Physician Profile
Based in Norwalk, CT, Robert ANDREW DOUGLAS Wilson, MD is listed in the NPI registry under internal medicine. Robert is also listed as specializing in pulmonary disease and student in an organized health care education program. According to Medicare claims data, Robert cared for 722 Medicare patients across 905 services. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 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.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
34 MAPLE ST
Norwalk, CT 06856
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.
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
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
905 services · 722 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to determine lung volumes using sensors | Treatment | 94726 |
71 | More often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
71 | More often than most peers in Internal Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
68 | More often than most peers in Internal Medicine |
| Test for exercise-induced lung stress | Treatment | 94618 |
23 | As often as other peers in Internal Medicine |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
15 | Less often than most peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
173 | More than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
150 | 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 |
102 | As often as other peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
59 | As often as other 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 |
58 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Wilson is an internist in Norwalk, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Wilson is listed at 34 Maple St, Norwalk, CT 06856. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (203) 852-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Wilson's National Provider Identifier is 1922554682. 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
Dr. Wilson attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Dr. Wilson has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Wilson provides treatments such as test to determine lung volumes using sensors and test to measure expiratory airflow and volume changes before and after medication administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Wilson. 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.