Ann O'Connor, PA C
NPI 1033170964 · Medical Physician Assistant · Missoula, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann O'Connor, PA C is a Medical Physician Assistant provider in Missoula, MT (NPI 1033170964).
Provider details
- NPI number
- 1033170964
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- 60020 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing 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
Registry dates
- Enumerated
- 2006-03-30
- Last updated
- 2026-04-16
- Certified
- 2026-04-16
Frequently asked questions
- What is Ann O'Connor's NPI number?
- Ann O'Connor's National Provider Identifier (NPI) is 1033170964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann O'Connor's specialty?
- Ann O'Connor is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann O'Connor located?
- Ann O'Connor's practice location on file with NPPES is 401 Railroad St W, Missoula, MT 59802-4109.
- What is Ann O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Ann O'Connor is (406) 258-4789.
- Does Ann O'Connor accept Medicare?
- Ann O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann O'Connor's NPI active?
- Yes — Ann O'Connor's NPI (1033170964) is active in the NPPES registry as of the last update on 2026-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.