John Ng, MD
NPI 1225287048 · Specialist · New York, NY
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ng, MD is a Specialist provider in New York, NY (NPI 1225287048).
Provider details
- NPI number
- 1225287048
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,806 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Calculation of Radiation Therapy Dose77300 | 611 | $38 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 402 | $51 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 286 | $167 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 259 | $223 |
| Design and Construction of Complex Radiation Treatment Device77334 | 258 | $70 |
| Design and Construction of Radiation Treatment Device for High Precision Radiation Therapy77338 | 164 | $260 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 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
- 2008-09-17
- Last updated
- 2013-01-07
Frequently asked questions
- What is John Ng's NPI number?
- John Ng's National Provider Identifier (NPI) is 1225287048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ng's specialty?
- John Ng is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Ng located?
- John Ng's practice location on file with NPPES is 525 East 68th Street, New York, NY 10021.
- What is John Ng's phone number?
- The practice phone number listed in the NPPES registry for John Ng is (212) 746-3674.
- Does John Ng accept Medicare?
- John Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ng's NPI active?
- Yes — John Ng's NPI (1225287048) is active in the NPPES registry as of the last update on 2013-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.