WILLIAM KO MD
NPI 1851496681
Radiology - Diagnostic Radiology in Red Bank, NJ

Q: What is William Ko's NPI number?

The NPI number for William Ko is 1851496681. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Q: What is William Ko's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for William Ko was last updated on July 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 14, 2006PECOS Enrolled

75.8/100

CMS Quality Rating

1 RIVERVIEW PLZ, RED BANK, NJ 07701(732) 530-2305(732) 224-8410 Get Directions Write a Review

NPPES record last updated: July 30, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About William Ko Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM KO MD (NPI 1851496681) is an individual diagnostic radiology provider in Red Bank, New Jersey, licensed in New Jersey (25MA06878200) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Hackensack Meridian Health, Mountainside Medical, and maintains a secondary practice location in Holmdel.

NPPES Registry Identity

NPI1851496681

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameWILLIAM KOCredential: MD

Location Address1 RIVERVIEW PLZRed Bank, NJ 07701-1864

Mailing Address3600 Route 66, Fl 3Neptune, NJ 07753-2605 · (732) 807-8077 · Fax (201) 751-1680

Phone(732) 530-2305

Fax(732) 224-8410

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1989

Enumeration DateSeptember 14, 2006

Last NPPES UpdateJuly 30, 2019

✔ NPI 1851496681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in NJ · 25MA06878200

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1 RIVERVIEW PLZ, Red Bank, NJ 07701

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Secondary Practice Location 1

Location 1727 N Beers StHolmdel, NJ 07733-1514 · Phone (732) 739-5900

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Ko Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446286272

PECOS Enrollment IDI20050713000691

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Ko reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hackensack Meridian Health Medical Group - Specialty Care PC

2.0 mi

Surgical Critical Care

331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701

Reassigned Medicare billing, New Jersey enrollment
2,844 clinicians in this Medicare group

NPI 1215989249 (732) 807-0800

Radiology Affiliates Of Central New Jersey PC

33 mi

Diagnostic Radiology

2501 KUSER RD
Hamilton, NJ 08691

Reassigned Medicare billing, New Jersey enrollment
130 clinicians in this Medicare group

NPI 1811994791 (609) 585-8800

Empire State Radiology P C

47 mi

Diagnostic Radiology

1000 MONTAUK HWY
West Islip, NY 11795

Reassigned Medicare billing, New Jersey and New York enrollments
32 clinicians in this Medicare group

NPI 1255962783 (718) 223-4685

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

354 services339 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

197 services182 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

172 services172 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

171 services171 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

137 services133 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

130 services114 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

69 services68 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

23 services22 patients

Biopsy of breast and placement of locating device using mri, first growth 19085

A biopsy involves taking a small sample from a growth in the breast for testing, using MRI for precision. A locating device is also placed during this procedure to mark the area for future reference. This helps in accurate diagnosis and treatment planning.

16 services15 patients

Biopsy of breast and placement of locating device using x-ray with needle, first growth 19081

A biopsy of the breast involves extracting a small sample of tissue for examination. A locating device placement, guided by x-ray, aids in identifying the exact spot of the first growth. A needle is used in both processes to ensure precision and minimal discomfort.

15 services15 patients

X-ray of surgical specimen 76098

An X-ray of a surgical specimen involves taking detailed images of the tissue or organ removed during surgery. This helps in examining the specimen more closely to understand the disease better. It's a safe, non-invasive procedure, providing valuable insights to your healthcare team.

13 services12 patients

Placement of locating device in breast using imaging guidance, first growth 19281

This procedure involves placing a tiny device in the breast using image guidance. The device helps pinpoint the exact location of the first growth. It's a non-invasive method that aids in precise treatment planning.

12 services12 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hackensack Meridian Health, Mountainside Medical

Acute Care Hospitals · Montclair, NJ

2/5 CMS rating

OwnershipProprietary

CMS Certification Number310054

Location1 Bay AvenueMontclair, NJ 07042 · Essex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.90 typical visit price

range $61.59 – $185.05

Typical copayment $23.72 (range $15.39 – $46.26)

Most-billed visit code 99203

Established Patient

$76.45 typical visit price

range $20.08 – $150.98

Typical copayment $19.11 (range $5.02 – $37.74)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75.8/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.65

Promoting Interoperability

100

Improvement Activities

Cost

50.69

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHERIE KACPROWICZ MA

Social Worker