NPPES file of Aug 9, 2026

Robert J. Korst, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Paramus, NJ

Robert J. Korst, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Paramus, New Jersey, and NPI 1821185901, issued on Oct 9, 2006. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821185901
Name
Robert J. Korst
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
202994 NY
Self-reported in NPPES; status is on the state search
Practice location
1 Valley Health Plz, Paramus, NJ 07652
Phone
(201) 634-5365
Enumerated
Oct 9, 2006
Record last updated
Jul 10, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(201) 634-5382
Medicare enrollment
Enrolled (PECOS I20070430000143); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Valley Health Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maureen Bottiglieri, RN,CMTMassage Therapist1548468333
  2. William Burke, M.D.Gynecologic Oncology Physician1932154739
  3. Hua-Ren Cherng, MDRadiation Oncology Physician1780210625
  4. Allen Chinitz, M.D.Medical Oncology Physician1649254236
  5. Song Chung, RPHPharmacist1174739007
  6. Caitlin Ciallella, DNP, AGACNP-BCAcute Care Nurse Practitioner1699135038

Verify Robert J. Korst in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

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20% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

81 Medicare Part D claims for 44 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Robert Korst81
  2. Specialty average101

Most prescribed

  1. Omeprazole42 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 98.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score93.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,214.91

2 payments; by number, the most common kind was consulting fee; the largest payer was Ethicon Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Korst$1,214.91
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Valley Physician Services PCHoboken, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert J. Korst among 156 thoracic surgery (cardiothoracic vascular surgery) physician records in New Jersey

Robert J. Korst, MD is one of 156 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in New Jersey. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 38% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1989 · median 1997 among the 94 with a school on file
  • Record last updated2014 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in New Jersey

There are 156 thoracic surgery (cardiothoracic vascular surgery) physician records in New Jersey.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. John Chuback, JOHN CHUBACK, M.D.Paramus, NJ 076521124071261
  2. Alexandra Renzi, M.D.Teaneck, NJ 076661770960817
  3. Charles Shieh, MDTeaneck, NJ 076661861651739
  4. Ignatios Zairis, MDTeaneck, NJ 076661760519151
  5. Adam Arnofsky, MDEnglewood, NJ 076311245301332
  6. Alok Dash, MDEnglewood, NJ 076311598974826
  7. M Arisan Ergin, MDEnglewood, NJ 076311538125588
  8. Jan Galla, MDEnglewood, NJ 076311376716274

Common questions

What is Robert J. Korst, MD's NPI number?

Robert J. Korst, MD's National Provider Identifier (NPI) is 1821185901, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert J. Korst, MD located?

The NPPES record lists a practice address at 1 Valley Health Plz, Paramus, NJ, 07652. Phone: (201) 634-5365. Providers update this record themselves, so call before visiting.

How can I verify Robert J. Korst, MD's license?

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.

How much does Robert J. Korst, MD prescribe under Medicare Part D?

In 2024, Robert J. Korst, MD had 81 Medicare Part D claims for 44 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

What is Robert J. Korst, MD's MIPS final score?

The 2023 MIPS final score is 98.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.