Shirley Underwood, D.O.
NPI 1497919872 · Pediatrics Physician · Oxnard, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shirley Underwood, D.O. is a Pediatrics Physician provider in Oxnard, CA (NPI 1497919872).
Provider details
- NPI number
- 1497919872
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A11781 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-07-15
- Last updated
- 2023-10-18
- Certified
- 2023-10-18
Frequently asked questions
- What is Shirley Underwood's NPI number?
- Shirley Underwood's National Provider Identifier (NPI) is 1497919872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shirley Underwood's specialty?
- Shirley Underwood is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Shirley Underwood located?
- Shirley Underwood's practice location on file with NPPES is 2000 Outlet Center Dr, Oxnard, CA 93036-0607.
- What is Shirley Underwood's phone number?
- The practice phone number listed in the NPPES registry for Shirley Underwood is (805) 604-4588.
- Does Shirley Underwood accept Medicare?
- Shirley Underwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shirley Underwood's NPI active?
- Yes — Shirley Underwood's NPI (1497919872) is active in the NPPES registry as of the last update on 2023-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.