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CHELSEY MACKENZIE CNM
NPI 1942987953
Advanced Practice Midwife in Saint Louis, MO

Active since June 30, 2023PECOS Enrolled
621 S NEW BALLAS RD STE 1015B, SAINT LOUIS, MO 63141(314) 251-8965 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Chelsey Mackenzie Cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHELSEY MACKENZIE CNM (NPI 1942987953) is an individual advanced practice midwife in Saint Louis, Missouri, licensed in Missouri (2025019375) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1942987953
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameCHELSEY MACKENZIECredential: CNM
Location Address621 S NEW BALLAS RD STE 1015BSaint Louis, MO 63141-8203
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (314) 251-8965
Phone(314) 251-8965
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 30, 2023
Last NPPES UpdateMay 5, 2026
NPPES CertifiedMay 5, 2026
✔ NPI 1942987953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in MO · 2025019375
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
621 S NEW BALLAS RD STE 1015B, Saint Louis, MO 63141
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Other Names 1

Former Name (1)Chelsey Hickerson

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chelsey Mackenzie Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1850876921
PECOS Enrollment IDI20260327000566
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. RACHEL LORRENE BENDER WHNP-BC
Nurse Practitioner (Women's Health)
621 S NEW BALLAS RD STE 1015B
SAINT LOUIS, MO 63141
St. Louis County (314) 251-8965
MARGARET SOPUCH MARCRANDER M.D.
Obstetrics & Gynecology
621 S NEW BALLAS RD STE 1015B
SAINT LOUIS, MO 63141
St. Louis County (314) 251-8965

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chelsey Mackenzie's NPI number?

The NPI number for Chelsey Mackenzie is 1942987953. It was assigned to this individual provider in the NPPES registry on June 30, 2023. The provider is also known as Chelsey Hickerson.

Where is Chelsey Mackenzie located?

Chelsey Mackenzie practices at 621 S New Ballas Rd Ste 1015B, Saint Louis, MO 63141. The listed phone number is (314) 251-8965.

What is Chelsey Mackenzie's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Chelsey Mackenzie enrolled in Medicare?

Yes. Chelsey Mackenzie is registered in the Medicare PECOS enrollment system.

What insurance does Chelsey Mackenzie accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina and BlueCross BlueShield of South Carolina list Chelsey Mackenzie as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Chelsey Mackenzie was last updated on May 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.