KA-KEI NGAN MD
NPI 1891792446
Radiology - Diagnostic Radiology in Pittsburgh, PA

Q: What is Ka-kei Ngan's NPI number?

The NPI number for Ka-kei Ngan is 1891792446. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Q: What is Ka-kei Ngan'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 Ka-kei Ngan was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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 June 28, 2005PECOS EnrolledAccepts Medicare Assignment

77.5/100

CMS Quality Rating

RADIOLOGY ADMIN. DEPT., 3705 5TH AVENUE, CHP, MT. SUITE 3950, PITTSBURGH, PA 15213(412) 647-3550 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ka-kei Ngan Md NPPES

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

KA-KEI NGAN MD (NPI 1891792446) is an individual diagnostic radiology provider in Pittsburgh, Pennsylvania, licensed in Connecticut (042202) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Upmc Mercy, and is a graduate of Warren Alpert Medical School Of Brown University (1999).

NPPES Registry Identity

NPI1891792446

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameKA-KEI NGANCredential: MD

Location AddressRADIOLOGY ADMIN. DEPT., 3705 5TH AVENUE, CHP, MT. SUITE 3950Pittsburgh, PA 15213

Mailing Address100 Denniston St, Apt # 87Pittsburgh, PA 15206-4028

Phone(412) 647-3550

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1999

Enumeration DateJune 28, 2005

Last NPPES UpdateSeptember 2, 2026

✔ NPI 1891792446 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 CT · 042202

Definition

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

RADIOLOGY ADMIN. DEPT., 3705 5TH AVENUE, Pittsburgh, PA 15213

Open in Google Maps ↗

Other Identifiers 1

OtherMD426556PA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ka-kei Ngan Md 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 ID5193706851

PECOS Enrollment IDI20050627000131

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 Ka-kei Ngan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Pittsburgh Physicians

0.1 mi

Internal Medicine

3500 5TH AVE, 4TH FLOOR
Pittsburgh, PA 15213

Reassigned Medicare billing, Pennsylvania enrollment
7,114 clinicians in this Medicare group

NPI 1548433527 (412) 682-2434

Regional Health Services Inc

117 mi

Family Medicine

201 STATE ST
Erie, PA 16550

Reassigned Medicare billing, Pennsylvania enrollment
962 clinicians in this Medicare group

NPI 1174520654 (814) 877-8140

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 23

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.

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

234 services221 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

172 services159 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

170 services138 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

112 services106 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

102 services101 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

77 services73 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

54 services54 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

49 services49 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

43 services43 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.

39 services38 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

37 services37 patients

Ultrasound scan of transplanted kidney 76776

An ultrasound scan of a transplanted kidney is a non-invasive imaging procedure. It uses sound waves to produce images of your kidney, helping to monitor its health and function. This test helps detect any potential issues early, ensuring the kidney is working properly.

36 services33 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

29 services29 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

26 services26 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

24 services24 patients

Single contrast x-ray of esophagus 74220

A single contrast x-ray of the esophagus is a non-invasive procedure where a radiopaque substance is swallowed to highlight the esophagus. This allows doctors to capture clear images of the area, aiding in the diagnosis of any abnormalities or issues.

24 services23 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

20 services20 patients

Ultrasound scan of head and neck soft tissue 76536

19 services19 patients

Complete ultrasound scan behind abdominal cavity 76770

18 services18 patients

Ct scan of abdomen and pelvis with contrast 74177

16 services16 patients

Needle biopsy of kidney 50200

A needle biopsy of the kidney is a medical procedure where a small sample of kidney tissue is removed using a special needle. This is done to examine the tissue under a microscope for any abnormalities. It helps in diagnosing potential kidney conditions.

14 services14 patients

Mri scan of abdomen without contrast 74181

An MRI scan of the abdomen without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of your abdominal organs. This procedure doesn't involve radiation or dye injection.

14 services14 patients

Ct scan of chest with contrast 71260

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Upmc Mercy

Acute Care Hospitals · Pittsburgh, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390028

Location1400 Locust StreetPittsburgh, PA 15219 · Allegheny County

Emergency services

Upmc St Margaret

Acute Care Hospitals · Pittsburgh, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390102

Location815 Freeport RoadPittsburgh, PA 15215 · Allegheny County

Emergency services

Magee Womens Hospital Of Upmc Health System

Acute Care Hospitals · Pittsburgh, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390114

Location300 Halket StreetPittsburgh, PA 15213 · Allegheny County

Emergency services Birthing friendly

Upmc Presbyterian Shadyside

Acute Care Hospitals · Pittsburgh, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390164

Location200 Lothrop StreetPittsburgh, PA 15213 · Allegheny County

Emergency services

Upmc Horizon

Acute Care Hospitals · Greenville, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390178

Location110 North Main StreetGreenville, PA 16125 · Mercer County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 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

$84.88 typical visit price

range $54.64 – $166.87

Typical copayment $21.22 (range $13.66 – $41.71)

Most-billed visit code 99203

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

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.

77.5/100

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

Scored as part of a group practice

Quality

68.61

Promoting Interoperability

100

Improvement Activities

Cost

56.4

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 Ka-kei Ngan's NPI number?

The NPI number for Ka-kei Ngan is 1891792446. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Where is Ka-kei Ngan located?

Ka-kei Ngan practices at Radiology Admin. Dept., 3705 5th Avenue Chp, Mt. Suite 3950, Pittsburgh, PA 15213. The listed phone number is (412) 647-3550.

What is Ka-kei Ngan's specialty?

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

Is Ka-kei Ngan enrolled in Medicare?

Yes. Ka-kei Ngan 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.

Which organizations bill Medicare for Ka-kei Ngan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ka-kei Ngan reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and Regional Health Services Inc (Erie, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ka-kei Ngan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ka-kei Ngan affiliated with any hospitals?

According to CMS data, Ka-kei Ngan is affiliated with Upmc Mercy, Upmc St Margaret, Magee Womens Hospital Of Upmc Health System, Upmc Presbyterian Shadyside and Upmc Horizon.

When was this NPI record last updated?

The NPPES record for Ka-kei Ngan was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.