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JON L SIEMS MD INC
NPI 1194243394
Clinic/Center - Ophthalmologic Surgery in Temecula, CA

Active since September 07, 2017
31515 RANCHO PUEBLO RD STE 103, TEMECULA, CA 92592(951) 303-6111(951) 302-4448 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, Jul 21, 2022 (2 updates tracked since 2022).

About Jon L Siems Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JON L SIEMS MD INC (NPI 1194243394) is a healthcare organization registered as an ophthalmologic surgery in Temecula, California and active in the NPI registry since September 2017. The organization lists Mary Ann Porter, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1194243394
Entity TypeOrganization
Primary Taxonomy261QS0132X
Legal Business NameJON L SIEMS MD INC
Location Address31515 RANCHO PUEBLO RD STE 103Temecula, CA 92592-4837
Mailing Address31515 Rancho Pueblo Rd Ste 103Temecula, CA 92592-4837 · (951) 303-6111 · Fax (951) 302-4448
Phone(951) 303-6111
Fax(951) 302-4448
Organization SubpartNo
Authorized OfficialMary Ann PorterPractice Manager · (951) 303-6111
Enumeration DateSeptember 7, 2017
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
✔ NPI 1194243394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ophthalmologic SurgeryAmbulatory Health Care Facilities
Taxonomy Code261QS0132X
License✔ Licensed in CA · 54383
31515 RANCHO PUEBLO RD STE 103, Temecula, CA 92592
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Other Identifiers 1

Other54383CA · Ca Medical License

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jon L Siems MD Inc's NPI number?

The NPI number for Jon L Siems MD Inc is 1194243394. It was assigned to this organization in the NPPES registry on September 7, 2017.

Where is Jon L Siems MD Inc located?

Jon L Siems MD Inc is located at 31515 Rancho Pueblo Rd Ste 103, Temecula, CA 92592. The listed phone number is (951) 303-6111.

What is Jon L Siems MD Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ophthalmologic Surgery, with taxonomy code 261QS0132X.

When was this NPI record last updated?

The NPPES record for Jon L Siems MD Inc was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.