Dr James Francis Duffy, MD - Medicare Internal Medicine in Gaithersburg, MD

Dr James Francis Duffy, MD is a medicare enrolled "Internal Medicine" physician in Gaithersburg, Maryland. His current practice location is 7 Metropolitan Ct, Suite 1, Gaithersburg, Maryland. You can reach out to his office (for appointments etc.) via phone at (240) 773-0300.

Dr James Francis Duffy is licensed to practice in Maryland (license number D0075386) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1174695266.

Contact Information

Dr James Francis Duffy, MD
7 Metropolitan Ct, Suite 1,
Gaithersburg, MD 20878-4016
(240) 773-0300
Not Available



Physician's Profile

Full NameDr James Francis Duffy
GenderMale
SpecialityInternal Medicine
Location7 Metropolitan Ct, Gaithersburg, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1174695266
  • Provider Enumeration Date: 11/14/2006
  • Last Update Date: 09/20/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 1759395742
  • Enrollment ID: I20230111002012

Medical Identifiers

Medical identifiers for Dr James Francis Duffy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174695266NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD30607 (District Of Columbia)Secondary
207R00000XInternal Medicine D0075386 (Maryland)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. Dr James Francis Duffy allows following entities to bill medicare on his behalf.
Entity NameScranton Primary Health Care Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801871579
PECOS PAC ID: 0941206650
Enrollment ID: O20061019000363

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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. Dr James Francis Duffy 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
Dr James Francis Duffy, MD
37th O Streets Nw Georgetown Univ Jesuit Community, Box 571200 - Wolfington Hall,
Washington, DC 20057-1200

Ph: (202) 687-4263
Dr James Francis Duffy, MD
7 Metropolitan Ct, Suite 1,
Gaithersburg, MD 20878-4016

Ph: (240) 773-0300

News Archive

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Case Western Reserve University School of Dental Medicine researchers found the human body is better at fighting gum disease when fat cells, which trigger inflammation, disappear.

Cardioxyl Pharmaceuticals achieves positive results in first clinical study of CXL-1020 for ADHF

Cardioxyl Pharmaceuticals, Inc., a clinical-stage pharmaceutical company developing novel therapeutic agents for the treatment of cardiovascular disease, today announced that it has achieved positive safety and tolerability results in the first clinical study of its lead drug candidate, CXL-1020, for the treatment of patients with acute decompensated heart failure. Each year in the United States, more than one million patients are hospitalized with acute heart failure.

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It happens slowly. Over time, a person's vision will get worse. Until one day, that person can no longer see. Glaucoma is the second leading cause of blindness in the United States and worldwide. Unfortunately, there is no cure. Once a person's vision is lost, it cannot be regained. That is why Dr. Bizer's VisionWorld is encouraging people to get an examination during Glaucoma Awareness Month.

Just in time for open enrollment, a new physician rating site

USA Today reports that the website uses about 500 million federal and private claims and patient reviews to rank doctors. Meanwhile, the failure of the $30 billion federal program to create interoperable electronic health record systems is examined by Politico.

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Internal Medicine Doctors in Gaithersburg, MD

Diane Mukherjee, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 7 Metropolitan Ct Ste 1, Gaithersburg, MD 20878
Phone: 240-773-0300    
Dr. Kathleen Frekko Farrell, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 818 West Diamond Avenue, Ste 130, Gaithersburg, MD 20878
Phone: 301-948-8780    Fax: 301-519-9093
Dr. Alan Vinitsky, M.D
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 902 Wind River Ln Ste 201, Gaithersburg, MD 20878
Phone: 301-840-0002    Fax: 301-417-0262
Qiufang Cheng, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16009 Comprint Cir, Gaithersburg, MD 20877
Phone: 301-339-8264    Fax: 301-339-8257
Dr. Tuanh Tonnu, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9057 Shady Grove Ct, Gaithersburg, MD 20877
Phone: 301-721-1614    Fax: 301-721-1624
Dr. Suhair A Abulfarag, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 604 S Frederick Ave Ste 413, Gaithersburg, MD 20877
Phone: 301-330-4414    Fax: 301-216-1637
Jesus Benjamin Untiveros, MEDICAL DEGREE
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 8903 Shady Grove Court, Gaithersburg, MD 20877
Phone: 301-330-4400    Fax: 301-330-7343

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