NPPES file of Aug 9, 2026

Stephen Janssen, DO

Emergency Medicine Physician · Stratford, NJ

Stephen Janssen, DO is an emergency medicine physician with a practice address in Stratford, New Jersey, and NPI 1841783362, issued on Jun 9, 2018. Check the license (New Jersey 25MB11172600, 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
1841783362
Name
Stephen Janssen
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
25MB11172600 NJ
Self-reported in NPPES; status is on the state search
Practice location
18 E Laurel RD, Stratford, NJ 08084
Phone
(856) 346-7985
Enumerated
Jun 9, 2018
Record last updated
Aug 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210806002317); accepts Medicare assignment
Medical or professional school
Campbell Univ School Of Osteopathic Medicine, 2018
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 18 E Laurel RD

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

  1. Kira Abrams, DOStudent in an Organized Health Care Education/Training Program1144918392
  2. Anel Abreu, D.O., M.S.Orthopaedic Surgery Physician1982728960
  3. Tia AlexanderStudent in an Organized Health Care Education/Training Program1013604297
  4. John-Patrick Alvarez, PA-CPhysician Assistant1861594798
  5. Moses Avedikian, DOEmergency Medicine Physician1134781982
  6. Sarah AyvazovPodiatrist1366174237

Verify Stephen Janssen 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 25MB11172600
    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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56% more Medicare Part D claims than the average emergency medicine physician in 2024

353 Medicare Part D claims for 244 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 38 claims were for opioids.

  1. Stephen Janssen353
  2. Specialty average226

Most prescribed

  1. Baclofen60 claims
  2. Ondansetron Odt45 claims
  3. Cephalexin41 claims
  4. Oxycodone-Acetaminophen34 claims
  5. Prednisone19 claims
  6. Amoxicillin-Clavulanate Potass16 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): 49.7 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 score35.5
  2. Costout of 100 · 30%31.8
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Emergency Physician Associates OF South Jersey P CMarlton, NJ

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

Stephen Janssen among 1,754 emergency medicine physician records in New Jersey

Stephen Janssen, DO is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 77% of them.

  • NPI issued2018 · 77% of these records are older, 19% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2018 · median 2011 among the 1,167 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 emergency medicine physician records list a practice address in Stratford

They are 81 of the 660 NPPES records with a practice address in Stratford, and 1,754 emergency medicine physician records in New Jersey.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Daniel Ellis, MDStratford, NJ 080841134162522
  2. James Espinosa, MDStratford, NJ 080841235165259
  3. Ross Feld, D.O.Stratford, NJ 080841376749630
  4. Thomas Licata, D.O.Stratford, NJ 080841811193253
  5. Alan Lucerna, D.O.Stratford, NJ 080841023214178
  6. Eric Maddock, DOStratford, NJ 080841962424473
  7. Sergey Medlenov, D.O.Stratford, NJ 080841164628392
  8. Margie Orris, D.O.Stratford, NJ 080841518163807

Common questions

What is Stephen Janssen, DO's NPI number?

Stephen Janssen, DO's National Provider Identifier (NPI) is 1841783362, issued on Jun 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Janssen, DO located?

The NPPES record lists a practice address at 18 E Laurel RD, Stratford, NJ, 08084. Phone: (856) 346-7985. Providers update this record themselves, so call before visiting.

How can I verify Stephen Janssen, DO's license?

NPPES lists New Jersey license number 25MB11172600, 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 Stephen Janssen, DO prescribe under Medicare Part D?

In 2024, Stephen Janssen, DO had 353 Medicare Part D claims for 244 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Stephen Janssen, DO's MIPS final score?

The 2023 MIPS final score is 49.7 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.