Jon L Siems MD Inc
NPI 1194243394 · Ophthalmologic Surgery Clinic/Center · Temecula, CA
Jon L Siems MD Inc is a Ophthalmologic Surgery Clinic/Center organization in Temecula, CA (NPI 1194243394).
Provider details
- NPI number
- 1194243394
- Entity type
- Organization
- Primary specialty
- Ophthalmologic Surgery Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mary Porter, Practice Manager(951) 303-6111
- License
- 54383 (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
8 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
- 2017-09-07
- Last updated
- 2023-03-07
Frequently asked questions
- What is Jon L Siems MD Inc's NPI number?
- Jon L Siems MD Inc's National Provider Identifier (NPI) is 1194243394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jon L Siems MD Inc?
- Jon L Siems MD Inc is classified in the NPPES registry as Ophthalmologic Surgery Clinic/Center (Ambulatory Health Care Facilities).
- Where is Jon L Siems MD Inc located?
- Jon L Siems MD Inc's practice location on file with NPPES is 31515 Rancho Pueblo Rd Ste 103, Temecula, CA 92592-4837.
- What is Jon L Siems MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Jon L Siems MD Inc is (951) 303-6111.
- Who is the authorized official for Jon L Siems MD Inc?
- The authorized official listed on Jon L Siems MD Inc's NPPES record is Mary Porter, Practice Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jon L Siems MD Inc's NPI active?
- Yes — Jon L Siems MD Inc's NPI (1194243394) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.