PAUL V ZIESMER MD
NPI 1649202714
Emergency Medicine in Orange, CA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
1100 WEST STEWART DRIVE, ORANGE, CA 92868(714) 633-9111 Get Directions Write a Review

NPPES record last updated: October 26, 2020. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Oct 26, 2020, Feb 26, 2020, Jan 29, 2019 (3 updates tracked since 2019).

About Paul V Ziesmer Md NPPES

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

PAUL V ZIESMER MD (NPI 1649202714) is an individual emergency medicine provider in Orange, California, licensed in California (G52989) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Medical University Of South Carolina College Of Medicine (1983).

NPPES Registry Identity

NPI1649202714
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NamePAUL V ZIESMERCredential: MD
Location Address1100 WEST STEWART DRIVEOrange, CA 92868-3849
Mailing AddressPo Box 690Long Beach, CA 90801-0690 · (562) 809-3547
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1983
Enumeration DateJuly 7, 2006
Last NPPES UpdateOctober 26, 20203 updates tracked since enumeration
NPPES CertifiedOctober 26, 2020
NPI 1649202714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · G52989
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1100 WEST STEWART DRIVE, Orange, CA 92868

Other Names 1

Professional Name (2)Paul Vernon Ziesmer Md

Secondary Practice Locations 3

Location 12212 E 4th St Ste 201Santa Ana, CA 92705-3872 · Phone (714) 288-3230 · Fax (714) 744-5294
Location 22251 N Harbor BlvdFullerton, CA 92835-2601 · Phone (714) 449-6230
Location 32501 E Chapman AveOrange, CA 92869-3204 · Phone (714) 633-1011

Other Identifiers 1

Medicaid00G529890CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Paul V Ziesmer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749358091
PECOS Enrollment IDI20081014000277
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Emergency Medicine
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Emergency Medicine
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Physician Assistant (Medical)
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Emergency Medicine
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Physician Assistant (Medical)
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Physician Assistant (Medical)
1100 WEST STEWART DRIVE
ORANGE, CA 92868
Emergency Medicine
1100 WEST STEWART DRIVE
ORANGE, CA 92868

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 Paul Ziesmer's NPI number?

The NPI number for Paul Ziesmer is 1649202714. It was assigned to this individual provider in the NPPES registry on July 7, 2006. The provider is also known as Paul Vernon Ziesmer MD.

Where is Paul Ziesmer located?

Paul Ziesmer practices at 1100 West Stewart Drive, Orange, CA 92868. The listed phone number is (714) 633-9111.

What is Paul Ziesmer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Paul Ziesmer enrolled in Medicare?

Yes. Paul Ziesmer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Paul Ziesmer was last updated on October 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.