Allison Underwood
NPI 1699558478 · Physician Assistant · La Jolla, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Underwood is a Physician Assistant provider in La Jolla, CA (NPI 1699558478).
Provider details
- NPI number
- 1699558478
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 65878 (CA)
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 tenure38% of score
2 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
- 2023-08-16
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Allison Underwood's NPI number?
- Allison Underwood's National Provider Identifier (NPI) is 1699558478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Underwood's specialty?
- Allison Underwood is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Underwood located?
- Allison Underwood's practice location on file with NPPES is 9850 Genesee Ave Ste 320, La Jolla, CA 92037-1208.
- What is Allison Underwood's phone number?
- The practice phone number listed in the NPPES registry for Allison Underwood is (858) 554-1212.
- Does Allison Underwood accept Medicare?
- Allison Underwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Underwood's NPI active?
- Yes — Allison Underwood's NPI (1699558478) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.