Gregory Obrien
NPI 1528798063 · Physical Therapy Assistant · Portland, OR
Gregory Obrien is a Physical Therapy Assistant provider in Portland, OR (NPI 1528798063).
Provider details
- NPI number
- 1528798063
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
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
4 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
- 2022-06-16
- Last updated
- 2022-06-16
- Certified
- 2022-06-16
Frequently asked questions
- What is Gregory Obrien's NPI number?
- Gregory Obrien's National Provider Identifier (NPI) is 1528798063, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Obrien's specialty?
- Gregory Obrien is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gregory Obrien located?
- Gregory Obrien's practice location on file with NPPES is 1475 Se 100th Ave, Portland, OR 97216-2537.
- What is Gregory Obrien's phone number?
- The practice phone number listed in the NPPES registry for Gregory Obrien is (503) 262-6000.
- Is Gregory Obrien's NPI active?
- Yes — Gregory Obrien's NPI (1528798063) is active in the NPPES registry as of the last update on 2022-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.