Westchester Medical Group
NPI 1578645180 · Internal Medicine Physician · Torrance, CA
Westchester Medical Group is a Internal Medicine Physician organization in Torrance, CA (NPI 1578645180).
Provider details
- NPI number
- 1578645180
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Allen Pachtman, Partner(310) 863-9060
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2026-03-19
- Certified
- 2026-03-19
Frequently asked questions
- What is Westchester Medical Group's NPI number?
- Westchester Medical Group's National Provider Identifier (NPI) is 1578645180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Westchester Medical Group?
- Westchester Medical Group is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Westchester Medical Group located?
- Westchester Medical Group's practice location on file with NPPES is 2860 Sepulveda Blvd, Torrance, CA 90505-2803.
- What is Westchester Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Westchester Medical Group is (310) 863-9060.
- Who is the authorized official for Westchester Medical Group?
- The authorized official listed on Westchester Medical Group's NPPES record is Allen Pachtman, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Westchester Medical Group's NPI active?
- Yes — Westchester Medical Group's NPI (1578645180) is active in the NPPES registry as of the last update on 2026-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.