Richard S Irwin, MD - Medicare Pulmonary Disease in Worcester, MA

Richard S Irwin, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Worcester, Massachusetts. He went to Tufts University School Of Medicine and graduated in 1968 and has 56 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Umass Memorial Medical Group Inc and his current practice location is 55 Lake Ave N, Department Of Pulmonary Medicine, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 856-1919.

Richard S Irwin is licensed to practice in Massachusetts (license number 43633) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1619950722.

Contact Information

Richard S Irwin, MD
55 Lake Ave N, Department Of Pulmonary Medicine,
Worcester, MA 01655-0002
(508) 856-1919
(508) 856-3999

Map and Direction




Physician's Profile

Full NameRichard S Irwin
GenderMale
SpecialityPulmonary Disease
Experience56 Years
Location55 Lake Ave N, Worcester, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Richard S Irwin attended and graduated from Tufts University School Of Medicine in 1968
  NPI Data:
  • NPI Number: 1619950722
  • Provider Enumeration Date: 11/22/2005
  • Last Update Date: 11/13/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0042229007
  • Enrollment ID: I20060419000549

Medical Identifiers

Medical identifiers for Richard S Irwin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619950722NPI-NPPES
110038013AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 43633 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Umass Memorial Medical Center/university CampusWorcester, MAHospital
Umass Memorial Healthcare-marlborough HospitalMarlborough, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Umass Memorial Medical Group Inc42845398911898

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. Richard S Irwin allows following entities to bill medicare on his behalf.
Entity NameUmass Memorial Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267

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. Richard S Irwin 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
Richard S Irwin, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: () -
Richard S Irwin, MD
55 Lake Ave N, Department Of Pulmonary Medicine,
Worcester, MA 01655-0002

Ph: (508) 856-1919

Reviews and Comments


Internal Medicine Doctors in Worcester, MA

Dr. Adepeju Gbadebo Champion, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-2731    Fax: 774-442-4672
Madaiah Lokeshwari, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-6849    
Sowmya Korapati,
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Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-3550    Fax: 774-442-6715
Irma Nadeem Hashmi, DO
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Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Dr. Madhav Sharma, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-5438    
Daniel M Steigman, MD
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Medicare: Medicare Enrolled
Practice Location: 123 Summer Street, Suite 390, Worcester, MA 01608
Phone: 508-368-3120    Fax: 508-368-3121
Dr. Julia D Andrieni, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 55 Lake Ave N, Department Of General Medicine, Worcester, MA 01655
Phone: 508-334-2731    

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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.

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