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MR. PATRICK MICHAEL MAHON ACNPC-AG, PMHNP-BC
NPI 1124610928
Nurse Practitioner - Psychiatric/Mental Health in Reisterstown, MD

Active since February 03, 2021PECOS Enrolled
76.58/100
CMS Quality Rating
202 MAIN ST STE 4, REISTERSTOWN, MD 21136(410) 449-0182(410) 297-0728 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 5, 2026, Jan 15, 2026, Feb 18, 2021 and 1 more (4 updates tracked since 2021).

About Mr. Patrick Michael Mahon Acnpc-ag, Pmhnp-bc NPPES

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

MR. PATRICK MICHAEL MAHON ACNPC-AG, PMHNP-BC (NPI 1124610928) is an individual psychiatric/mental health provider in Reisterstown, Maryland, licensed in Maryland (R224708) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1124610928
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. PATRICK MICHAEL MAHONCredential: ACNPC-AG, PMHNP-BC
Location Address202 MAIN ST STE 4Reisterstown, MD 21136-1214
Mailing Address202 Main St Ste 4Reisterstown, MD 21136-1214 · (410) 449-0182 · Fax (410) 297-0728
Phone(410) 449-0182
Fax(410) 297-0728
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateFebruary 3, 2021
Last NPPES UpdateFebruary 24, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2026
✔ NPI 1124610928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MD · R224708
Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License R224708 (MD)
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License R224708 (MD)
202 MAIN ST STE 4, Reisterstown, MD 21136
Open in Google Maps ↗

Secondary Practice Location 1

Location 12401 W Belvedere AveBaltimore, MD 21215-5270 · Phone (410) 601-9000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Patrick Michael Mahon Acnpc-ag, Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2264831437
PECOS Enrollment IDI20210521000019
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 2

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.

Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
50 services25 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
37 services25 patients

Hospital Affiliations CMS Care Compare

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

Sinai Hospital Of Baltimore

Acute Care Hospitals · Baltimore, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210012
Location2401 West Belvedere AvenueBaltimore, MD 21215 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21136 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

76.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.56
Promoting Interoperability100
Improvement Activities40
Cost48.54

Other Providers at the Same Location NPPES

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

VERITAS PSYCHIATRY & WELLNESS, LLC
Nurse Practitioner
202 MAIN ST STE 4
REISTERSTOWN, MD 21136
Baltimore County (410) 449-0182

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 Patrick Mahon's NPI number?

The NPI number for Patrick Mahon is 1124610928. It was assigned to this individual provider in the NPPES registry on February 3, 2021.

Where is Patrick Mahon located?

Patrick Mahon practices at 202 Main St Ste 4, Reisterstown, MD 21136. The listed phone number is (410) 449-0182.

What is Patrick Mahon's specialty?

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

Is Patrick Mahon enrolled in Medicare?

Yes. Patrick Mahon is registered in the Medicare PECOS enrollment system.

Is Patrick Mahon affiliated with any hospitals?

According to CMS data, Patrick Mahon is affiliated with Sinai Hospital Of Baltimore.

When was this NPI record last updated?

The NPPES record for Patrick Mahon was last updated on February 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.