Mary Lou Ryan, RNCS - Medicare Registered Nurse in Somerville, MA

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Mary Lou Ryan, RNCS is a medicare enrolled "Registered Nurse - Psychiatric/mental Health" in Somerville, Massachusetts. Her current practice location is 40 Holland St, Somerville, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 629-6180.

Mary Lou Ryan is licensed to practice in Massachusetts (license number 150000) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1578584843.

Contact Information

Mary Lou Ryan, RNCS
40 Holland St,
Somerville, MA 02144-2705
(617) 629-6180
Not Available

Map and Direction




Provider's Profile

Full NameMary Lou Ryan
GenderFemale
SpecialityRegistered Nurse - Psychiatric/mental Health
Location40 Holland St, Somerville, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1578584843
  • Provider Enumeration Date: 07/22/2006
  • Last Update Date: 10/07/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6608767488
  • Enrollment ID: I20040322001330

Medical Identifiers

Medical identifiers for Mary Lou Ryan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1578584843NPI-NPPES
0036952OtherMANEIGHBORHOOD HEALTH PLAN
669498OtherMATUFTS HEALTH PLAN
PN0575OtherMABLUE CROSS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WP0808XRegistered Nurse - Psychiatric/mental Health 150000 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mary Lou Ryan allows following entities to bill medicare on her behalf.
Entity NameAtrius Health Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871639914
PECOS PAC ID: 4789588641
Enrollment ID: O20031121000582

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mary Lou Ryan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mary Lou Ryan, RNCS
40 Holland St, Hvma,
Somerville, MA 02144-2705

Ph: (617) 629-6180		Mary Lou Ryan, RNCS
40 Holland St,
Somerville, MA 02144-2705

Ph: (617) 629-6180

Reviews and Comments


Registered Nurse Nurses in Somerville, MA

Caitlin Martin, RN
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Practice Location: 337 Somerville Ave, Somerville, MA 02143
Phone: 617-575-5509    
Renee Christine Johnson, RN
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Medicare: Not Enrolled in Medicare
Practice Location: 236 Highland Ave, Somerville, MA 02143
Phone: 617-284-7000    
Lianne Lucontoni, R,N.
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Medicare: Not Enrolled in Medicare
Practice Location: 5 Middlesex Ave, Somerville, MA 02145
Phone: 617-665-1566    Fax: 617-665-2699
Debralee Quinn, MSN, RN
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Medicare: Not Enrolled in Medicare
Practice Location: 230 Highland Ave, Somerville Hospital, Somerville, MA 02143
Phone: 617-591-4500    
Mrs. Lolita Anne Roland, RN
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Medicare: Not Enrolled in Medicare
Practice Location: 26 Central St, Somerville, MA 02143
Phone: 617-591-0905    
Helen Abrego, RN
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Medicare: Not Enrolled in Medicare
Practice Location: 33 Tower St, Somerville, MA 02143
Phone: 617-665-1000    
Sarah Flavell, RN
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Medicare: Not Enrolled in Medicare
Practice Location: 401 Highland Ave, Somerville, MA 02144
Phone: 978-655-9686    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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