Joao Siffert, M.D.
NPI 1538432463 · Neurology with Special Qualifications in Child Neurology Physician · Rancho Santa Fe, CA
Joao Siffert, M.D. is a Neurology with Special Qualifications in Child Neurology Physician provider in Rancho Santa Fe, CA (NPI 1538432463).
Provider details
- NPI number
- 1538432463
- Entity type
- Individual
- Primary specialty
- Neurology with Special Qualifications in Child Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 196446 (NY)
Specialties & taxonomies
- Neurology with Special Qualifications in Child Neurology PhysicianPrimary2084N0402XLicense 196446 (NY)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-02-23
- Last updated
- 2014-01-22
Frequently asked questions
- What is Joao Siffert's NPI number?
- Joao Siffert's National Provider Identifier (NPI) is 1538432463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joao Siffert's specialty?
- Joao Siffert is listed in the NPPES registry with a primary specialty of Neurology with Special Qualifications in Child Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Joao Siffert located?
- Joao Siffert's practice location on file with NPPES is 18277 Via Ascenso, Rancho Santa Fe, CA 92067-2802.
- What is Joao Siffert's phone number?
- The practice phone number listed in the NPPES registry for Joao Siffert is (858) 692-5081.
- Is Joao Siffert's NPI active?
- Yes — Joao Siffert's NPI (1538432463) is active in the NPPES registry as of the last update on 2014-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.