Cynthia Llerena Sershen, FNP - Medicare Nurse Practitioner in Burlington, MA

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Cynthia Llerena Sershen, FNP is a medicare enrolled "Nurse Practitioner" in Burlington, Massachusetts. She graduated from nursing school in 2007 and has 18 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Lahey Clinic Inc and her current practice location is 41 Mall Rd, Burlington, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 744-8000.

Cynthia Llerena Sershen is licensed to practice in Massachusetts (license number RN266574) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1366614497.

Contact Information

Cynthia Llerena Sershen, FNP
41 Mall Rd,
Burlington, MA 01805-5019
(781) 744-8000
Not Available

Map and Direction




Provider's Profile

Full NameCynthia Llerena Sershen
GenderFemale
SpecialityNurse Practitioner
Experience18 Years
Location41 Mall Rd, Burlington, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Cynthia Llerena Sershen graduated from nursing school in 2007
  NPI Data:
  • NPI Number: 1366614497
  • Provider Enumeration Date: 03/28/2008
  • Last Update Date: 08/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7113064437
  • Enrollment ID: I20091019000606

Medical Identifiers

Medical identifiers for Cynthia Llerena Sershen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366614497NPI-NPPES
110086807AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 266574 (Massachusetts)Secondary
363L00000XNurse Practitioner RN266574 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Lahey Hospital & Medical Center, BurlingtonBurlington, MAHospital
Northeast Hospital CorporationBeverly, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lahey Clinic Inc22643365281268

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. Cynthia Llerena Sershen allows following entities to bill medicare on her behalf.
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538194980
PECOS PAC ID: 2264336528
Enrollment ID: O20031120000097
Entity NameMassachusetts Institute Of Technology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346308723
PECOS PAC ID: 5597658666
Enrollment ID: O20040203000789
Entity NameLahey Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063447316
PECOS PAC ID: 2264336528
Enrollment ID: O20040629001269
Entity NameSouth Boston Community Health Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669447413
PECOS PAC ID: 2062487291
Enrollment ID: O20040831000673
Entity NameDermatology Institute Of Boston Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225407406
PECOS PAC ID: 7315247178
Enrollment ID: O20151130001363
Entity NameBeth Israel Lahey Health Primary Care, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568292423
PECOS PAC ID: 7719291434
Enrollment ID: O20160517000441

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. Cynthia Llerena Sershen 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
Cynthia Llerena Sershen, FNP
Provider Enrollment 41 Mall Road,
Burlington, MA 01805-0001

Ph: () -		Cynthia Llerena Sershen, FNP
41 Mall Rd,
Burlington, MA 01805-5019

Ph: (781) 744-8000

Reviews and Comments


Nurse Practitioner Nurses in Burlington, MA

Marlene A Brady, NP-C
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Practice Location: 20 Wall St, Burlington, MA 01803
Phone: 781-221-2600    Fax: 781-221-2510
Thais Bitencourt Roberts, AGNP
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Practice Location: 41 Mall Rd, Burlington, MA 01805
Phone: 781-744-8000    
Deirdre Johanna Burke, NP, MPH
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Phone: 781-653-4281    
Corinne Prigo, NP
Nurse Practitioner
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Practice Location: 41 Mall Rd, Burlington, MA 01805
Phone: 781-744-8000    
Kayleigh Cavender,
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 41 Burlington Mall Road, Burlington, MA 01805
Phone: 781-744-5100    
Nicole Annette Clarke Jagodowski,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 20 Wall St, Burlington, MA 01803
Phone: 781-221-2800    
Mrs. Jennifer Frias, CNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 41 Mall Rd, Burlington, MA 01805
Phone: 781-744-8132    Fax: 781-744-2273

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.