Karen S Guadagnini, MD - Medicare Internal Medicine in Bristol, CT

Karen S Guadagnini, MD is a medicare enrolled "Internal Medicine" physician in Bristol, Connecticut. She went to Rutgers New Jersey Medical School and graduated in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Lianne Inc and her current practice location is 102 North St, Bristol, Connecticut. You can reach out to her office (for appointments etc.) via phone at (860) 314-2082.

Karen S Guadagnini is licensed to practice in Connecticut (license number 034917) 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 1316934185.

Contact Information

Karen S Guadagnini, MD
102 North St,
Bristol, CT 06010-4190
(860) 314-2082
(860) 314-8133

Map and Direction




Physician's Profile

Full NameKaren S Guadagnini
GenderFemale
SpecialityInternal Medicine
Experience38 Years
Location102 North St, Bristol, Connecticut
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:
  • Karen S Guadagnini attended and graduated from Rutgers New Jersey Medical School in 1986
  NPI Data:
  • NPI Number: 1316934185
  • Provider Enumeration Date: 10/05/2005
  • Last Update Date: 02/22/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1951366798
  • Enrollment ID: I20160314001704

Medical Identifiers

Medical identifiers for Karen S Guadagnini such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316934185NPI-NPPES
001349176MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 034917 (Connecticut)Primary
207RA0401XInternal Medicine - Addiction Medicine 034917 (Connecticut)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adcare Hospital Of Worcester IncWorcester, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lianne Inc458788936512

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. Karen S Guadagnini allows following entities to bill medicare on her behalf.
Entity NameLianne Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457773541
PECOS PAC ID: 4587889365
Enrollment ID: O20140711000113

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. Karen S Guadagnini 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
Karen S Guadagnini, MD
Po Box 2828,
Bristol, CT 06011-2828

Ph: (860) 585-3906
Karen S Guadagnini, MD
102 North St,
Bristol, CT 06010-4190

Ph: (860) 314-2082

Reviews and Comments


Internal Medicine Doctors in Bristol, CT

Ronald S Green, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 25 Newell Rd, Suite E-36, Bristol, CT 06010
Phone: 860-583-9252    Fax: 860-585-9848
Daniel Norman Smiley, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 25 Newell Rd, Suite E-36, Bristol, CT 06010
Phone: 860-583-9252    Fax: 860-585-9848
Dr. Michael Owen Richards, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 41 Brewster Rd, Bristol, CT 06010
Phone: 860-585-3000    
Michael Stephen Ptaszynski, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 25 Newell Rd, #d-25, Bristol, CT 06010
Phone: 860-314-6020    Fax: 860-314-6024
Dr. Robert C Debiase, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 25 Newell Rd, Suite D24, Bristol, CT 06010
Phone: 860-582-3235    Fax: 860-582-0692
Dr. Nandini Ravindra Menon, M.D
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 123 Maple St, Bristol, CT 06010
Phone: 860-584-8021    Fax: 860-584-9021
Christopher Wakem, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 44 Brewster Road, Hem/oncology Dept., Level A, Bristol, CT 06010
Phone: 860-585-3000    Fax: 860-585-3907

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.