MACKENZIE MULLEN ROSS NP
NPI 1033627237
Nurse Practitioner - Psychiatric/Mental Health in Portland, ME

Active since January 22, 2018PECOS EnrolledAccepts Medicare Assignment
165 LANCASTER ST, PORTLAND, ME 04101(207) 874-1030(207) 874-1044 Get Directions Write a Review

NPPES record last updated: January 13, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 13, 2020, Dec 14, 2018, Oct 12, 2018 (3 updates tracked since 2018).

About Mackenzie Mullen Ross Np NPPES

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

MACKENZIE MULLEN ROSS NP (NPI 1033627237) is an individual psychiatric/mental health provider in Portland, Maine, licensed in Maine (CNP191293) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1033627237
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMACKENZIE MULLEN ROSSCredential: NP
Location Address165 LANCASTER STPortland, ME 04101-2406
Mailing Address165 Lancaster StPortland, ME 04101-2406 · (207) 874-1030 · Fax (207) 874-1044
Fax(207) 874-1044
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJanuary 22, 2018
Last NPPES UpdateJanuary 13, 20203 updates tracked since enumeration
NPI 1033627237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in ME · CNP191293 Licensed in MA · 2312246
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License RN2312246 (MA)
165 LANCASTER ST, Portland, ME 04101

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mackenzie Mullen Ross Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3274878509
PECOS Enrollment IDI20181214001193
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
35 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
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 20

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

Counselor (Professional)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Counselor (Professional)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Psychiatry & Neurology (Child & Adolescent Psychiatry)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Social Worker (Clinical)
165 LANCASTER ST
PORTLAND, ME 04101
Counselor (Professional)
165 LANCASTER ST
PORTLAND, ME 04101

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 Ross's NPI number?

The NPI number for Mackenzie Ross is 1033627237. It was assigned to this individual provider in the NPPES registry on January 22, 2018.

Where is Mackenzie Ross located?

Mackenzie Ross practices at 165 Lancaster St, Portland, ME 04101. The listed phone number is (207) 874-1030.

What is Mackenzie Ross's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mackenzie Ross enrolled in Medicare?

Yes. Mackenzie Ross is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mackenzie Ross accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Mackenzie Ross 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 Mackenzie Ross was last updated on January 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.