Jay Underhill, M.P.T.
NPI 1649322603 · Physical Therapist · Torrance, CA
Jay Underhill, M.P.T. is a Physical Therapist provider in Torrance, CA (NPI 1649322603).
Provider details
- NPI number
- 1649322603
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- M.P.T.
- Sex
- Male
- Sole proprietor
- No
- License
- PT19022 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
- 2007-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jay Underhill's NPI number?
- Jay Underhill's National Provider Identifier (NPI) is 1649322603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Underhill's specialty?
- Jay Underhill is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Jay Underhill located?
- Jay Underhill's practice location on file with NPPES is 4201 Torrance Blvd, Torrance, CA 90503-4504.
- What is Jay Underhill's phone number?
- The practice phone number listed in the NPPES registry for Jay Underhill is (310) 543-4727.
- Is Jay Underhill's NPI active?
- Yes — Jay Underhill's NPI (1649322603) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.