Mary Ryan, RNCS
NPI 1578584843 · Psychiatric/Mental Health Registered Nurse · Somerville, MA
Mary Ryan, RNCS is a Psychiatric/Mental Health Registered Nurse provider in Somerville, MA (NPI 1578584843).
Provider details
- NPI number
- 1578584843
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RNCS
- Sex
- Female
- Sole proprietor
- Yes
- License
- 150000 (MA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-22
- Last updated
- 2010-10-07
Frequently asked questions
- What is Mary Ryan's NPI number?
- Mary Ryan's National Provider Identifier (NPI) is 1578584843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ryan's specialty?
- Mary Ryan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Mary Ryan located?
- Mary Ryan's practice location on file with NPPES is 40 Holland St, Somerville, MA 02144-2705.
- What is Mary Ryan's phone number?
- The practice phone number listed in the NPPES registry for Mary Ryan is (617) 629-6180.
- Is Mary Ryan's NPI active?
- Yes — Mary Ryan's NPI (1578584843) is active in the NPPES registry as of the last update on 2010-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.