Mrs Catherine Mattei-williams, APRN, RNCS - Medicare Clinical Nurse Specialist in Somerville, MA

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Mrs Catherine Mattei-williams, APRN, RNCS is a medicare enrolled "Clinical Nurse Specialist - Psychiatric/mental Health, Adult" in Somerville, Massachusetts. Her current practice location is 26 Central St, Somerville, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 591-6377.

Mrs Catherine Mattei-williams is licensed to practice in Indiana (license number 70000133A) 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 1982791364.

Contact Information

Mrs Catherine Mattei-williams, APRN, RNCS
26 Central St,
Somerville, MA 02143-2827
(617) 591-6377
Not Available

Map and Direction




Provider's Profile

Full NameMrs Catherine Mattei-williams
GenderFemale
SpecialityClinical Nurse Specialist - Psychiatric/mental Health, Adult
Location26 Central 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: 1982791364
  • Provider Enumeration Date: 10/06/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9830377373
  • Enrollment ID: I20110701000284

Medical Identifiers

Medical identifiers for Mrs Catherine Mattei-williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982791364NPI-NPPES
28128250AOtherNYREGISTERED NURSE
70000133AOtherINCLINICAL NURSE SPECIALIST

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
364SP0813XClinical Nurse Specialist - Psychiatric/mental Health, Geropsychiatric 078750-23 (New Hampshire)Secondary
364S00000XClinical Nurse Specialist RN2297886 (Massachusetts)Secondary
364SP0813XClinical Nurse Specialist - Psychiatric/mental Health, Geropsychiatric 70000133A (Hawaii)Secondary
364SP0809XClinical Nurse Specialist - Psychiatric/mental Health, Adult 70000133A (Indiana)Primary
364SP0808XClinical Nurse Specialist - Psychiatric/mental Health 078750-23 (New Hampshire)Secondary

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. Mrs Catherine Mattei-williams allows following entities to bill medicare on her behalf.
Entity NameCummins Behavioral Health Systems, Incorporated
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740232115
PECOS PAC ID: 1850296302
Enrollment ID: O20031206000039

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. Mrs Catherine Mattei-williams 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
Mrs Catherine Mattei-williams, APRN, RNCS
5101 E Us Highway 36, Ste 100,
Avon, IN 46123-6646

Ph: (603) 889-6147		Mrs Catherine Mattei-williams, APRN, RNCS
26 Central St,
Somerville, MA 02143-2827

Ph: (617) 591-6377

Reviews and Comments


Clinical Nurse Specialist Nurses in Somerville, MA

Mrs. Nicolette M Waite, RN, BSN
Clinical Nurse Specialist
Medicare: Not Enrolled in Medicare
Practice Location: 300 Broadway, Somerville, MA 02145
Phone: 617-284-7000    
Ms. Elizabeth Irene Malvey, APRN
Clinical Nurse Specialist
Medicare: Accepting Medicare Assignments
Practice Location: 26 Central St, Cambridge Health Alliance, Somerville, MA 02143
Phone: 617-591-6127    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.