Theresa O'Boyle, PA
NPI 1477036648 · Physician Assistant · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa O'Boyle, PA is a Physician Assistant provider in Santa Barbara, CA (NPI 1477036648).
Provider details
- NPI number
- 1477036648
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
111 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 82 | $101 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 29 | $146 |
Typical Medicare-allowed amounts for these services range $101–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-12
- Last updated
- 2021-02-24
- Certified
- 2021-02-24
Frequently asked questions
- What is Theresa O'Boyle's NPI number?
- Theresa O'Boyle's National Provider Identifier (NPI) is 1477036648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa O'Boyle's specialty?
- Theresa O'Boyle is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresa O'Boyle located?
- Theresa O'Boyle's practice location on file with NPPES is 400 W Pueblo St, Santa Barbara, CA 93105-4353.
- What is Theresa O'Boyle's phone number?
- The practice phone number listed in the NPPES registry for Theresa O'Boyle is (714) 642-8927.
- Does Theresa O'Boyle accept Medicare?
- Theresa O'Boyle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa O'Boyle's NPI active?
- Yes — Theresa O'Boyle's NPI (1477036648) is active in the NPPES registry as of the last update on 2021-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.