Robert Marx, MD
NPI 1083643068 · Sports Medicine (Orthopaedic Surgery) Physician · New York, NY
Robert Marx, MD is a Sports Medicine (Orthopaedic Surgery) Physician provider in New York, NY (NPI 1083643068).
Provider details
- NPI number
- 1083643068
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 222329 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,288 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-01
- Last updated
- 2021-04-08
- Certified
- 2021-04-08
Frequently asked questions
- What is Robert Marx's NPI number?
- Robert Marx's National Provider Identifier (NPI) is 1083643068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Marx's specialty?
- Robert Marx is listed in the NPPES registry with a primary specialty of Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Marx located?
- Robert Marx's practice location on file with NPPES is 519 E 72nd St, New York, NY 10021-4028.
- What is Robert Marx's phone number?
- The practice phone number listed in the NPPES registry for Robert Marx is (212) 606-1645.
- Is Robert Marx's NPI active?
- Yes — Robert Marx's NPI (1083643068) is active in the NPPES registry as of the last update on 2021-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.