William Louie, MD
NPI 1336141183 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Louie, MD is a Diagnostic Radiology Physician provider in New York, NY (NPI 1336141183).
Provider details
- NPI number
- 1336141183
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 178751 (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
20 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
1,740 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) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 371 | $209 |
| Mri Scan of Brain Without Contrast70551 | 245 | $224 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 179 | $191 |
| Mri Scan of Brain Before and After Contrast70553 | 127 | $338 |
| Ct Scan Head Or Brain Without Contrast70450 | 107 | $115 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 102 | $46 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-11
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is William Louie's NPI number?
- William Louie's National Provider Identifier (NPI) is 1336141183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Louie's specialty?
- William Louie is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Louie located?
- William Louie's practice location on file with NPPES is 61 E 77th St, New York, NY 10021-1817.
- What is William Louie's phone number?
- The practice phone number listed in the NPPES registry for William Louie is (212) 772-3111.
- Does William Louie accept Medicare?
- William Louie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Louie's NPI active?
- Yes — William Louie's NPI (1336141183) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.