Gerardo Trejo Jr, MD, MHS - Medicare Family Medicine in Norwalk, CT

Gerardo Trejo Jr, MD, MHS is a medicare enrolled "Family Medicine" physician in Norwalk, Connecticut. His current practice location is 542 Westport Ave, Norwalk, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 845-4800.

Gerardo Trejo Jr is licensed to practice in Connecticut (license number 65347) 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 1932545423.

Contact Information

Gerardo Trejo Jr, MD, MHS
542 Westport Ave,
Norwalk, CT 06851-4431
(203) 845-4800
Not Available



Physician's Profile

Full NameGerardo Trejo Jr
GenderMale
SpecialityFamily Medicine
Location542 Westport Ave, Norwalk, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1932545423
  • Provider Enumeration Date: 05/11/2013
  • Last Update Date: 02/29/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7719296615
  • Enrollment ID: I20230906001164

Medical Identifiers

Medical identifiers for Gerardo Trejo Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932545423NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 324744 (New York)Secondary
207Q00000XFamily Medicine 65347 (Connecticut)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. Gerardo Trejo Jr allows following entities to bill medicare on his behalf.
Entity NameWestchester Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881653822
PECOS PAC ID: 6406752963
Enrollment ID: O20050413001057

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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. Gerardo Trejo Jr 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
Gerardo Trejo Jr, MD, MHS
1345 Avenue Of The Americas Fl 8,
New York, NY 10105-0018

Ph: (908) 588-3635
Gerardo Trejo Jr, MD, MHS
542 Westport Ave,
Norwalk, CT 06851-4431

Ph: (203) 845-4800

News Archive

Study provides insight into developing new treatment strategies for triple-negative breast cancer

A new study by University of Kentucky researchers provides insight into developing new treatment strategies for basal-like breast cancer, commonly known as triple-negative breast cancer. This cancer is associated with early metastasis and resistance to chemotherapy and occurs at women at a younger age.

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Family Medicine Doctors in Norwalk, CT

Dr. Katherine Mathew, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 637 West Ave, Norwalk, CT 06850
Phone: 203-276-7870    Fax: 203-276-7883
Dr. Joanna Fabris, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 761 Main Ave Ste 101, Norwalk, CT 06851
Phone: 000-000-0000    
Mohammad Usman Ahmed, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 637 West Ave, Norwalk, CT 06850
Phone: 203-276-7870    Fax: 203-276-7883
Dr. Syed Hyder Reza, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 345 Main Ave, Pmcc, Norwalk, CT 06851
Phone: 203-849-7777    Fax: 203-846-4477
Dr. Kamilah Rose, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 637 West Ave, Norwalk, CT 06850
Phone: 203-276-7870    Fax: 203-276-7883
Stella Arbitman, M.D., CCFP
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 761 Main Ave, Suite 201, Norwalk, CT 06851
Phone: 203-838-4000    Fax: 203-845-9535
John A Svogun, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 761 Main Ave, Suite 201, Norwalk, CT 06851
Phone: 203-838-4000    Fax: 203-845-9535

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