MS. MARYANN LYONS FNP
NPI 1477857993
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

Active since December 23, 2010PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 5, 2026, Dec 18, 2025, Mar 21, 2019 (3 updates tracked since 2019).

About Ms. Maryann Lyons Fnp NPPES

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

MS. MARYANN LYONS FNP (NPI 1477857993) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (211254) and active in the NPI registry since December 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Concord, and is a graduate of George Washington University School Of Medicine (2010).

NPPES Registry Identity

NPI1477857993
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. MARYANN LYONSCredential: FNP
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address30 Domino DrConcord, MA 01742-2802 · (857) 229-2852 · Fax (857) 216-6588
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2010
Enumeration DateDecember 23, 2010
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
NPI 1477857993 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
License Licensed in MA · 211254
Also ListedNurse PractitionerTaxonomy 363L00000X · License 211254 (MA)
300 LONGWOOD AVE, Boston, MA 02115

Secondary Practice Location 1

Location 130 Domino DrConcord, MA 01742-2802 · Phone (857) 229-2852 · Fax (857) 216-6588

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

Ms. Maryann Lyons Fnp 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 ID4789624453
PECOS Enrollment IDI20190404001707
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Maryann Lyons's NPI number?

The NPI number for Maryann Lyons is 1477857993. It was assigned to this individual provider in the NPPES registry on December 23, 2010.

Where is Maryann Lyons located?

Maryann Lyons practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Maryann Lyons's specialty?

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

Is Maryann Lyons enrolled in Medicare?

Yes. Maryann Lyons 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 Maryann Lyons accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Maryann Lyons 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 Maryann Lyons was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.