Clara Seihyun Koo, MD
Diagnostic Radiology Physician · Cedar Knolls, NJ
Clara Seihyun Koo, MD is a diagnostic radiology physician with a practice address in Cedar Knolls, New Jersey, and NPI 1831726249, issued on Mar 25, 2020. Check the license (New Jersey 25MA12531400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Clara Seihyun Koo
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 25MA12531400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 197 Ridgedale Ave Ste 120, Cedar Knolls, NJ 07927
- Phone
- (973) 695-1290
- Enumerated
- Mar 25, 2020
- Record last updated
- Apr 7, 2026
- Fax
- (973) 695-1295
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,102 in New Jersey → Look up another NPI →
Verify Clara Seihyun Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA12531400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Clara Seihyun Koo among 1,102 diagnostic radiology physician records in New Jersey
Clara Seihyun Koo, MD is one of 1,102 diagnostic radiology physician records with a practice address in New Jersey. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 98% of them.
- NPI issued2020 · 98% of these records are older, 1% newer
- In a Medicare fileNo · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2026 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in New Jersey
There are 1,102 diagnostic radiology physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,102 in New Jersey → Every provider in Cedar Knolls → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Jonathan Goodman, D.O.Cedar Knolls, NJ 079271639100530
- Christel Bauer, MDChatham, NJ 079281104852151
- Edward Fobben, M.D.Chatham, NJ 079281235283946
- Lawrence Gelber, M.D.Chatham, NJ 079281346202009
- Lawrence Seltzer, MDChatham, NJ 079281417983412
- Jyoti Shah, MDBernardsville, NJ 079241033132642
- Eileen Travers Concannon, M.D.Chester, NJ 079301396833471
- Vandna Bar, M.D.Berkeley Heights, NJ 079221881836815
Common questions
What is Clara Seihyun Koo, MD's NPI number?
Clara Seihyun Koo, MD's National Provider Identifier (NPI) is 1831726249, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Clara Seihyun Koo, MD located?
The NPPES record lists a practice address at 197 Ridgedale Ave Ste 120, Cedar Knolls, NJ, 07927. Phone: (973) 695-1290. Providers update this record themselves, so call before visiting.
How can I verify Clara Seihyun Koo, MD's license?
NPPES lists New Jersey license number 25MA12531400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.