Jeffrey Tseng, MD, Inc.
NPI 1124387014 · Medical Specialty Clinic/Center · Thousand Oaks, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Tseng, MD, Inc. is a Medical Specialty Clinic/Center organization in Thousand Oaks, CA (NPI 1124387014).
Provider details
- NPI number
- 1124387014
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jeffrey Tseng, President(805) 338-2616
- License
- A101924 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Registry dates
- Enumerated
- 2012-05-11
- Last updated
- 2012-12-17
Frequently asked questions
- What is Jeffrey Tseng, MD, Inc.'s NPI number?
- Jeffrey Tseng, MD, Inc.'s National Provider Identifier (NPI) is 1124387014, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jeffrey Tseng, MD, Inc.?
- Jeffrey Tseng, MD, Inc. is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Jeffrey Tseng, MD, Inc. located?
- Jeffrey Tseng, MD, Inc.'s practice location on file with NPPES is 2220 Lynn Rd, Thousand Oaks, CA 91360-1904.
- What is Jeffrey Tseng, MD, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Tseng, MD, Inc. is (805) 496-8103.
- Does Jeffrey Tseng, MD, Inc. accept Medicare?
- Jeffrey Tseng, MD, 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 Jeffrey Tseng, MD, Inc.?
- The authorized official listed on Jeffrey Tseng, MD, Inc.'s NPPES record is Jeffrey Tseng, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jeffrey Tseng, MD, Inc.'s NPI active?
- Yes — Jeffrey Tseng, MD, Inc.'s NPI (1124387014) is active in the NPPES registry as of the last update on 2012-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.