Denise A. McGuffin, MD
Internal Medicine Physician · Normal, IL
Denise A. McGuffin, MD is an internal medicine physician with a practice address in Normal, Illinois, and NPI 1245328574, issued on Oct 11, 2006. Check the license (Illinois 036114173, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Denise A. McGuffin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036114173 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1304 Franklin Ave, Normal, IL 61761
- Phone
- (309) 454-1400
- Enumerated
- Oct 11, 2006
- Record last updated
- Oct 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 036114173 IL
- Medicare enrollment
- Enrolled (PECOS I20051012000468); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1304 Franklin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Denise A. McGuffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036114173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
408 Medicare Part D claims for 155 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass20 claims
- Furosemide20 claims
- Prednisone19 claims
- Amlodipine Besylate17 claims
- Albuterol Sulfate Hfa12 claims
- Eliquis12 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.
Bills Medicare through 2 group practices
- Carle Health Care IncorporatedEureka, IL
- Carle West Physician Group IncEureka, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Denise A. McGuffin among 7,238 internal medicine physician records in Illinois
Denise A. McGuffin, 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
- Graduated2002 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 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).
16 internal medicine physician records list a practice address in Normal
They are 16 of the 963 NPPES records with a practice address in Normal, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Normal → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kerline Ductan, M.D.Normal, IL 617611073826715
- Marlito Favila, M.D.Normal, IL 617611114945912
- Sam Gaines, M.D.Normal, IL 617611730115643
- Caroline Halperin, D.O.Normal, IL 617611912928805
- Dru Hauter, M.D.Normal, IL 617611255353660
- Bijoy Kar, M.D.Normal, IL 617611407207699
- Enrique Martinez Trevino, M.D.Normal, IL 617611477291177
- Daniel Nwankwo, M.D.Normal, IL 617611639526007
Common questions
What is Denise A. McGuffin, MD's NPI number?
Denise A. McGuffin, MD's National Provider Identifier (NPI) is 1245328574, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Denise A. McGuffin, MD located?
The NPPES record lists a practice address at 1304 Franklin Ave, Normal, IL, 61761. Phone: (309) 454-1400. Providers update this record themselves, so call before visiting.
How can I verify Denise A. McGuffin, MD's license?
NPPES lists Illinois license number 036114173, as entered by the provider. 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 Denise A. McGuffin, MD prescribe under Medicare Part D?
In 2024, Denise A. McGuffin, MD had 408 Medicare Part D claims for 155 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.