NPPES file of Aug 9, 2026

Mallory Jansen, NP

Family Nurse Practitioner · Lansing, MI

Mallory Jansen, NP is a family nurse practitioner with a practice address in Lansing, Michigan, and NPI 1881345031, issued on Jan 10, 2022. Check the license (Michigan 4704272847, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1881345031
Name
Mallory Jansen
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704272847 MI
Self-reported in NPPES; status is on the state search
Practice location
1140 E Michigan Ave Ste 200, Lansing, MI 48912
Phone
(517) 364-9400
Enumerated
Jan 10, 2022
Record last updated
Apr 3, 2025
Fax
(517) 487-3148
Medicare enrollment
Enrolled (PECOS I20220210000594); accepts Medicare assignment
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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8 nearest family nurse practitioner records → All 5,356 in Michigan → Look up another NPI →

Also registered at 1140 E Michigan Ave Ste 200

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

  1. Hussein Ali-Ahmad, M.D.Hematology & Oncology Physician1821262676
  2. Nick Coolidge, PA-CMedical Physician Assistant1194105221
  3. Leighanne Larson Schultz, PA-CPhysician Assistant1447483987
  4. Brittani Thomas, D.O.Hematology & Oncology Physician1972940179
  5. Jennifer Vansickler, PHARMDPharmacist1154023901
  6. Merryl Varghese, MDHematology & Oncology Physician1891344792

Verify Mallory Jansen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704272847    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 Michigan 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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Bills Medicare through one group practice

  1. Edward W Sparrow Hospital AssociationLansing, MI

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

Mallory Jansen among 5,356 family nurse practitioner records in Michigan

Mallory Jansen, NP is one of 5,356 family nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.

  • NPI issued2022 · 71% of these records are older, 21% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2021 · median 2019 among the 3,254 with a school on file
  • Record last updated2025 · 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

103 family nurse practitioner records list a practice address in Lansing

They are 103 of the 5,276 NPPES records with a practice address in Lansing, and 5,356 family nurse practitioner records in Michigan.

All 5,356 in Michigan → Every provider in Lansing → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Amy Axline-Hillard, NPLansing, MI 489121720338262
  2. Sandra Butcher, FNPLansing, MI 489121194958660
  3. Marty Dack, NPLansing, MI 489121871686337
  4. Marci Deline, F.N.P-BCLansing, MI 489121861624215
  5. Judith Fleishman, F.N.P.Lansing, MI 489121528210135
  6. Leanne Harker, NURSE PRACTITIONERLansing, MI 489121457594905
  7. Melissa Harper, NPLansing, MI 489121902064769
  8. Sandra Jones-Yapp, FNP BC MSN MBALansing, MI 489121548562283

Common questions

What is Mallory Jansen, NP's NPI number?

Mallory Jansen, NP's National Provider Identifier (NPI) is 1881345031, issued on Jan 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mallory Jansen, NP located?

The NPPES record lists a practice address at 1140 E Michigan Ave Ste 200, Lansing, MI, 48912. Phone: (517) 364-9400. Providers update this record themselves, so call before visiting.

How can I verify Mallory Jansen, NP's license?

NPPES lists Michigan license number 4704272847, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity 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.