Jack Siegel, M.D., Inc.
NPI 1972829018 · Health Service Clinic/Center · San Jose, CA
Jack Siegel, M.D., Inc. is a Health Service Clinic/Center organization in San Jose, CA (NPI 1972829018).
Provider details
- NPI number
- 1972829018
- Entity type
- Organization
- Primary specialty
- Health Service Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Jack Siegel, President(408) 358-3458
- License
- G317620 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-04-14
- Last updated
- 2010-04-14
Frequently asked questions
- What is Jack Siegel, M.D., Inc.'s NPI number?
- Jack Siegel, M.D., Inc.'s National Provider Identifier (NPI) is 1972829018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jack Siegel, M.D., Inc.?
- Jack Siegel, M.D., Inc. is classified in the NPPES registry as Health Service Clinic/Center (Ambulatory Health Care Facilities).
- Where is Jack Siegel, M.D., Inc. located?
- Jack Siegel, M.D., Inc.'s practice location on file with NPPES is 2585 Samaritan Dr Ste 303, San Jose, CA 95124-4107.
- What is Jack Siegel, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Jack Siegel, M.D., Inc. is (408) 358-3458.
- Who is the authorized official for Jack Siegel, M.D., Inc.?
- The authorized official listed on Jack Siegel, M.D., Inc.'s NPPES record is Jack Siegel, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jack Siegel, M.D., Inc.'s NPI active?
- Yes — Jack Siegel, M.D., Inc.'s NPI (1972829018) is active in the NPPES registry as of the last update on 2010-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.