Luis Fernandez, M.D.
NPI 1639440977 · Psychiatry Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Fernandez, M.D. is a Psychiatry Physician provider in Palo Alto, CA (NPI 1639440977).
Provider details
- NPI number
- 1639440977
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
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
83% 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
- 2012-01-18
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is Luis Fernandez's NPI number?
- Luis Fernandez's National Provider Identifier (NPI) is 1639440977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Fernandez's specialty?
- Luis Fernandez is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Fernandez located?
- Luis Fernandez's practice location on file with NPPES is 401 Quarry Rd, Palo Alto, CA 94304-5717.
- What is Luis Fernandez's phone number?
- The practice phone number listed in the NPPES registry for Luis Fernandez is (650) 723-6643.
- Does Luis Fernandez accept Medicare?
- Luis Fernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luis Fernandez's NPI active?
- Yes — Luis Fernandez's NPI (1639440977) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.