Howard Fenn, MD
NPI 1396754743 · Psychiatry Physician · Los Altos, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Fenn, MD is a Psychiatry Physician provider in Los Altos, CA (NPI 1396754743).
Provider details
- NPI number
- 1396754743
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G23934 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-05
- Last updated
- 2024-04-15
- Certified
- 2024-04-15
Frequently asked questions
- What is Howard Fenn's NPI number?
- Howard Fenn's National Provider Identifier (NPI) is 1396754743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Fenn's specialty?
- Howard Fenn is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Fenn located?
- Howard Fenn's practice location on file with NPPES is 4546 El Camino Real Ste B7, Los Altos, CA 94022-1069.
- What is Howard Fenn's phone number?
- The practice phone number listed in the NPPES registry for Howard Fenn is (650) 743-0629.
- Does Howard Fenn accept Medicare?
- Howard Fenn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Fenn's NPI active?
- Yes — Howard Fenn's NPI (1396754743) is active in the NPPES registry as of the last update on 2024-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.