) 383-1499. Providers update this record themselves, so call before visiting.
How can I verify Mark Ray McIlwain, DMD, MD's license?
NPPES lists Alabama license number 00016147, as entered by the provider. Search the Alabama board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Ray McIlwain, DMD, MD prescribe under Medicare Part D?
In 2024, Mark Ray McIlwain, DMD, MD had 1,101 Medicare Part D claims for 306 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 366. 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.