MARY LOU RYAN (RNCS) – Psychiatric/Mental Health Registered Nurse, NPI 1578584843

MARY LOU RYAN (RNCS) is a healthcare provider. based in Somerville, Massachusetts. specializing in Psychiatric/Mental Health Registered Nurse. They hold the professional credentials RNCS. They hold a License No. 150000 (MA). The NPI Number for MARY LOU RYAN (RNCS) is 1578584843

Main info

Female
Sole Proprietor
44 Years Of Experience
Accepts Medicare Assignment
Name
MARY LOU RYAN (RNCS)
NPI
1578584843
Phone
(617) 629-6180
Address
40 HOLLAND ST
Enumeration Date
22 July 2006
Last Update Date
7 October 2010

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6176296000
Graduation Year
1982 (44 years ago)
PAC ID
6608767488
Group Practice PAC ID
4789588641
Professional Enrollment ID
I20040322001330
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for MARY LOU RYAN (RNCS)

  • Ivy Realty Group, 40, Holland Street, Davis Square, Somerville, Middlesex County, Massachusetts, 02144, United States

    HVMA

    SOMERVILLE, MA 021442705

    Phone: (617) 629-6180

    Fax: (617) 629-6041

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $22.

Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.

Last reported payment date: 2024-09-09 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($22).

Total Amount

$22

General + Research + Ownership

Payments

1

Total payment records

General Amount

$22

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-09-09

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02144)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4789588641View full group profile
NameSpecialtyState
-MA
Family PracticeMA
D E R M A T O L O G YMA
Emergency MedicineMA
Internal Medicine, Cardiovascular Disease (Cardiology)MA
-MA
O B S T E T R I C S/ G Y N E C O L O G YMA
-MA
Internal MedicineMA
O T O L A R Y N G O L O G YMA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What identifier follows MARY LOU RYAN (RNCS) across health systems?
The NPI 1578584843 uniquely identifies MARY LOU RYAN (RNCS) in U.S. healthcare data.
Should I treat MARY LOU RYAN (RNCS) as an active provider?
Patients and plans typically see MARY LOU RYAN (RNCS) as active in the national extract.
What type of care does MARY LOU RYAN (RNCS) provide?
MARY LOU RYAN (RNCS)'s profile centers on Psychiatric/Mental Health Registered Nurse. Clinical services aligned with this taxonomy classification.
Which community is linked to MARY LOU RYAN (RNCS)?
MARY LOU RYAN (RNCS) shows a connection to Somerville, Massachusetts in registry-derived data.
Why is information missing for MARY LOU RYAN (RNCS)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

Similar Providers

MICHELE KLAU

Psychiatric/Mental Health Registered Nurse
26, Central Street, Spring Hill, Somerville, Middlesex County, Massachusetts, 02143, United States
NPI: 1629135090

ROSEMARY KEAN

Psychiatric/Mental Health Registered Nurse
26, Central Street, Spring Hill, Somerville, Middlesex County, Massachusetts, 02143, United States
NPI: 1619034170

MR. PHILIP GUY AMISANO (R.N. B.S.N. C.M.T.)

Child & Adolescent Psychiatric/Mental Health Registered Nurse
5 HALL AVE
NPI: 1407983604

BENJAMIN MACRI (PMHNP-BC)

Psychiatric/Mental Health Nurse Practitioner
25, Staniford Street, Downtown Crossing, West End, Boston, Suffolk County, Massachusetts, 02114, United States
NPI: 1831411610

EMILY MAREK (RN)

Psychiatric/Mental Health Registered Nurse
59 PEARSON AVE FL 1
NPI: 1316358963

MRS. SARAH KUGLER PEIFER (PMHNP-BC)

Psychiatric/Mental Health Nurse Practitioner
55 FOGG RD
NPI: 1821440835

MISS MAEGHAN DILLON (MSN, PMHNP)

Psychiatric/Mental Health Registered Nurse
26 Central St
NPI: 1043736291

MS. JENNA LEE WESSELS

Psychiatric/Mental Health Nurse Practitioner
Hope Avenue, Riverview, Waltham, Middlesex County, Massachusetts, 02453, United States
NPI: 1013481290

JOSEPH LAVOIE (RN, APRN)

Psychiatric/Mental Health Nurse Practitioner
La Verde's, 84, Massachusetts Avenue, Central Square, Cambridgeport, Cambridge, Middlesex County, Massachusetts, 02238, United States
NPI: 1982168191