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

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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

Map and Direction




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 NameThe Westchester Medical Group, P.c
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881653822
PECOS PAC ID: 6406752963
Enrollment ID: O20050413001057

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

Reviews and Comments


Family Medicine Doctors in Norwalk, CT

Dr. Katherine Mathew, MD
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Practice Location: 637 West Ave, Norwalk, CT 06850
Phone: 203-276-7870    Fax: 203-276-7883
Dr. Joanna Fabris, M.D.
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Practice Location: 761 Main Ave Ste 101, Norwalk, CT 06851
Phone: 000-000-0000    
Mohammad Usman Ahmed, M.D.
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Phone: 203-276-7870    Fax: 203-276-7883
Dr. Syed Hyder Reza, M.D.
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Practice Location: 345 Main Ave, Pmcc, Norwalk, CT 06851
Phone: 203-849-7777    Fax: 203-846-4477
Dr. Kamilah Rose, M.D.
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Phone: 203-276-7870    Fax: 203-276-7883
Stella Arbitman, M.D., CCFP
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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

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.