STEPHEN KO M.D.
NPI 1972568236
Radiology - Diagnostic Radiology in Honolulu, HI

Active since April 19, 2006PECOS EnrolledAccepts Medicare Assignment
57.56/100
CMS Quality Rating
347 N KUAKINI ST, HONOLULU, HI 96817(808) 522-0190(808) 523-9068 Get Directions Write a Review

NPPES record last updated: February 7, 2017. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Stephen Ko M.d. NPPES

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

STEPHEN KO M.D. (NPI 1972568236) is an individual diagnostic radiology provider in Honolulu, Hawaii, licensed in Hawaii (MD11118) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of University Of California, San Diego School Of Medicine (1991).

NPPES Registry Identity

NPI1972568236
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameSTEPHEN KOCredential: M.D.
Location Address347 N KUAKINI STHonolulu, HI 96817-2306
Mailing Address321 N Kuakini St, Suite 405Honolulu, HI 96817-2364 · (808) 522-0190 · Fax (808) 523-9068
Fax(808) 523-9068
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1991
Enumeration DateApril 19, 2006
Last NPPES UpdateFebruary 7, 2017
NPI 1972568236 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 HI · MD11118
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
347 N KUAKINI ST, Honolulu, HI 96817

Other Identifiers 18

Other103802483HI · Us Marshall Svc-fed Det C
Other300113204HI · Palmetto Gba
OtherMD11118HI · Queens Healthcare
Other990157698009HI · Hi Elec
Other990157698-96701-B010HI · Tricare
Other204243800HI · Us Labor Dept
OtherB224614HI · Hmsa
Other494930-02HI · St Dept Of Pub Safety
Other00A0224616HI · Quest Hmsa
Other00B0224614HI · Quest Hmsa
Medicare UPING30211HI
Medicaid0049493001HI
Other108-2145098HI · Aetna
OtherA224616HI · Hmsa
Other990157698-96817-E010HI · Tricare
Medicare PIN52670HI
Other494930-01HI · St Dept Of Pub Safety
Medicaid0049493002HI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Stephen Ko M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406859685
PECOS Enrollment IDI20060814000579
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.

Areas of Expertise CMS Part B claims 53

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.

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.
1,088 services1,088 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.
926 services926 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
602 services513 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
270 services264 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
224 services222 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
172 services171 patients

Hospital Affiliations CMS Care Compare 5

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

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120001
Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County
Emergency services Birthing friendly

Adventist Health Castle

Acute Care Hospitals · Kailua, HI
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number120006
Location640 Ulukahiki StKailua, HI 96734 · Honolulu County
Emergency services Birthing friendly

Kuakini Medical Center

Acute Care Hospitals · Honolulu, HI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120007
Location347 North Kuakini StreetHonolulu, HI 96817 · Honolulu County
Emergency services

Straub Clinic And Hospital

Acute Care Hospitals · Honolulu, HI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number120022
Location888 S King StreetHonolulu, HI 96813 · Honolulu County
Emergency services

Pali Momi Medical Center

Acute Care Hospitals · Aiea, HI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number120026
Location98-1079 Moanalua RoadAiea, HI 96701 · Honolulu County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96817 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
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.

57.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality90
Improvement Activities0
Cost71.87

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%590 patients
Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%682 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Emergency Medicine (Emergency Medical Services)
347 N KUAKINI ST
HONOLULU, HI 96817
Family Medicine
347 N KUAKINI ST, HPM 9
HONOLULU, HI 96817
Radiology (Diagnostic Radiology)
347 N KUAKINI ST
HONOLULU, HI 96817
General Acute Care Hospital
347 N KUAKINI ST
HONOLULU, HI 96817
Physical Therapist
347 N KUAKINI ST
HONOLULU, HI 96817
Internal Medicine
347 N KUAKINI ST
HONOLULU, HI 96817
Physical Therapist
347 N KUAKINI ST
HONOLULU, HI 96817
Radiology (Diagnostic Radiology)
347 N KUAKINI ST
HONOLULU, HI 96817

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Ko's NPI number?

The NPI number for Stephen Ko is 1972568236. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Stephen Ko located?

Stephen Ko practices at 347 N Kuakini St, Honolulu, HI 96817. The listed phone number is (808) 522-0190.

What is Stephen Ko's specialty?

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

Is Stephen Ko enrolled in Medicare?

Yes. Stephen Ko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Stephen Ko affiliated with any hospitals?

According to CMS data, Stephen Ko is affiliated with The Queens Medical Center, Adventist Health Castle, Kuakini Medical Center, Straub Clinic And Hospital and Pali Momi Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Ko was last updated on February 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.