Physician Profile
Unclaimed ProfileAbout LIS
Ronald Lis, M.D. practises internal medicine in Paterson, NJ. Ronald is a 1984 graduate of Rowan University School of Osteopathic Medicine. Ronald is also listed as specialising in critical care medicine, hospice & palliative medicine, and pulmonary disease.
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
Areas of Expertise
Common questions
What kind of doctor is Dr. Lis?
Dr. Lis is an internal medicine in Paterson, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Lis's address?
Dr. Lis is listed at SAINT JOSEPH'S HOSPITAL 703 MAIN STREET, Paterson, NJ 07503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Lis?
The number on file is (973) 754-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lis?
Dr. Lis's National Provider Identifier is 1205987021. 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. Lis train?
Dr. Lis attended Rowan University School of Osteopathic Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lis have?
Dr. Lis has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lis perform?
According to Medicare billing data, Dr. Lis the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lis. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (973) 754-2000
- Email not available
Practice Locations
SAINT JOSEPH'S HOSPITAL 703 MAIN STREET
Paterson, NJ 07503
Procedures Most Often Billed to Medicare
144 services · 77 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
87 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
40 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
17 |
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 internal medicines in Paterson 8
Same specialty, same city.
Trained at Rowan University School of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Rowan University School of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.