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Edit this profileAt a glance
- 26206 W 12 Mile Rd, Suite 201, Southfield, MI 48034
About Dr. Johnstone
Keith A. Johnstone, M.D. practices internal medicine in Southfield, MI. Keith is a 1983 graduate of University of Michigan Medical School. Keith is also listed as specializing in cardiovascular disease and interventional cardiology. Medicare claims data shows Keith provided 413 services to 277 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. The provider's National Provider Identifier (NPI) is 1760466049.
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
- (248) 355-4545
- Email not available
Practice Locations
26206 W 12 MILE RD SUITE 201
Southfield, MI 48034
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
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
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
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
413 services · 277 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
105 | As often as other peers in Internal Medicine |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
58 | Less 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 |
192 | More often than most peers in Internal Medicine |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
41 | As often as other peers in Internal Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 | 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.
Other internists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 32 related providers in 4 groups
Other internists in Southfield 8
Same specialty, same city.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Keith A. Johnstone specialize in?
Keith A. Johnstone is an internist in Southfield, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Keith A. Johnstone located?
Keith A. Johnstone is listed at 26206 W 12 Mile Rd Suite 201, Southfield, MI 48034. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Keith A. Johnstone's phone number?
The number on file is (248) 355-4545. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Keith A. Johnstone?
Keith A. Johnstone's National Provider Identifier is 1760466049. 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 Keith A. Johnstone train?
Keith A. Johnstone attended University of Michigan Medical School, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Keith A. Johnstone have?
Keith A. Johnstone has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Keith A. Johnstone do most often?
According to Medicare billing data, Keith A. Johnstone provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Keith A. Johnstone's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Keith A. Johnstone. If this is you, claiming it is free.
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