MACKENZIE KATE POWELL CNM
NPI 1679037204
Advanced Practice Midwife in Cambridge, MA

Q: What is Mackenzie Powell's NPI number?

The NPI number for Mackenzie Powell is 1679037204. It was assigned to this individual provider in the NPPES registry on January 28, 2019. The provider is also known as Mackenzie Miller Cnm.

Q: What is Mackenzie Powell's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mackenzie Powell was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 28, 2019PECOS Enrolled

330 MOUNT AUBURN ST FL 1, CAMBRIDGE, MA 02138(617) 499-5151 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 4, 2026, Jan 28, 2019 (2 updates tracked since 2019).

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About Mackenzie Kate Powell Cnm NPPES

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

MACKENZIE KATE POWELL CNM (NPI 1679037204) is an individual advanced practice midwife in Cambridge, Massachusetts, licensed in Massachusetts (RN2329792) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679037204

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameMACKENZIE KATE POWELLCredential: CNM

Location Address330 MOUNT AUBURN ST FL 1Cambridge, MA 02138-5502

Mailing Address330 Mount Auburn St # 2Cambridge, MA 02138-5597 · (617) 499-5741 · Fax (617) 499-5620

Phone(617) 499-5151

Sole ProprietorNo

Enumeration DateJanuary 28, 2019

Last NPPES UpdateJune 4, 20262 updates tracked since enumeration

NPPES CertifiedJune 4, 2026

✔ NPI 1679037204 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 MA · RN2329792

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.

330 MOUNT AUBURN ST FL 1, Cambridge, MA 02138

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Other Names 1

Former Name (1)Mackenzie Miller Cnm

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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.

Medicare Billing Reassignments

Medicare enrollment records show Mackenzie Powell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mount Auburn Professional Services Inc

Same address

Internal Medicine

330 MOUNT AUBURN ST
Cambridge, MA 02138

Reassigned Medicare billing, Massachusetts enrollment
423 clinicians in this Medicare group

NPI 1992750996 (617) 499-5654

Jordan Physician Associates, Inc.

39 mi

Family Medicine

275 SANDWICH ST
Plymouth, MA 02360

Reassigned Medicare billing, Massachusetts enrollment
239 clinicians in this Medicare group

NPI 1538145131 (508) 830-2401

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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. ALYSSA MARIE SPINZOLA PA-C

Physician Assistant

330 MOUNT AUBURN ST FL 1
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5151

AMANDA WARREN ABBOTT CNM, LCSW

Social Worker (Clinical)

330 MOUNT AUBURN ST FL 1
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5151

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 Mackenzie Powell's NPI number?

The NPI number for Mackenzie Powell is 1679037204. It was assigned to this individual provider in the NPPES registry on January 28, 2019. The provider is also known as Mackenzie Miller Cnm.

Where is Mackenzie Powell located?

Mackenzie Powell practices at 330 Mount Auburn St Fl 1, Cambridge, MA 02138. The listed phone number is (617) 499-5151.

What is Mackenzie Powell's specialty?

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

Is Mackenzie Powell enrolled in Medicare?

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

Which organizations bill Medicare for Mackenzie Powell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Powell reassigns Medicare benefits to 2 organizations: Mount Auburn Professional Services Inc (Cambridge, MA) and Jordan Physician Associates, Inc. (Plymouth, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mackenzie Powell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mackenzie Powell was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.