Peter Chase DDS Ma & Toshi Hart DDS Inc
NPI 1912207903 · General Practice Dentistry · Walnut Creek, CA
Enrolled with Medicare as Dme Supplier - Oral Surgery - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Chase DDS Ma & Toshi Hart DDS Inc is a General Practice Dentistry organization in Walnut Creek, CA (NPI 1912207903).
Provider details
- NPI number
- 1912207903
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Toshi Hart, Owner(925) 935-2918
Specialties & taxonomies
Dental Providers
- Customized Equipment (DME)332BC3200X
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Other names (DBA / former)
- Doing business as
- Medical Dental Concepts
Registry dates
- Enumerated
- 2010-10-25
- Last updated
- 2025-04-29
- Certified
- 2025-04-29
Frequently asked questions
- What is Peter Chase DDS Ma & Toshi Hart DDS Inc's NPI number?
- Peter Chase DDS Ma & Toshi Hart DDS Inc's National Provider Identifier (NPI) is 1912207903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peter Chase DDS Ma & Toshi Hart DDS Inc?
- Peter Chase DDS Ma & Toshi Hart DDS Inc is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Peter Chase DDS Ma & Toshi Hart DDS Inc located?
- Peter Chase DDS Ma & Toshi Hart DDS Inc's practice location on file with NPPES is 130 La Casa Via Bldg 2, Walnut Creek, CA 94598-3045.
- What is Peter Chase DDS Ma & Toshi Hart DDS Inc's phone number?
- The practice phone number listed in the NPPES registry for Peter Chase DDS Ma & Toshi Hart DDS Inc is (925) 935-2918.
- Does Peter Chase DDS Ma & Toshi Hart DDS Inc accept Medicare?
- Peter Chase DDS Ma & Toshi Hart DDS Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Peter Chase DDS Ma & Toshi Hart DDS Inc?
- The authorized official listed on Peter Chase DDS Ma & Toshi Hart DDS Inc's NPPES record is Toshi Hart, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peter Chase DDS Ma & Toshi Hart DDS Inc's NPI active?
- Yes — Peter Chase DDS Ma & Toshi Hart DDS Inc's NPI (1912207903) is active in the NPPES registry as of the last update on 2025-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.