Shannon McDuff Johnson, MD
Internal Medicine Physician · Canton, MI
Shannon McDuff Johnson, MD is an internal medicine physician with a practice address in Canton, Michigan, and NPI 1164048401, issued on Jun 23, 2020. Check the license (Michigan 4301509709, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Shannon McDuff Johnson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301509709 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1051 N Canton Center RD, Canton, MI 48187
- Phone
- (734) 998-2020
- Enumerated
- Jun 23, 2020
- Record last updated
- Aug 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20230824002413); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 1051 N Canton Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alissa Anastasio, DOStudent in an Organized Health Care Education/Training Program1063104834
Verify Shannon McDuff Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301509709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,786 Medicare Part D claims for 208 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium150 claims
- Amlodipine Besylate98 claims
- Levothyroxine Sodium76 claims
- Losartan Potassium60 claims
- Lisinopril59 claims
- Fluticasone Propionate58 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 one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon McDuff Johnson among 5,735 internal medicine physician records in Michigan
Shannon McDuff Johnson, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2006 among the 3,564 with a school on file
- Record last updated2023 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 internal medicine physician records list a practice address in Canton
They are 46 of the 1,735 NPPES records with a practice address in Canton, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Canton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mira Agrawal, M.D.Canton, MI 481871518982198
- Linda Balogh, MDCanton, MI 481871851480719
- Raghunath Bandri, MDCanton, MI 481871578538294
- Suvarna Bhat, MDCanton, MI 481871609859172
- Greta Branford, MDCanton, MI 481871841389707
- Floyd Brinley, MDCanton, MI 481871477642338
- Kristin Collier, MDCanton, MI 481871548359409
- David Deguzman, MDCanton, MI 481871437248309
Common questions
What is Shannon McDuff Johnson, MD's NPI number?
Shannon McDuff Johnson, MD's National Provider Identifier (NPI) is 1164048401, issued on Jun 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Shannon McDuff Johnson, MD located?
The NPPES record lists a practice address at 1051 N Canton Center RD, Canton, MI, 48187. Phone: (734) 998-2020. Providers update this record themselves, so call before visiting.
How can I verify Shannon McDuff Johnson, MD's license?
NPPES lists Michigan license number 4301509709, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shannon McDuff Johnson, MD prescribe under Medicare Part D?
In 2024, Shannon McDuff Johnson, MD had 1,786 Medicare Part D claims for 208 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.