William D. Huffstutler, MD
Internal Medicine Physician · Mount Vernon, IL
William D. Huffstutler, MD is an internal medicine physician with a practice address in Mount Vernon, Illinois, and NPI 1578513420, issued on May 11, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William D. Huffstutler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 4101 N Water Tower PL, Mount Vernon, IL 62864
- Phone
- (618) 244-4313
- Enumerated
- May 11, 2006
- Record last updated
- Sep 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (618) 244-5348
- Medicare enrollment
- Enrolled (PECOS I20100614000089); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1983
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 4101 N Water Tower PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bayly Adams, APRNFamily Nurse Practitioner1295443653
- Johanna Estes, RD, IBCLC, MSNFNP-CFamily Nurse Practitioner1558685156
- Paul Lane, PA-CPhysician Assistant1962023820
- Megan Neely, M.D.Internal Medicine Physician1528233681
- Cynthia Phillips, APNNurse Practitioner1841785185
Verify William D. Huffstutler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average internal medicine physician in 2024
12,706 Medicare Part D claims for 426 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 433 claims were for opioids.
Most prescribed
- Amlodipine Besylate485 claims
- Levothyroxine Sodium392 claims
- Atorvastatin Calcium346 claims
- Pravastatin Sodium325 claims
- Losartan Potassium289 claims
- Rosuvastatin Calcium267 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $505.95
32 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Deaconess Illinois Crossroads IncMount Vernon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William D. Huffstutler among 7,238 internal medicine physician records in Illinois
William D. Huffstutler, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1983 · median 2003 among the 3,580 with a school on file
- Record last updated2007 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Mount Vernon
They are 15 of the 578 NPPES records with a practice address in Mount Vernon, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Mount Vernon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Ambrose, MDMount Vernon, IL 628641538398680
- Ferdinand Apostol, M.D.Mount Vernon, IL 628641447216239
- Hitanshu Chawla, M.D.Mount Vernon, IL 628641942645692
- Ismat Cheema, DOMount Vernon, IL 628641205226560
- Edgardo Emilia, MDMount Vernon, IL 628641710950217
- Douglas Frankel, M.D.Mount Vernon, IL 628641215142310
- Daniel Hoffman, MDMount Vernon, IL 628641134147432
- Brian Hughes, M.D.Mount Vernon, IL 628641417001371
Common questions
What is William D. Huffstutler, MD's NPI number?
William D. Huffstutler, MD's National Provider Identifier (NPI) is 1578513420, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William D. Huffstutler, MD located?
The NPPES record lists a practice address at 4101 N Water Tower PL, Mount Vernon, IL, 62864. Phone: (618) 244-4313. Providers update this record themselves, so call before visiting.
How can I verify William D. Huffstutler, MD's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William D. Huffstutler, MD prescribe under Medicare Part D?
In 2024, William D. Huffstutler, MD had 12,706 Medicare Part D claims for 426 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William D. Huffstutler, MD's MIPS final score?
The 2023 MIPS final score is 92.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.