Physician Profile
Justin M. Weis, M.D. is a healthcare provider in Canandaigua, NY specializing in internal medicine. Justin trained at University of Iowa, Rj & L Carver College of Medicine, graduating in 2007. Justin is also listed as specializing in critical care medicine. According to Medicare claims data, Justin cared for 246 Medicare patients across 357 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, critical care, first 30-74 minutes, and test to measure expiratory airflow and volume.
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.
350 PARRISH ST
Canandaigua, NY 14424
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
357 services · 246 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to measure expiratory airflow and volume | Treatment | 94010 |
40 | More often than most peers in Internal Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
38 | As often as other peers in Internal Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
13 | More often than most peers in Internal Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
12 | As often as other peers in Internal Medicine |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
11 | Less often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
114 | As often as other peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
54 | More often than most 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 |
33 | 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 |
21 | Less often than most 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 |
21 | 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.
Justin M. Weis is an internist in Canandaigua, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Justin M. Weis is listed at 350 Parrish St, Canandaigua, NY 14424. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (585) 396-6636. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Justin M. Weis's National Provider Identifier is 1245356468. 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
Justin M. Weis attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Justin M. Weis has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Justin M. Weis provides treatments such as test to measure expiratory airflow and volume and test to examine how well the lungs exchange gases, 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 Justin M. Weis. 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.