Matthew Eric Viernes, MD - Medicare Gastroenterology in Oceanside, CA

Matthew Eric Viernes, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Oceanside, California. He went to University Of Wisconsin School Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice North County Gastroenterology Medical Group Inc and his current practice location is 3923 Waring Rd Ste A, Oceanside, California. You can reach out to his office (for appointments etc.) via phone at (760) 724-8782.

Matthew Eric Viernes is licensed to practice in California (license number A61516) 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 1730158650.

Contact Information

Matthew Eric Viernes, MD
3923 Waring Rd Ste A,
Oceanside, CA 92056-4499
(760) 724-8782
(760) 842-7801

Map and Direction




Physician's Profile

Full NameMatthew Eric Viernes
GenderMale
SpecialityGastroenterology
Experience29 Years
Location3923 Waring Rd Ste A, Oceanside, California
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:
  • Matthew Eric Viernes attended and graduated from University Of Wisconsin School Of Medicine in 1995
  NPI Data:
  • NPI Number: 1730158650
  • Provider Enumeration Date: 03/14/2006
  • Last Update Date: 02/25/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8820981517
  • Enrollment ID: I20100519000516

Medical Identifiers

Medical identifiers for Matthew Eric Viernes such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730158650NPI-NPPES
00A615160MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A61516 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tri-city Medical CenterOceanside, CAHospital
Pomerado HospitalPoway, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North County Gastroenterology Medical Group Inc64067491677

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. Matthew Eric Viernes allows following entities to bill medicare on his behalf.
Entity NameNorth County Gastroenterology Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710020201
PECOS PAC ID: 6406749167
Enrollment ID: O20040205000899

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. Matthew Eric Viernes 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
Matthew Eric Viernes, MD
3923 Waring Rd Ste A,
Oceanside, CA 92056-4499

Ph: (760) 724-8782
Matthew Eric Viernes, MD
3923 Waring Rd Ste A,
Oceanside, CA 92056-4499

Ph: (760) 724-8782

Reviews and Comments


Internal Medicine Doctors in Oceanside, CA

Javaid Ahmed Shad, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3923 Waring Rd Ste A, Oceanside, CA 92056
Phone: 760-724-8782    Fax: 760-842-7801
Dr. Mark K Yamanaka, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3907 Waring Rd Ste 2, Oceanside, CA 92056
Phone: 760-941-0221    Fax: 760-941-0905
David G. Antoun, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 4002 Vista Way, Oceanside, CA 92056
Phone: 760-724-8411    
Pratan Vathesatogkit, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 3231 Waring Ct, Suite D, Oceanside, CA 92056
Phone: 760-630-4833    Fax: 760-758-1980
Ian B Butler, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3231 Waring Ct Ste D, Oceanside, CA 92056
Phone: 760-941-0221    Fax: 760-941-0905
Dr. Christopher Davis, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 200 Mercy Circle, Oceanside, CA 92055
Phone: 760-725-7410    
Dr. Brian Daniel Tran, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 200 Mercy Circle, Oceanside, CA 92055
Phone: 760-725-1213    

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.