William Huffstutler, MD
Internal Medicine Physician · Mount Vernon, IL
William 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 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
- Entity
- Type 1 · individual
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-CNurse Practitioner1558685156
- Paul Lane, PA-CPhysician Assistant1962023820
- Megan Neely, M.D.Internal Medicine Physician1528233681
- Cynthia Phillips, APNNurse Practitioner1841785185
Verify William 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
4.6 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 2,785 among the 127,794 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 Medicare quality score for 2023: 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, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Deaconess Illinois Crossroads IncMount Vernon, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
15 internal medicine physician records list a Mount Vernon practice address
They are 15 of the 578 NPPES records with a Mount Vernon practice address, and 8,522 internal medicine physician records in Illinois.
All 15 in Mount Vernon → All 8,522 in Illinois → Every provider in Mount Vernon →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is William Huffstutler, MD's NPI number?
William 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 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 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 Huffstutler, MD prescribe under Medicare Part D?
In 2024, William Huffstutler, MD had 12,706 Medicare Part D claims for 426 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is William Huffstutler, MD's Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.