Gier, Inc.
NPI 1558330555 · Physical Therapist · Phoenix, AZ
Gier, Inc. is a Physical Therapist organization in Phoenix, AZ (NPI 1558330555).
Provider details
- NPI number
- 1558330555
- Entity type
- Organization
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Organization subpart
- No
- Authorized official
- Donald Gier, President(602) 914-1332
- License
- OTC 3909 (AZ)
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
20 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
Other names (DBA / former)
- Doing business as
- Oasis Rehabilitation Centers
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2020-08-22
Frequently asked questions
- What is Gier, Inc.'s NPI number?
- Gier, Inc.'s National Provider Identifier (NPI) is 1558330555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gier, Inc.?
- Gier, Inc. is classified in the NPPES registry as Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gier, Inc. located?
- Gier, Inc.'s practice location on file with NPPES is 1016 N 32nd St, Phoenix, AZ 85008-5107.
- What is Gier, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Gier, Inc. is (602) 914-1332.
- Who is the authorized official for Gier, Inc.?
- The authorized official listed on Gier, Inc.'s NPPES record is Donald Gier, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gier, Inc.'s NPI active?
- Yes — Gier, Inc.'s NPI (1558330555) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.