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CLARA SEIHYUN KOO MD
NPI 1831726249
Radiology - Diagnostic Radiology in Cedar Knolls, NJ

Active since March 25, 2020PECOS Enrolled
197 RIDGEDALE AVE STE 120, CEDAR KNOLLS, NJ 07927(973) 695-1290(973) 695-1295 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2026, Mar 25, 2020 (2 updates tracked since 2020).

About Clara Seihyun Koo Md NPPES

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

CLARA SEIHYUN KOO MD (NPI 1831726249) is an individual diagnostic radiology provider in Cedar Knolls, New Jersey, licensed in New Jersey (25MA12531400) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831726249
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameCLARA SEIHYUN KOOCredential: MD
Location Address197 RIDGEDALE AVE STE 120Cedar Knolls, NJ 07927-2107
Mailing Address197 Ridgedale Ave Ste 120Cedar Knolls, NJ 07927-2107 · (973) 695-1290 · Fax (973) 695-1295
Phone(973) 695-1290
Fax(973) 695-1295
Sole ProprietorNo
Enumeration DateMarch 25, 2020
Last NPPES UpdateApril 7, 20262 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
✔ NPI 1831726249 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 · 25MA12531400
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
197 RIDGEDALE AVE STE 120, Cedar Knolls, NJ 07927
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Clara Seihyun Koo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07927 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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.

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 Clara Koo's NPI number?

The NPI number for Clara Koo is 1831726249. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Clara Koo located?

Clara Koo practices at 197 Ridgedale Ave Ste 120, Cedar Knolls, NJ 07927. The listed phone number is (973) 695-1290.

What is Clara Koo's specialty?

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

Is Clara Koo enrolled in Medicare?

Yes. Clara Koo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Clara Koo was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.