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DR. DAVID VIERRA JR. MD
NPI 1467030619
Internal Medicine in Napa, CA

Active since March 30, 2021PECOS EnrolledAccepts Medicare Assignment
1000 TRANCAS ST, NAPA, CA 94558(707) 252-4411 Get Directions Write a Review

NPPES record last updated: July 24, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 24, 2024, Mar 30, 2021 (2 updates tracked since 2021).

About Dr. David Vierra Jr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID VIERRA JR. MD (NPI 1467030619) is an individual internal medicine provider in Napa, California, licensed in California (A197720) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Salem, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1467030619
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DAVID VIERRA JR.Credential: MD
Location Address1000 TRANCAS STNapa, CA 94558-2906
Mailing Address1000 Trancas StNapa, CA 94558-2906 · (707) 252-4411
Phone(707) 252-4411
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 30, 2021
Last NPPES UpdateJuly 24, 20242 updates tracked since enumeration
NPPES CertifiedJuly 24, 2024
✔ NPI 1467030619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A197720
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 TRANCAS ST, Napa, CA 94558
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Secondary Practice Location 1

Location 11900 Electric RdSalem, VA 24153-7494 · Phone (540) 577-5874

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. David Vierra Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628477718
PECOS Enrollment IDI20240906003037
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
55 services54 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
38 services24 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94558 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$145.99 typical visit price
range $65.08 – $192.16
Typical copayment $36.49 (range $16.27 – $48.04)
Most-billed visit code 99204
Established Patient
$113.15 typical visit price
range $21.86 – $157.83
Typical copayment $28.28 (range $5.46 – $39.45)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC
General Acute Care Hospital
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 252-4411
MICHAEL V. WAGNER MD
Obstetrics & Gynecology
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 252-4411
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC
General Acute Care Hospital
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 252-4411
ALYSSA MARIE CHIONGLO PHARMD, BCPS
Pharmacist
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 257-4048
VINEYARD PATHOLOGY ASSOCIATES INC
Pathology (Anatomic Pathology & Clinical Pathology)
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 257-4076
AMIR BEHZAD RAZAVI M.D.
Hospitalist
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 251-3518
M. ATCHISON CRNA INC, A PROFESSIONAL NURSING CORP.
Nurse Anesthetist, Certified Registered
1000 TRANCAS ST, QUEEN OF THE VALLEY HOSPITAL
NAPA, CA 94558
Napa County (707) 228-2901
LAWRENCE THOMPSON MD
Pathology (Anatomic Pathology & Clinical Pathology)
1000 TRANCAS ST
NAPA, CA 94558
Napa County (707) 252-4411

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Vierra's NPI number?

The NPI number for David Vierra is 1467030619. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is David Vierra located?

David Vierra practices at 1000 Trancas St, Napa, CA 94558. The listed phone number is (707) 252-4411.

What is David Vierra's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is David Vierra enrolled in Medicare?

Yes. David Vierra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for David Vierra was last updated on July 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.