DR. THOMAS CHARLES JOHNSON D.M.D.
NPI 1750470688
Dentist - General Practice in Napa, CA

Active since October 11, 2006Opted out of Medicare · through Feb 16, 2028
3434 VILLA LN, SUITE 100, NAPA, CA 94558(707) 255-3007(707) 255-2820 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thomas Charles Johnson D.m.d. NPPES

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

DR. THOMAS CHARLES JOHNSON D.M.D. (NPI 1750470688) is an individual general practice provider in Napa, California, licensed in California (32645) and active in the NPI registry since October 2006. He has opted out of Medicare through February 16, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1750470688
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. THOMAS CHARLES JOHNSONCredential: D.M.D.
Location Address3434 VILLA LN, SUITE 100Napa, CA 94558-6414
Mailing Address1375 Hillview LnNapa, CA 94558-9789
Fax(707) 255-2820
Sole ProprietorNo
Enumeration DateOctober 11, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1750470688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in CA · 32645
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
3434 VILLA LN, Napa, CA 94558

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Thomas Charles Johnson D.m.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 16, 2016 through February 16, 2028.

Opt-Out Effective DateFebruary 16, 2016
Opt-Out In Effect ThroughFebruary 16, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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
$98.97 typical visit price
range $65.08 – $192.16
Typical copayment $24.74 (range $16.27 – $48.04)
Most-billed visit code 99203
Established Patient
$80.32 typical visit price
range $21.86 – $157.83
Typical copayment $20.08 (range $5.46 – $39.45)
Most-billed visit code 99213
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 18

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

Physician Assistant (Medical)
3434 VILLA LN, SUITE 150
NAPA, CA 94558
Dentist (Orthodontics and Dentofacial Orthopedics)
3434 VILLA LN, SUITE 110
NAPA, CA 94558
Dentist (Periodontics)
3434 VILLA LN, SUITE 160
NAPA, CA 94558
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3434 VILLA LN, STE 280
NAPA, CA 94558
Dentist (General Practice)
3434 VILLA LN, SUITE 100
NAPA, CA 94558
Pain Medicine (Pain Medicine)
3434 VILLA LN, SUITE 150
NAPA, CA 94558
Family Medicine
3434 VILLA LN, SUITE #380
NAPA, CA 94558
Dentist (General Practice)
3434 VILLA LN, SUITE #120
NAPA, CA 94558

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 Thomas Johnson's NPI number?

The NPI number for Thomas Johnson is 1750470688. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Thomas Johnson located?

Thomas Johnson practices at 3434 Villa Ln Suite 100, Napa, CA 94558. The listed phone number is (707) 255-3007.

What is Thomas Johnson's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Thomas Johnson enrolled in Medicare?

No. Thomas Johnson has opted out of Medicare through February 16, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Thomas Johnson was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.