Calvin Sy, M.D.
NPI 1629285630 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Sy, M.D. is a Diagnostic Radiology Physician provider in New York, NY (NPI 1629285630).
Provider details
- NPI number
- 1629285630
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2343071 (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
19 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
2,310 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 424 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 339 | $44 |
| X-Ray of Chest, 2 Views71046 | 301 | $12 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 215 | $97 |
| Ct Scan of Chest With Contrast71260 | 161 | $61 |
| Ct Scan of Upper Spine Without Contrast72125 | 135 | $53 |
| X-Ray of Hip, 2-3 Views |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2023-04-14
- Certified
- 2023-04-14
Frequently asked questions
- What is Calvin Sy's NPI number?
- Calvin Sy's National Provider Identifier (NPI) is 1629285630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Sy's specialty?
- Calvin Sy is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Sy located?
- Calvin Sy's practice location on file with NPPES is 525 E 68th St, New York, NY 10065-4870.
- What is Calvin Sy's phone number?
- The practice phone number listed in the NPPES registry for Calvin Sy is (212) 746-2520.
- Does Calvin Sy accept Medicare?
- Calvin Sy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Sy's NPI active?
- Yes — Calvin Sy's NPI (1629285630) is active in the NPPES registry as of the last update on 2023-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.