Olivia Dunphy
NPI 1801563911 · Speech-Language Pathologist · Billings, MT
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Dunphy is a Speech-Language Pathologist provider in Billings, MT (NPI 1801563911).
Provider details
- NPI number
- 1801563911
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SLP-SP-LIC-9282 (MT)
Specialties & taxonomies
Speech, Language and Hearing 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
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
- 2021-08-26
- Last updated
- 2021-08-26
- Certified
- 2021-08-26
Frequently asked questions
- What is Olivia Dunphy's NPI number?
- Olivia Dunphy's National Provider Identifier (NPI) is 1801563911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Dunphy's specialty?
- Olivia Dunphy is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Olivia Dunphy located?
- Olivia Dunphy's practice location on file with NPPES is 2800 10th Ave N, Billings, MT 59101-0703.
- What is Olivia Dunphy's phone number?
- The practice phone number listed in the NPPES registry for Olivia Dunphy is (406) 238-2500.
- Does Olivia Dunphy accept Medicare?
- Olivia Dunphy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Dunphy's NPI active?
- Yes — Olivia Dunphy's NPI (1801563911) is active in the NPPES registry as of the last update on 2021-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.