Roy Kwak, M.D.
NPI 1306039425 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Kwak, M.D. is a Diagnostic Radiology Physician provider in New York, NY (NPI 1306039425).
Provider details
- NPI number
- 1306039425
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A87176 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-22
- Last updated
- 2012-04-02
Frequently asked questions
- What is Roy Kwak's NPI number?
- Roy Kwak's National Provider Identifier (NPI) is 1306039425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Kwak's specialty?
- Roy Kwak is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Kwak located?
- Roy Kwak's practice location on file with NPPES is 423 E 23rd St, New York, NY 10010-5011.
- What is Roy Kwak's phone number?
- The practice phone number listed in the NPPES registry for Roy Kwak is (212) 636-7500.
- Does Roy Kwak accept Medicare?
- Roy Kwak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Kwak's NPI active?
- Yes — Roy Kwak's NPI (1306039425) is active in the NPPES registry as of the last update on 2012-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.