William Ko, MD
NPI 1851496681 · Diagnostic Radiology Physician · Red Bank, NJ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ko, MD is a Diagnostic Radiology Physician provider in Red Bank, NJ (NPI 1851496681).
Provider details
- NPI number
- 1851496681
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA06878200 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,321 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) |
|---|---|---|
| Complete Ultrasound Scan of 1 Breast76641 | 354 | $52 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 197 | $30 |
| Screening Mammography77067 | 172 | $38 |
| Screening 3d Breast Mammography77063 | 171 | $30 |
| Diagnostic Mammography of Both Breasts77066 | 137 | $49 |
| Diagnostic Mammography of 1 Breast77065 | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 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
Additional practice locations (1)
- 727 N Beers StHolmdel, NJ 07733-1514Phone: (732) 739-5900
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2019-07-30
Frequently asked questions
- What is William Ko's NPI number?
- William Ko's National Provider Identifier (NPI) is 1851496681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ko's specialty?
- William Ko is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Ko located?
- William Ko's practice location on file with NPPES is 1 Riverview Plz, Red Bank, NJ 07701-1864.
- What is William Ko's phone number?
- The practice phone number listed in the NPPES registry for William Ko is (732) 530-2305.
- Does William Ko accept Medicare?
- William Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ko's NPI active?
- Yes — William Ko's NPI (1851496681) is active in the NPPES registry as of the last update on 2019-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.