Aaron Phillips
NPI 1821523002 · Pediatric Cardiology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Phillips is a Pediatric Cardiology Physician provider in Palo Alto, CA (NPI 1821523002).
Provider details
- NPI number
- 1821523002
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A169422 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 111 Michigan Ave NwWashington, DC 20010-2916Phone: (202) 476-3670Fax: (202) 476-4741
Registry dates
- Enumerated
- 2017-04-26
- Last updated
- 2024-04-28
- Certified
- 2024-04-28
Frequently asked questions
- What is Aaron Phillips's NPI number?
- Aaron Phillips's National Provider Identifier (NPI) is 1821523002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Phillips's specialty?
- Aaron Phillips is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Aaron Phillips located?
- Aaron Phillips's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Aaron Phillips's phone number?
- The practice phone number listed in the NPPES registry for Aaron Phillips is (650) 497-8000.
- Does Aaron Phillips accept Medicare?
- Aaron Phillips is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Phillips's NPI active?
- Yes — Aaron Phillips's NPI (1821523002) is active in the NPPES registry as of the last update on 2024-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.