MS. MARY J BRENNAN APRN-BC
NPI 1699782623
Nurse Practitioner - Acute Care in Portland, ME

Active since August 02, 2006PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
10 ANDOVER RD, PORTLAND, ME 04102(207) 761-6642 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Ms. Mary J Brennan Aprn-bc NPPES

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

MS. MARY J BRENNAN APRN-BC (NPI 1699782623) is an individual acute care provider in Portland, Maine, licensed in Maine (CNP211468) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Portsmouth.

NPPES Registry Identity

NPI1699782623
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. MARY J BRENNANCredential: APRN-BC
Location Address10 ANDOVER RDPortland, ME 04102-1954
Mailing Address10 Andover RdPortland, ME 04102-1954 · (207) 761-6642
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateAugust 2, 2006
Last NPPES UpdateDecember 21, 2021
NPPES CertifiedDecember 21, 2021
NPI 1699782623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses Licensed in ME · CNP211468 Licensed in NH · 047934-23
Also ListedHospitalistTaxonomy 208M00000X · License 047934-23 (NH)
10 ANDOVER RD, Portland, ME 04102

Secondary Practice Location 1

Location 1333 Borthwick AvePortsmouth, NH 03801-7128 · Phone (603) 334-2039 · Fax (603) 433-5180

Other Identifiers 2

Medicaid30347119NH
Medicaid432951999ME

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

Ms. Mary J Brennan Aprn-bc 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 ID8729971908
PECOS Enrollment IDI20220210000817
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 13

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

Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Colon & Rectal Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Colon & Rectal Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Surgery
10 ANDOVER RD
PORTLAND, ME 04102
Nurse Practitioner
10 ANDOVER RD
PORTLAND, ME 04102

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 Mary Brennan's NPI number?

The NPI number for Mary Brennan is 1699782623. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Mary Brennan located?

Mary Brennan practices at 10 Andover Rd, Portland, ME 04102. The listed phone number is (207) 761-6642.

What is Mary Brennan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mary Brennan enrolled in Medicare?

Yes. Mary Brennan 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.

Is Mary Brennan affiliated with any hospitals?

According to CMS data, Mary Brennan is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Brennan was last updated on December 21, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.