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STACY S MALLARE
NPI 1639540420
Nurse Practitioner - Psychiatric/Mental Health in Owings Mills, MD

Active since October 19, 2015PECOS EnrolledAccepts Medicare Assignment
221 OLIVER HEIGHTS RD, OWINGS MILLS, MD 21117(410) 718-3213(980) 500-1063 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Stacy S Mallare NPPES

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

STACY S MALLARE (NPI 1639540420) is an individual psychiatric/mental health provider in Owings Mills, Maryland, licensed in Maryland (R186082) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1639540420
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSTACY S MALLARE
Location Address221 OLIVER HEIGHTS RDOwings Mills, MD 21117-5074
Mailing Address9722 Groffs Mill Dr # 735Owings Mills, MD 21117-6341 · (410) 718-3213 · Fax (980) 500-1063
Phone(410) 718-3213
Fax(980) 500-1063
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateOctober 19, 2015
Last NPPES UpdateJune 2, 2026
NPPES CertifiedJune 2, 2026
✔ NPI 1639540420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MD · R186082
221 OLIVER HEIGHTS RD, Owings Mills, MD 21117
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stacy S Mallare 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 ID547569865
PECOS Enrollment IDI20251028004386
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

2

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

Mallare And Associates, LLC
0.4 mi
Psychiatric/Mental Health
9722 GROFFS MILL DR # 735
Owings Mills, MD 21117
  • Reassigned Medicare billing, Maryland enrollment
NPI 1952105751 (410) 718-3213
Maryland Medical Specialists Inc
30 mi
Clinic/Center
133 ROLLINS AVE STE 3
Rockville, MD 20852
  • Reassigned Medicare billing, District of Columbia enrollment
  • 14 clinicians in this Medicare group
NPI 1245907252 (800) 557-8950

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 21117 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.

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 Stacy Mallare's NPI number?

The NPI number for Stacy Mallare is 1639540420. It was assigned to this individual provider in the NPPES registry on October 19, 2015.

Where is Stacy Mallare located?

Stacy Mallare practices at 221 Oliver Heights Rd, Owings Mills, MD 21117. The listed phone number is (410) 718-3213.

What is Stacy Mallare's specialty?

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

Is Stacy Mallare enrolled in Medicare?

Yes. Stacy Mallare 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.

Which organizations bill Medicare for Stacy Mallare's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Mallare reassigns Medicare benefits to 2 organizations: Mallare And Associates, LLC (Owings Mills, MD) and Maryland Medical Specialists Inc (Rockville, MD). 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 Stacy Mallare'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 Stacy Mallare was last updated on June 2, 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.