U.S. Healthworks Medical Group of Tennessee, PC
NPI 1255616090 · Preventive Medicine/Occupational Environmental Medicine Physician · Valencia, CA
U.S. Healthworks Medical Group of Tennessee, PC is a Preventive Medicine/Occupational Environmental Medicine Physician organization in Valencia, CA (NPI 1255616090).
Provider details
- NPI number
- 1255616090
- Entity type
- Organization
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Joseph Mallas, Executive Vice President(661) 678-2626
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Urgent Care Clinic/Center261QU0200X
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
- 2011-10-12
- Last updated
- 2011-10-12
Frequently asked questions
- What is U.S. Healthworks Medical Group of Tennessee, PC's NPI number?
- U.S. Healthworks Medical Group of Tennessee, PC's National Provider Identifier (NPI) is 1255616090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is U.S. Healthworks Medical Group of Tennessee, PC?
- U.S. Healthworks Medical Group of Tennessee, PC is classified in the NPPES registry as Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is U.S. Healthworks Medical Group of Tennessee, PC located?
- U.S. Healthworks Medical Group of Tennessee, PC's practice location on file with NPPES is 25124 Springfield Court, Valencia, CA 91355-1085.
- What is U.S. Healthworks Medical Group of Tennessee, PC's phone number?
- The practice phone number listed in the NPPES registry for U.S. Healthworks Medical Group of Tennessee, PC is (661) 678-2600.
- Who is the authorized official for U.S. Healthworks Medical Group of Tennessee, PC?
- The authorized official listed on U.S. Healthworks Medical Group of Tennessee, PC's NPPES record is Joseph Mallas, Executive Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is U.S. Healthworks Medical Group of Tennessee, PC's NPI active?
- Yes — U.S. Healthworks Medical Group of Tennessee, PC's NPI (1255616090) is active in the NPPES registry as of the last update on 2011-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.