NPPES file of Aug 9, 2026

Krystyna Szewczyk-Szczech, M.D.

Internal Medicine Physician · Clifton, NJ

Krystyna Szewczyk-Szczech, M.D. is an internal medicine physician with a practice address in Clifton, New Jersey, and NPI 1871532895, issued on Jun 5, 2006. Check the license (New Jersey 25MA06182900, as entered in NPPES) 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
1871532895
Name
Krystyna Szewczyk-Szczech
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
25MA06182900 NJ
Self-reported in NPPES; status is on the state search
Practice location
1033 Clifton Ave, Clifton, NJ 07013
Phone
(973) 472-4400
Enumerated
Jun 5, 2006
Record last updated
Jul 13, 2026
Fax
(973) 473-6822
Medicaid ID
6500609 NJ
Medicare enrollment
Enrolled (PECOS I20050622001101); accepts Medicare assignment
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 1033 Clifton Ave

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

  1. Arlene Adrales, PTPhysical Therapist1477737153
  2. Kayla Aversa, D.C.Chiropractor1336506534
  3. Urszula Bednarska, ARNPFamily Nurse Practitioner1689080749
  4. Nathan Cheng, MDUrology Physician1578067559
  5. Daniel Conroy, M.D.Cardiovascular Disease Physician1629098603
  6. John Cubero, M.D.Cardiovascular Disease Physician1205856291

Verify Krystyna Szewczyk-Szczech in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA06182900
    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% more Medicare Part D claims than the average internal medicine physician in 2024

4,715 Medicare Part D claims for 419 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 21 claims were for opioids.

  1. Krystyna Szewczyk-Szczech4,715
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium321 claims
  2. Rosuvastatin Calcium242 claims
  3. Metformin Hcl220 claims
  4. Amlodipine Besylate210 claims
  5. Losartan Potassium194 claims
  6. Levothyroxine Sodium175 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): 26.7 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 score0.0
  2. Costout of 100 · 30%89.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $268.32

14 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Krystyna Szewczyk-Szczech$268.32
  2. Specialty average$1,303.06

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. St Marys General Medical Group PCClifton, NJ

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

Krystyna Szewczyk-Szczech among 4,632 internal medicine physician records in New Jersey

Krystyna Szewczyk-Szczech, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 50% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1980 · median 2000 among the 3,132 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 internal medicine physician records list a practice address in Clifton

They are 52 of the 1,732 NPPES records with a practice address in Clifton, and 4,632 internal medicine physician records in New Jersey.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Louise Albornoz, MDClifton, NJ 070131043355381
  2. Aurora Andreescu, MDClifton, NJ 070131912047754
  3. Michael Ardito, M.D.Clifton, NJ 070131235244609
  4. Maged Boutros, M.D.Clifton, NJ 070131497785281
  5. Maria Delvecchio, MDQClifton, NJ 070131700834744
  6. Robert Gajdos, M.D.Clifton, NJ 070131649347964
  7. Pearl Korenblit, M.D.Clifton, NJ 070131043248131
  8. Florencio Llacuna, MDClifton, NJ 070131710047733

Common questions

What is Krystyna Szewczyk-Szczech, M.D.'s NPI number?

Krystyna Szewczyk-Szczech, M.D.'s National Provider Identifier (NPI) is 1871532895, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Krystyna Szewczyk-Szczech, M.D. located?

The NPPES record lists a practice address at 1033 Clifton Ave, Clifton, NJ, 07013. Phone: (973) 472-4400. Providers update this record themselves, so call before visiting.

How can I verify Krystyna Szewczyk-Szczech, M.D.'s license?

NPPES lists New Jersey license number 25MA06182900, 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.

How much does Krystyna Szewczyk-Szczech, M.D. prescribe under Medicare Part D?

In 2024, Krystyna Szewczyk-Szczech, M.D. had 4,715 Medicare Part D claims for 419 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Krystyna Szewczyk-Szczech, M.D.'s MIPS final score?

The 2023 MIPS final score is 26.7 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.