Kelsie Marie Mentz, ACNP
Nurse Practitioner · Saint Louis, MO
Kelsie Marie Mentz, ACNP is a nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1306214697, issued on Sep 3, 2015. Check the license (Missouri 2016001344, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kelsie Marie Mentz
- Credential
- ACNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 2016001344 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4500 Forest Park Ave, Saint Louis, MO 63108
- Phone
- (314) 362-3577
- Enumerated
- Sep 3, 2015
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-2107
- Medicaid ID
- 420028400 MO
- Medicare enrollment
- Enrolled (PECOS I20160308002544); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,720 in Missouri → Look up another NPI →
Also registered at 4500 Forest Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Camille Abboud, MDMedical Oncology Physician1316965320
- Douglas Adkins, MDMedical Oncology Physician1164440616
- Rebecca Aft, MDSurgical Oncology Physician1164440897
- Amber Afzal, MDHematology (Internal Medicine) Physician1831539808
- Caleb Bannister, PHARM. D.Pharmacist1124718283
- Stephanie Bauer, FNPFamily Nurse Practitioner1639285968
Verify Kelsie Marie Mentz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2016001344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average nurse practitioner in 2024
222 Medicare Part D claims for 56 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Carvedilol33 claims
- Amlodipine Besylate23 claims
- Atorvastatin Calcium13 claims
- Doxazosin Mesylate11 claims
- Potassium Chloride11 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.
Bills Medicare through 2 group practices
- Aging Well Health Care, LLCSaint Louis, MO
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kelsie Marie Mentz among 1,720 nurse practitioner records in Missouri
Kelsie Marie Mentz, ACNP is one of 1,720 nurse practitioner records with a practice address in Missouri. 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 2015, is newer than 40% of them.
- NPI issued2015 · 40% of these records are older, 55% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2017 among the 1,080 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
437 nurse practitioner records list a practice address in Saint Louis
They are 437 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,720 nurse practitioner records in Missouri.
All 1,720 in Missouri → Every provider in Saint Louis → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Ashley Altman, FNPSaint Louis, MO 631081457882417
- Susan Bender, RNSaint Louis, MO 631081801094594
- Melissa Edwards, ACNPSaint Louis, MO 631081528594355
- Kim French, ANPSaint Louis, MO 631081003119348
- Lynn Golec, FNPSaint Louis, MO 631081942562830
- Margaret Kavanaugh, ANPSaint Louis, MO 631081689974388
- Deborah Patton, PMHNP-BCSaint Louis, MO 631081629465661
- Brooke Ramsey, ANPSaint Louis, MO 631081972904993
Common questions
What is Kelsie Marie Mentz, ACNP's NPI number?
Kelsie Marie Mentz, ACNP's National Provider Identifier (NPI) is 1306214697, issued on Sep 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Kelsie Marie Mentz, ACNP located?
The NPPES record lists a practice address at 4500 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 362-3577. Providers update this record themselves, so call before visiting.
How can I verify Kelsie Marie Mentz, ACNP's license?
NPPES lists Missouri license number 2016001344, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Kelsie Marie Mentz, ACNP prescribe under Medicare Part D?
In 2024, Kelsie Marie Mentz, ACNP had 222 Medicare Part D claims for 56 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.
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.