SCOTT WILLIAM SEIDER M.D.
NPI 1205176013
Anesthesiology in Oceanside, CA

Active since February 15, 2013PECOS EnrolledAccepts Medicare Assignment
200 MERCY CIRCLE, OCEANSIDE, CA 92055(760) 725-4357 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 27, 2021, Mar 11, 2021, Feb 18, 2021 (3 updates tracked since 2021).

About Scott William Seider M.d. NPPES

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

SCOTT WILLIAM SEIDER M.D. (NPI 1205176013) is an individual anesthesiology provider in Oceanside, California, licensed in California (A132245) and active in the NPI registry since February 2013. He is enrolled in Medicare PECOS and is a graduate of Wright State University Boonshoft School Of Medicine (2013).

NPPES Registry Identity

NPI1205176013
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSCOTT WILLIAM SEIDERCredential: M.D.
Location Address200 MERCY CIRCLEOceanside, CA 92055
Mailing Address200 Mercy CircleOceanside, CA 92055 · (760) 725-1288
Sole ProprietorYes
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2013
Enumeration DateFebruary 15, 2013
Last NPPES UpdateDecember 27, 20213 updates tracked since enumeration
NPPES CertifiedDecember 27, 2021
✔ NPI 1205176013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A132245
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
200 MERCY CIRCLE, Oceanside, CA 92055

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Scott William Seider M.d. 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 ID1456760941
PECOS Enrollment IDI20210513002965
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Scott Seider reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
28062 BAXTER RD
Murrieta, CA 92563
  • Reassigned Medicare billing, California enrollment
  • 137 clinicians in this Medicare group
Health Maintenance Organization
1288 CAMINO DEL RIO N
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

Psychologist (Clinical)
200 MERCY CIRCLE
OCEANSIDE, CA 92055
Counselor (Addiction (Substance Use Disorder))
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Psychologist (Clinical)
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Physical Therapist
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Anesthesiology
200 MERCY CIRCLE
OCEANSIDE, CA 92055
Military Health Care Provider (Independent Duty Corpsman)
200 MERCY CIRCLE
OCEANSIDE, CA 92055
Physician Assistant
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
Student in an Organized Health Care Education/Training Program
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055

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 Scott Seider's NPI number?

The NPI number for Scott Seider is 1205176013. It was assigned to this individual provider in the NPPES registry on February 15, 2013.

Where is Scott Seider located?

Scott Seider practices at 200 Mercy Circle, Oceanside, CA 92055. The listed phone number is (760) 725-4357.

What is Scott Seider's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Scott Seider enrolled in Medicare?

Yes. Scott Seider 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.

Which organizations bill Medicare for Scott Seider's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Scott Seider reassigns Medicare benefits to 2 organizations: Sound Physicians Anesthesiology Of California PC (Murrieta, CA) and Southern California Permanente Medical Group (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Scott Seider's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Scott Seider was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.