NPPES file of Aug 9, 2026

Mark Tolsma, APN

Family Nurse Practitioner · Upper Saddle River, NJ

Mark Tolsma, APN is a family nurse practitioner with a practice address in Upper Saddle River, New Jersey, and NPI 1902588700, issued on Aug 2, 2023. Check the license (New Jersey 26NJ14890200, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1902588700
Name
Mark Tolsma
Credential
APN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
26NJ14890200 NJ
Self-reported in NPPES; status is on the state search
Practice location
2 Park Way, Upper Saddle River, NJ 07458
Phone
(201) 882-7526
Enumerated
Aug 2, 2023
Record last updated
Aug 2, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 3,881 in New Jersey → Look up another NPI →

Also registered at 2 Park Way

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

  1. Madelyn CzupichPhysician Assistant1376111591
  2. Tammy Scholl, PA-CMedical Physician Assistant1225200389

Verify Mark Tolsma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 26NJ14890200    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
Find the New Jersey license search

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85% fewer Medicare Part D claims than the average family nurse practitioner in 2024

201 Medicare Part D claims for 169 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mark Tolsma201
  2. Specialty average1,305

Most prescribed

  1. Nitrofurantoin Mono-Macro37 claims
  2. Doxycycline Hyclate35 claims
  3. Cefuroxime29 claims
  4. Mupirocin13 claims
  5. Cephalexin12 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.

Mark Tolsma among 3,881 family nurse practitioner records in New Jersey

Mark Tolsma, APN is one of 3,881 family nurse practitioner 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 2023, is newer than 70% of them.

  • NPI issued2023 · 70% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 family nurse practitioner records list a practice address in Upper Saddle River

They are 3 of the 68 NPPES records with a practice address in Upper Saddle River, and 3,881 family nurse practitioner records in New Jersey.

All 3,881 in New Jersey → Every provider in Upper Saddle River → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Irena Janiec-Zito, APNUpper Saddle River, NJ 074581720756331
  2. Jessica Thimmel, APNUpper Saddle River, NJ 074581790506103
  3. Lynn Carten, APRNRiverdale, NJ 074571538996863
  4. Prabjeet KaurRiverdale, NJ 074571881469179
  5. Kelcey MarRiverdale, NJ 074571831802875
  6. Gisele McCreaRiverdale, NJ 074571881498772
  7. Sue Rose, RN NPCRiverdale, NJ 074571902064983
  8. Melissa Scollan-Koliopoulos, EDD, DNP, PMHNP, FNPRingwood, NJ 074561285774554

Common questions

What is Mark Tolsma, APN's NPI number?

Mark Tolsma, APN's National Provider Identifier (NPI) is 1902588700, issued on Aug 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mark Tolsma, APN located?

The NPPES record lists a practice address at 2 Park Way, Upper Saddle River, NJ, 07458. Phone: (201) 882-7526. Providers update this record themselves, so call before visiting.

How can I verify Mark Tolsma, APN's license?

NPPES lists New Jersey license number 26NJ14890200, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Tolsma, APN prescribe under Medicare Part D?

In 2024, Mark Tolsma, APN had 201 Medicare Part D claims for 169 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.