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RUTH D WILSON M.D.
NPI 1407822331
Internal Medicine in Napa, CA

Active since February 28, 2006PECOS EnrolledCLIA 05D1053563 · Waiver
980 TRANCAS ST, SUITE 12, NAPA, CA 94558(707) 255-3583(707) 255-3579 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ruth D Wilson M.d. NPPES

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

RUTH D WILSON M.D. (NPI 1407822331) is an individual internal medicine provider in Napa, California, licensed in California (G080389) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through April 26, 2028, and is a graduate of University Of Utah School Of Medicine (1993).

NPPES Registry Identity

NPI1407822331
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameRUTH D WILSONCredential: M.D.
Location Address980 TRANCAS ST, SUITE 12Napa, CA 94558-2933
Mailing Address980 Trancas St, Suite 12Napa, CA 94558-2933 · (707) 255-3583 · Fax (707) 255-3579
Phone(707) 255-3583
Fax(707) 255-3579
Sole ProprietorYes
Medical School CMSUniversity Of Utah School Of MedicineGraduated 1993
Enumeration DateFebruary 28, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1407822331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G080389
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.
980 TRANCAS ST, Napa, CA 94558
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Other Identifiers 1

Medicare UPING52013CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruth D Wilson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244266914
PECOS Enrollment IDI20050713001104
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1053563

Ruth Wilson MD · Napa, CA
Active · expires Apr 26, 2028
CLIA Number05D1053563
Laboratory TypePhysician Office
Certificate Effective DateApril 27, 2026
Certificate Expiration DateApril 26, 2028
Laboratory DirectorRuth Wilson
Laboratory Phone(707) 255-3583
Laboratory LocationRuth Wilson MD980 Trancas St #12, Napa, CA 94558
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 7

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
285 services106 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
78 services78 patients
Ultrasound study of arm and leg arteries 93922
An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.
74 services73 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
68 services67 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
46 services14 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
45 services35 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 4

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

SILVERADO PHARMACY INC
Pharmacy (Community/Retail Pharmacy)
980 TRANCAS ST
NAPA, CA 94558
Napa County (707) 224-2000
DR. STANLEY ALAN DITTMAN D.D.S.
Dentist
980 TRANCAS ST, SUITE 7
NAPA, CA 94558
Napa County (707) 226-2310
ROBERT D. URREA M.D.
Otolaryngology
980 TRANCAS ST, SUITE 10
NAPA, CA 94558
Napa County (707) 252-0990
DR. RICHARD LAWRENCE DELMONICO PHD
Clinical Neuropsychologist
980 TRANCAS ST, SUITE 5
NAPA, CA 94558
Napa County (707) 251-8610

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 Ruth Wilson's NPI number?

The NPI number for Ruth Wilson is 1407822331. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Ruth Wilson located?

Ruth Wilson practices at 980 Trancas St Suite 12, Napa, CA 94558. The listed phone number is (707) 255-3583.

What is Ruth Wilson's specialty?

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

Is Ruth Wilson enrolled in Medicare?

Yes. Ruth Wilson is registered in the Medicare PECOS enrollment system.

Does Ruth Wilson hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1053563) is associated with this NPI, valid through April 26, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ruth Wilson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.