Gregory Retzer, DPT
NPI 1023344546 · Physical Therapist · Chico, CA
Gregory Retzer, DPT is a Physical Therapist provider in Chico, CA (NPI 1023344546).
Provider details
- NPI number
- 1023344546
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Physical Therapist225100000X
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
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-10-19
- Last updated
- 2015-02-24
Frequently asked questions
- What is Gregory Retzer's NPI number?
- Gregory Retzer's National Provider Identifier (NPI) is 1023344546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Retzer's specialty?
- Gregory Retzer is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Retzer located?
- Gregory Retzer's practice location on file with NPPES is 125 Raley Boulevard, Chico, CA 95928.
- What is Gregory Retzer's phone number?
- The practice phone number listed in the NPPES registry for Gregory Retzer is (530) 891-8220.
- Is Gregory Retzer's NPI active?
- Yes — Gregory Retzer's NPI (1023344546) is active in the NPPES registry as of the last update on 2015-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.