Mary Ann Santos, APRN CNP NEONATAL - Medicare Nurse Practitioner in Boston, MA

Mary Ann Santos, APRN CNP NEONATAL is a medicare enrolled "Nurse Practitioner - Neonatal" in Boston, Massachusetts. Her current practice location is 300 Longwood Ave, Boston, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (617) 335-6000.

Mary Ann Santos is licensed to practice in Massachusetts (license number CNP2272052) 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 1588905046.

Contact Information

Mary Ann Santos, APRN CNP NEONATAL
300 Longwood Ave,
Boston, MA 02115-5724
(617) 335-6000
Not Available

Map and Direction




Provider's Profile

Full NameMary Ann Santos
GenderFemale
SpecialityNurse Practitioner - Neonatal
Location300 Longwood Ave, Boston, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1588905046
  • Provider Enumeration Date: 03/08/2013
  • Last Update Date: 09/09/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0345510459
  • Enrollment ID: I20170724000834

Medical Identifiers

Medical identifiers for Mary Ann Santos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588905046NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LN0000XNurse Practitioner - Neonatal APRN00327 (Rhode Island)Secondary
363LN0000XNurse Practitioner - Neonatal CNP2272052 (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 Ann Santos allows following entities to bill medicare on her behalf.
Entity NameChildren's Hospital Pediatric Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457306664
PECOS PAC ID: 3476541830
Enrollment ID: O20040504000964
Entity NameBrigham & Womens Physicians Organization Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033535497
PECOS PAC ID: 3870405988
Enrollment ID: O20150107001260

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 Ann Santos 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 Ann Santos, APRN CNP NEONATAL
101 Dudley St, Mso,
Providence, RI 02905-2401

Ph: () -
Mary Ann Santos, APRN CNP NEONATAL
300 Longwood Ave,
Boston, MA 02115-5724

Ph: (617) 335-6000

Reviews and Comments


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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.