Physician Profile
Wallace R. Johnson, M.D.
Unclaimed ProfileAbout Dr. Johnson
Wallace R. Johnson, M.D. is a healthcare provider in Baltimore, MD specializing in internal medicine. Wallace trained at University of Maryland School of Medicine, graduating in 1986. Medicare claims data shows Wallace provided 679 services to 409 patients. 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, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (410) 328-7877
- Email not available
Practice Locations
22 S GREENE ST
Baltimore, MD 21201
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
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
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
679 services · 409 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
27 |
| Ambulatory blood pressure monitoring, 1 day or longer, with recording, scanning analysis, interpretation, and report | Treatment | 93784 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
461 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
61 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
37 |
| Administration of influenza virus vaccine | Billing code | G0008 |
27 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
24 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
14 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 |
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 5
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 — 31 related providers in 4 groups
Other internists in Baltimore 7
Same specialty, same city.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is Wallace R. Johnson's specialty?
Wallace R. Johnson is an internist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Wallace R. Johnson?
Wallace R. Johnson is listed at 22 S Greene St, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Wallace R. Johnson?
The number on file is (410) 328-7877. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Wallace R. Johnson?
Wallace R. Johnson's National Provider Identifier is 1043253867. 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
What is Wallace R. Johnson's education?
Wallace R. Johnson attended University of Maryland School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Wallace R. Johnson have?
Wallace R. Johnson has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Wallace R. Johnson known for?
According to Medicare billing data, Wallace R. Johnson provides treatments such as influenza vaccine split virus, preservative free and ambulatory blood pressure monitoring, 1 day or longer, with recording, scanning analysis, interpretation, and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Wallace R. Johnson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Wallace R. Johnson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.