IndividualActive
Jack Simon, M.D.
NPI 1861694135 · Psychiatry Physician · Los Altos, CA
Jack Simon, M.D. is a Psychiatry Physician provider in Los Altos, CA (NPI 1861694135).
Provider details
- NPI number
- 1861694135
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G19513 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
164 Main St
Los Altos, CA 94022-2928
Phone: (650) 941-6670
Fax: (650) 949-1262
Street-level locationGet directions
Mailing address
164 Main St.
Los Altos, CA 94022
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2007-07-09
Frequently asked questions
- What is Jack Simon's NPI number?
- Jack Simon's National Provider Identifier (NPI) is 1861694135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Simon's specialty?
- Jack Simon is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Simon located?
- Jack Simon's practice location on file with NPPES is 164 Main St, Los Altos, CA 94022-2928.
- What is Jack Simon's phone number?
- The practice phone number listed in the NPPES registry for Jack Simon is (650) 941-6670.
- Is Jack Simon's NPI active?
- Yes — Jack Simon's NPI (1861694135) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.