James R. Johnson, DO
Internal Medicine Physician · Trenton, MI
James R. Johnson, DO is an internal medicine physician with a practice address in Trenton, Michigan, and NPI 1316901754, issued on Apr 13, 2006. Check the license (Michigan 5101014114, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- James R. Johnson
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101014114 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5400 Fort St, Trenton, MI 48183
- Phone
- (734) 362-7100
- Enumerated
- Apr 13, 2006
- Record last updated
- Dec 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (734) 671-1768
- Medicare enrollment
- Enrolled (PECOS I20050609000675); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1986
- 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 5400 Fort St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James R. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101014114Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average internal medicine physician in 2024
5,673 Medicare Part D claims for 389 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium746 claims
- Lisinopril361 claims
- Losartan Potassium216 claims
- Hydrochlorothiazide206 claims
- Metoprolol Succinate204 claims
- Levothyroxine Sodium173 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.
Industry payments in 2024: $13.22
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.
James R. Johnson among 5,735 internal medicine physician records in Michigan
James R. Johnson, DO 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1986 · median 2006 among the 3,564 with a school on file
- Record last updated2011 · 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).
37 internal medicine physician records list a practice address in Trenton
They are 37 of the 495 NPPES records with a practice address in Trenton, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Trenton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Avlokita Badhwar, M.D.Brownstown Twp, MI 481831508866914
- Christopher Deangelis, DOTrenton, MI 481831629076450
- Badri Gupta, MDWoodhaven, MI 481831518985845
- Carl Haeger, M.D.Brownstown Twp, MI 481831689613903
- Suresh Kumar, MDTrenton, MI 481831568499655
- Margaret McQuistonBrownstown, MI 481831487652004
- Francis Mitek, MDWoodhaven, MI 481831093777013
- Iqbal Nasir, M.D.Brownstown Twp, MI 481831477523439
Common questions
What is James R. Johnson, DO's NPI number?
James R. Johnson, DO's National Provider Identifier (NPI) is 1316901754, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James R. Johnson, DO located?
The NPPES record lists a practice address at 5400 Fort St, Trenton, MI, 48183. Phone: (734) 362-7100. Providers update this record themselves, so call before visiting.
How can I verify James R. Johnson, DO's license?
NPPES lists Michigan license number 5101014114, 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 James R. Johnson, DO prescribe under Medicare Part D?
In 2024, James R. Johnson, DO had 5,673 Medicare Part D claims for 389 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.