Gregory Leon, P.T.A
NPI 1578570412 · Physical Therapy Assistant · Colton, CA
Gregory Leon, P.T.A is a Physical Therapy Assistant provider in Colton, CA (NPI 1578570412).
Provider details
- NPI number
- 1578570412
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.A
- Sex
- Male
- Sole proprietor
- No
- License
- 4312 (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
- 2006-08-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Leon's NPI number?
- Gregory Leon's National Provider Identifier (NPI) is 1578570412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Leon's specialty?
- Gregory Leon is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Leon located?
- Gregory Leon's practice location on file with NPPES is 850 E Washington St, Colton, CA 92324-8101.
- What is Gregory Leon's phone number?
- The practice phone number listed in the NPPES registry for Gregory Leon is (909) 370-0572.
- Is Gregory Leon's NPI active?
- Yes — Gregory Leon's NPI (1578570412) 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.