MARY BRENNA MCMAHON LMSW
NPI 1558828897
Social Worker in Ann Arbor, MI

Active since February 22, 2019PECOS EnrolledAccepts Medicare Assignment
4260 PLYMOUTH RD, ANN ARBOR, MI 48109(734) 764-6831 Get Directions Write a Review

NPPES record last updated: October 1, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Oct 1, 2021, Feb 22, 2019 (2 updates tracked since 2019).

About Mary Brenna Mcmahon Lmsw NPPES

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

MARY BRENNA MCMAHON LMSW (NPI 1558828897) is an individual social worker in Ann Arbor, Michigan, licensed in Michigan (6801109270) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1558828897
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARY BRENNA MCMAHONCredential: LMSW
Location Address4260 PLYMOUTH RDAnn Arbor, MI 48109-2700
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateFebruary 22, 2019
Last NPPES UpdateOctober 1, 20212 updates tracked since enumeration
NPPES CertifiedJuly 28, 2021
NPI 1558828897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses Licensed in MI · 6801109270 Licensed in MI · 6801103757
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
4260 PLYMOUTH RD, Ann Arbor, MI 48109

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

Mary Brenna Mcmahon Lmsw 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 ID4587056833
PECOS Enrollment IDI20220118000838
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.

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230046
Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County
Emergency services Birthing friendly

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.

Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine (Geriatric Medicine)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Social Worker (Clinical)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Audiologist
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Student in an Organized Health Care Education/Training Program
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Psychiatry & Neurology (Neurology)
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Internal Medicine
4260 PLYMOUTH RD
ANN ARBOR, MI 48109
Nurse Practitioner
4260 PLYMOUTH RD
ANN ARBOR, MI 48109

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 Mcmahon's NPI number?

The NPI number for Mary Mcmahon is 1558828897. It was assigned to this individual provider in the NPPES registry on February 22, 2019.

Where is Mary Mcmahon located?

Mary Mcmahon practices at 4260 Plymouth Rd, Ann Arbor, MI 48109. The listed phone number is (734) 764-6831.

What is Mary Mcmahon's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Mary Mcmahon enrolled in Medicare?

Yes. Mary Mcmahon 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 Mary Mcmahon accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Mary Mcmahon 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.

Is Mary Mcmahon affiliated with any hospitals?

According to CMS data, Mary Mcmahon is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Mary Mcmahon was last updated on October 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.