Physician Profile
Based in Morristown, NJ, Mark Younan, M.D. is listed in the NPI registry under internal medicine. Mark is also listed as specializing in general acute care hospital and student in an organized health care education program. According to Medicare claims data, Mark cared for 476 Medicare patients across 500 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
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.
100 MADISON AVE
Morristown, NJ 07960
550 First Avenue NYU Langone Medical Center
New York, NY 10016
99 Beauvoir Ave
Summit, NJ 07901
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
500 services · 476 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
325 | More 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 |
117 | As often as other peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
39 | |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark Younan is an internist in Morristown, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Mark Younan is listed at 100 Madison Ave, Morristown, NJ 07960. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (973) 971-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mark Younan's National Provider Identifier is 1013309566. 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
Mark Younan attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Mark Younan has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mark Younan 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
Not yet. This profile is built from public federal data and has not been confirmed by Mark Younan. 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.