NPPES file of Aug 9, 2026

Samantha Acacia Janssen, MD

Obstetrics & Gynecology Physician · Lees Summit, MO

Samantha Acacia Janssen, MD is an obstetrics & gynecology physician with a practice address in Lees Summit, Missouri, and NPI 1003493594, issued on Mar 29, 2021. Check the license (Missouri 2025029505, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1003493594
Name
Samantha Acacia Janssen
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
2025029505 MO
04-51417 KS
Self-reported in NPPES; status is on the state search
Practice location
20 NE Saint Lukes Blvd Ste 310, Lees Summit, MO 64086
Phone
(816) 282-7809
Enumerated
Mar 29, 2021
Record last updated
Mar 11, 2026
Medicare enrollment
Enrolled (PECOS I20250902002795); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 2021
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 obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →

Also registered at 20 NE Saint Lukes Blvd Ste 310

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

  1. Courtney Angell, M.D.Obstetrics & Gynecology Physician1669600706
  2. Mary Brulja, D.O.Obstetrics & Gynecology Physician1548664626
  3. Mary Cowan, MSN, APNWomen's Health Nurse Practitioner1073834271
  4. Susan Ezell, DOObstetrics & Gynecology Physician1770824732
  5. Julia Johnson, MDObstetrics & Gynecology Physician1912393109
  6. Ashley Zeilenga, DOObstetrics & Gynecology Physician1104488212

Verify Samantha Acacia Janssen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2025029505    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 Missouri 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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72% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

46 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.

  1. Samantha Janssen46
  2. Specialty average165

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.

Bills Medicare through one group practice

  1. Rockhill Women's Care IncLees Summit, MO

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

Samantha Acacia Janssen among 902 obstetrics & gynecology physician records in Missouri

Samantha Acacia Janssen, MD is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 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 2021, is newer than 87% of them.

  • NPI issued2021 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2021 · median 2007 among the 528 with a school on file
  • Record last updated2026 · 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 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 obstetrics & gynecology physician records list a practice address in Lees Summit

They are 27 of the 2,128 NPPES records with a practice address in Lees Summit, and 902 obstetrics & gynecology physician records in Missouri.

All 902 in Missouri → Every provider in Lees Summit → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Lisa Amsterdam, M.D.Lees Summit, MO 640861770568925
  2. Courtney Angell, M.D.Lees Summit, MO 640861669600706
  3. Mary Brulja, D.O.Lees Summit, MO 640861548664626
  4. Susan Ezell, DOLees Summit, MO 640861770824732
  5. Mara Galvin, M.D.Lees Summit, MO 640861346295375
  6. Cathanie Halberstadt, M.D.Lees Summit, MO 640861164477170
  7. Julia Johnson, MDLees Summit, MO 640861912393109
  8. Carla Pearman, M.D.Lees Summit, MO 640861336188002

Common questions

What is Samantha Acacia Janssen, MD's NPI number?

Samantha Acacia Janssen, MD's National Provider Identifier (NPI) is 1003493594, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Samantha Acacia Janssen, MD located?

The NPPES record lists a practice address at 20 NE Saint Lukes Blvd Ste 310, Lees Summit, MO, 64086. Phone: (816) 282-7809. Providers update this record themselves, so call before visiting.

How can I verify Samantha Acacia Janssen, MD's license?

NPPES lists Missouri license number 2025029505, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Samantha Acacia Janssen, MD prescribe under Medicare Part D?

In 2024, Samantha Acacia Janssen, MD had 46 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.