Karthik Nath, MD
NPI 1962166140 · Hematology (Internal Medicine) Physician · New York, NY
Karthik Nath, MD is a Hematology (Internal Medicine) Physician provider in New York, NY (NPI 1962166140).
Provider details
- NPI number
- 1962166140
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 10974401 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
106 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 59 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 47 | $157 |
Typical Medicare-allowed amounts for these services range $129–$157 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-25
- Last updated
- 2021-10-25
- Certified
- 2021-10-22
Frequently asked questions
- What is Karthik Nath's NPI number?
- Karthik Nath's National Provider Identifier (NPI) is 1962166140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karthik Nath's specialty?
- Karthik Nath is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Karthik Nath located?
- Karthik Nath's practice location on file with NPPES is 504 E 63rd St Apt 25, New York, NY 10065-7919.
- What is Karthik Nath's phone number?
- The practice phone number listed in the NPPES registry for Karthik Nath is (646) 249-5210.
- Is Karthik Nath's NPI active?
- Yes — Karthik Nath's NPI (1962166140) is active in the NPPES registry as of the last update on 2021-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.