Troy Tweiten, MD - Medicare Internal Medicine in Cambridge, MA

Troy Tweiten, MD is a medicare enrolled "Hospitalist" physician in Cambridge, Massachusetts. He graduated from medical school in 2015 and has 9 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Catholic Health Initiatives Colorado and his current practice location is 300 Mount Auburn St, Cambridge, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 492-3500.

Troy Tweiten is licensed to practice in Colorado (license number DR.0068923) 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 1447634670.

Contact Information

Troy Tweiten, MD
300 Mount Auburn St,
Cambridge, MA 02138-5600
(617) 492-3500
Not Available

Map and Direction




Physician's Profile

Full NameTroy Tweiten
GenderMale
SpecialityInternal Medicine
Experience9 Years
Location300 Mount Auburn St, Cambridge, 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:
  • Troy Tweiten graduated from medical school in 2015
  NPI Data:
  • NPI Number: 1447634670
  • Provider Enumeration Date: 07/17/2015
  • Last Update Date: 01/29/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5991086175
  • Enrollment ID: I20230405002738

Medical Identifiers

Medical identifiers for Troy Tweiten such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447634670NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine DR.0068923 (Colorado)Secondary
207R00000XInternal Medicine 264249 (Massachusetts)Secondary
208M00000XHospitalist DR.0068923 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Longmont United HospitalLongmont, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Catholic Health Initiatives Colorado8022927342972

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. Troy Tweiten allows following entities to bill medicare on his behalf.
Entity NameCatholic Health Initiatives Colorado
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356783351
PECOS PAC ID: 8022927342
Enrollment ID: O20031215000462
Entity NamePortercare Adventist Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760761928
PECOS PAC ID: 0941110886
Enrollment ID: O20090115000327

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. Troy Tweiten 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
Troy Tweiten, MD
300 Mount Auburn St,
Cambridge, MA 02138-5600

Ph: (617) 492-3500
Troy Tweiten, MD
300 Mount Auburn St,
Cambridge, MA 02138-5600

Ph: (617) 492-3500

Reviews and Comments


Hospitalist Doctors in Cambridge, MA

Auddri Rahman, MD
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Medicare: Medicare Enrolled
Practice Location: 330 Mount Auburn St, Cambridge, MA 02138
Phone: 617-499-5112    Fax: 617-575-8608
Vikas Gampa,
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Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-665-3600    
Dr. Joseph Gene Omlor, MD
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Practice Location: 330 Mount Auburn St Ste 454, Cambridge, MA 02138
Phone: 617-492-3500    
Miss Janet O Yardley, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1493 Cambridge St, Macht B10, Cambridge, MA 02139
Phone: 617-665-1000    Fax: 617-665-1976
Abdul Qadir Dar, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 330 Mount Auburn St, Cambridge, MA 02138
Phone: 617-492-3500    
Dr. Erica Dwyer, MD, PHD
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Medicare: Accepting Medicare Assignments
Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-665-3555    
Dr. Soumya Narayan, MD
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Medicare: Medicare Enrolled
Practice Location: 1493 Cambridge St, Cambridge, MA 02139
Phone: 617-665-1000    

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.