Karthik Nathan, MD
NPI 1225665235 · Student in an Organized Health Care Education/Training Program · New York, NY
Karthik Nathan, MD is a Student in an Organized Health Care Education/Training Program provider in New York, NY (NPI 1225665235).
Provider details
- NPI number
- 1225665235
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
$290 across 2 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
- 2020-03-27
- Last updated
- 2021-04-29
- Certified
- 2021-04-10
Frequently asked questions
- What is Karthik Nathan's NPI number?
- Karthik Nathan's National Provider Identifier (NPI) is 1225665235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthik Nathan's specialty?
- Karthik Nathan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Karthik Nathan located?
- Karthik Nathan's practice location on file with NPPES is 535 E 70th Street, New York, NY 10021.
- What is Karthik Nathan's phone number?
- The practice phone number listed in the NPPES registry for Karthik Nathan is (770) 827-9622.
- Is Karthik Nathan's NPI active?
- Yes — Karthik Nathan's NPI (1225665235) is active in the NPPES registry as of the last update on 2021-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.