Christopher Kassar D.O. Inc.
NPI 1831346592 · Family Medicine Physician · San Dimas, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Kassar D.O. Inc. is a Family Medicine Physician organization in San Dimas, CA (NPI 1831346592).
Provider details
- NPI number
- 1831346592
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tammi Parr, Office Manager(909) 335-3527
- License
- A036813 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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)
- Former legal business name
- Tim Ferguson MD Inc
Registry dates
- Enumerated
- 2008-08-25
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Christopher Kassar D.O. Inc.'s NPI number?
- Christopher Kassar D.O. Inc.'s National Provider Identifier (NPI) is 1831346592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Christopher Kassar D.O. Inc.?
- Christopher Kassar D.O. Inc. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Kassar D.O. Inc. located?
- Christopher Kassar D.O. Inc.'s practice location on file with NPPES is 615 E Foothill Blvd Ste a, San Dimas, CA 91773-1255.
- What is Christopher Kassar D.O. Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Christopher Kassar D.O. Inc. is (626) 335-3527.
- Does Christopher Kassar D.O. Inc. accept Medicare?
- Christopher Kassar D.O. 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 Christopher Kassar D.O. Inc.?
- The authorized official listed on Christopher Kassar D.O. Inc.'s NPPES record is Tammi Parr, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Christopher Kassar D.O. Inc.'s NPI active?
- Yes — Christopher Kassar D.O. Inc.'s NPI (1831346592) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.