OrganizationActive
Ddx Medical Corporation
NPI 1336210657 · Specialist · Saint Helena, CA
Ddx Medical Corporation is a Specialist organization in Saint Helena, CA (NPI 1336210657).
Provider details
- NPI number
- 1336210657
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Thomas Stiles, Owner(707) 963-8842
- License
- G22053 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
6 Woodland Rd
Suite 102
Saint Helena, CA 94574-9501
Phone: (707) 963-8842
Fax: (707) 963-3713
Street-level locationGet directions
Mailing address
Po Box 965
Angwin, CA 94508-6065
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2020-08-22
Frequently asked questions
- What is Ddx Medical Corporation's NPI number?
- Ddx Medical Corporation's National Provider Identifier (NPI) is 1336210657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ddx Medical Corporation?
- Ddx Medical Corporation is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Ddx Medical Corporation located?
- Ddx Medical Corporation's practice location on file with NPPES is 6 Woodland Rd, Saint Helena, CA 94574-9501.
- What is Ddx Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Ddx Medical Corporation is (707) 963-8842.
- Who is the authorized official for Ddx Medical Corporation?
- The authorized official listed on Ddx Medical Corporation's NPPES record is Thomas Stiles, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ddx Medical Corporation's NPI active?
- Yes — Ddx Medical Corporation's NPI (1336210657) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.