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Edit this profileAt a glance
- 5400 Fort St, Suite 130, Trenton, MI 48183
About Dr. Johnson
Based in Trenton, MI, James R. Johnson, DO is listed in the NPI registry under internal medicine. James graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1986. According to Medicare claims data, James cared for 522 Medicare patients across 676 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and annual depression screening, 5 to 15 minutes. NPI 1316901754 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (734) 362-7100
- Email not available
Practice Locations
5400 FORT ST SUITE 130
Trenton, MI 48183
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
- Back pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
676 services · 522 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
38 | As often as other peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
23 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
256 | As often as other peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
96 | As often as other peers in Internal Medicine |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
82 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
70 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
39 | Less often than most peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
38 | As often as other peers in Internal Medicine |
| Administration of pneumococcal vaccine | Billing code | G0009 |
23 | As often as other peers in Internal Medicine |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Billing code | G0402 |
11 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Trenton 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Des Moines University of Osteopathic Medicine and Health Sciences 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Des Moines University of Osteopathic Medicine and Health Sciences 7
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Dr. Johnson specialize in?
Dr. Johnson is an internist in Trenton, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dr. Johnson located?
Dr. Johnson is listed at 5400 Fort St Suite 130, Trenton, MI 48183. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Johnson's phone number?
The number on file is (734) 362-7100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Johnson's NPI number?
Dr. Johnson's National Provider Identifier is 1316901754. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Johnson go to medical school?
Dr. Johnson attended Des Moines University of Osteopathic Medicine and Health Sciences, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnson been practicing?
Dr. Johnson has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Johnson do most often?
According to Medicare billing data, Dr. Johnson provides treatments such as influenza vaccine split virus, preservative free and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
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