Ruth Lim, MD - Medicare Diagnostic Radiology in New Haven, CT

Ruth Lim, MD is a medicare enrolled "Radiology - Diagnostic Radiology" physician in New Haven, Connecticut. She went to University Of Toronto, Faculty Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Diagnostic Radiology. She is a member of the group practice Yale University and her current practice location is 20 York St, New Haven, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 688-2433.

Ruth Lim is licensed to practice in Connecticut (license number 75882) 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 1609919174.

Contact Information

Ruth Lim, MD
20 York St,
New Haven, CT 06510-3220
(203) 688-2433
(203) 688-9258

Map and Direction




Physician's Profile

Full NameRuth Lim
GenderFemale
SpecialityDiagnostic Radiology
Experience25 Years
Location20 York St, New Haven, 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:
  • Ruth Lim attended and graduated from University Of Toronto, Faculty Of Medicine in 1999
  NPI Data:
  • NPI Number: 1609919174
  • Provider Enumeration Date: 02/15/2007
  • Last Update Date: 01/20/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6204806185
  • Enrollment ID: I20240219002602

Medical Identifiers

Medical identifiers for Ruth Lim such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609919174NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 75882 (Connecticut)Primary
2085R0202XRadiology - Diagnostic Radiology 220255 (Massachusetts)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yale-new Haven HospitalNew haven, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yale University94360617362238

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. Ruth Lim allows following entities to bill medicare on her behalf.
Entity NameYale University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205822236
PECOS PAC ID: 9436061736
Enrollment ID: O20031105000015

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. Ruth Lim 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
Ruth Lim, MD
20 York St,
New Haven, CT 06510-3220

Ph: (203) 688-2433
Ruth Lim, MD
20 York St,
New Haven, CT 06510-3220

Ph: (203) 688-2433

Reviews and Comments


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Phone: 203-688-2433    Fax: 203-688-9258

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.