Dr David Vierra Jr, MD - Medicare Hospitalist in Napa, CA

Dr David Vierra Jr, MD is a medicare enrolled "Internal Medicine" physician in Napa, California. He graduated from medical school in 2020 and has 5 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Providence Medical Foundation and his current practice location is 1000 Trancas St, Napa, California. You can reach out to his office (for appointments etc.) via phone at (707) 252-4411.

Dr David Vierra Jr is licensed to practice in California (license number A197720) 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 1467030619.

Contact Information

Dr David Vierra Jr, MD
1000 Trancas St,
Napa, CA 94558-2906
(707) 252-4411
Not Available

Map and Direction




Physician's Profile

Full NameDr David Vierra Jr
GenderMale
SpecialityHospitalist
Experience5 Years
Location1000 Trancas St, Napa, 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:
  • Dr David Vierra Jr graduated from medical school in 2020
  NPI Data:
  • NPI Number: 1467030619
  • Provider Enumeration Date: 03/30/2021
  • Last Update Date: 07/24/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8628477718
  • Enrollment ID: I20240906003037

Medical Identifiers

Medical identifiers for Dr David Vierra Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467030619NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A197720 (California)Primary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Queen Of The Valley Medical CenterNapa, CAHospital
Petaluma Valley HospitalPetaluma, CAHospital
Sonoma Valley HospitalSonoma, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Medical Foundation89219932051329

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 David Vierra Jr allows following entities to bill medicare on his behalf.
Entity NameProvidence Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285890624
PECOS PAC ID: 8921993205
Enrollment ID: O20040216001346

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 David Vierra 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
Dr David Vierra Jr, MD
1000 Trancas St,
Napa, CA 94558-2906

Ph: (707) 252-4411
Dr David Vierra Jr, MD
1000 Trancas St,
Napa, CA 94558-2906

Ph: (707) 252-4411

Reviews and Comments


Internal Medicine Doctors in Napa, CA

Marvin D. Sakakihara, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3285 Claremont Way, Napa, CA 94558
Phone: 707-258-2500    
Ali Akhavan, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2100 Napa Vallejo Hwy, Napa, CA 94558
Phone: 707-253-5000    Fax: 805-466-6011
Dr. Thomas T. Paukert, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3443 Villa Ln, Suite 6, Napa, CA 94558
Phone: 707-252-8407    Fax: 707-252-8335
Mr. Daryl Russell Dizmang, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 935 Trancas St, Suite 3a, Napa, CA 94558
Phone: 707-253-7861    Fax: 707-253-8106
Maia Eng, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1100 Trancas St Ste 240, Napa, CA 94558
Phone: 707-253-1036    
Ronald E Julis, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3273 Claremont Way Ste 201, Napa, CA 94558
Phone: 707-252-0313    Fax: 707-252-0320
Amir Behzad Razavi, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Trancas St, Napa, CA 94558
Phone: 707-251-3518    

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.