Physician Profile
Unclaimed ProfileAbout MARRON
Based in New York, NY, Thomas Urban Marron, M.D. PH.D. is listed in the NPI registry under medical oncology. Thomas graduated from Icahn School of Medicine at Mount Sinai in 2012. Medicare claims data shows Thomas provided 203 services to 69 patients.
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. Marron?
Dr. Marron is a medical oncology in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “MEDICAL ONCOLOGY”.
NPI registry
What is Dr. Marron's address?
Dr. Marron is listed at 10 E 102ND ST, New York, NY 10029. 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. Marron?
The number on file is (212) 241-6756. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marron?
Dr. Marron's National Provider Identifier is 1821363029. 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. Marron train?
Dr. Marron attended Icahn School of Medicine at Mount Sinai, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marron have?
Dr. Marron has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marron perform?
According to Medicare billing data, Dr. Marron 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. Marron's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marron. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (212) 241-6756
- Email not available
Practice Locations
10 E 102ND ST
New York, NY 10029
Procedures Most Often Billed to Medicare
203 services · 69 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
159 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
30 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical oncology specialists at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 24 related providers in 3 groups
Other medical oncology specialists in New York 8
Same specialty, same city.
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Icahn School of Medicine at Mount Sinai 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.