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DR. MARK F. SEDRAK M.D.
NPI 1053545285
Specialist in Torrance, CA

Active since May 01, 2009PECOS EnrolledAccepts Medicare Assignment
21350 HAWTHORNE BLVD, SUITE 176, TORRANCE, CA 90503(310) 540-6908(310) 540-6721 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mark F. Sedrak M.d. NPPES

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

DR. MARK F. SEDRAK M.D. (NPI 1053545285) is an individual specialist in Torrance, California, licensed in California (A95140) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2004).

NPPES Registry Identity

NPI1053545285
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. MARK F. SEDRAKCredential: M.D.
Location Address21350 HAWTHORNE BLVD, SUITE 176Torrance, CA 90503-5605
Mailing Address21350 Hawthorne Blvd., Suite 176Torrance, CA 90503 · (310) 540-6908 · Fax (310) 540-6721
Phone(310) 540-6908
Fax(310) 540-6721
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2004
Enumeration DateMay 1, 2009
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1053545285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A95140
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License A95140 (CA)
21350 HAWTHORNE BLVD, Torrance, CA 90503
Open in Google Maps ↗

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

Dr. Mark F. Sedrak 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 ID4183817562
PECOS Enrollment IDI20101018000836
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 Mark Sedrak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Los Angeles
3.5 mi
General Acute Care Hospital
1000 W CARSON ST # 2
Torrance, CA 90502
  • Reassigned Medicare billing, California enrollment
  • 1,939 clinicians in this Medicare group
NPI 1851363188 (310) 222-2171
Permanente Medical Group Inc
317 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

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 16

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

ALLIED DENTAL CARE
Dentist (General Practice)
21350 HAWTHORNE BLVD, # 156
TORRANCE, CA 90503
Los Angeles County (310) 543-3533
HOON DOKKO
Dentist (General Practice)
21350 HAWTHORNE BLVD, #257
TORRANCE, CA 90503
Los Angeles County (310) 316-4329
DR. RICHARD JAMES STEINER D.D.S.
Dentist (General Practice)
21350 HAWTHORNE BLVD, 156
TORRANCE, CA 90503
Los Angeles County (310) 543-3533
DR. TSVEY-SHING CHIU D.D.S.
Dentist (General Practice)
21350 HAWTHORNE BLVD, SUITE 169
TORRANCE, CA 90503
Los Angeles County (310) 540-6212
DR. HUNG CHIEH HWANG D.D.S.
Dentist
21350 HAWTHORNE BLVD, SUITE #151
TORRANCE, CA 90503
Los Angeles County (310) 540-6248
TRAN MEDICAL, INC
Physical Medicine & Rehabilitation
21350 HAWTHORNE BLVD, STE 259
TORRANCE, CA 90503
Los Angeles County (310) 800-3497
DR. TAI-HON LIN M.D.
Internal Medicine
21350 HAWTHORNE BLVD, STE #161
TORRANCE, CA 90503
Los Angeles County (310) 541-8659
HOON DOKKO DDS MS INC
Dentist (General Practice)
21350 HAWTHORNE BLVD, SUITE 257
TORRANCE, CA 90503
Los Angeles County (310) 316-4329

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 Mark Sedrak's NPI number?

The NPI number for Mark Sedrak is 1053545285. It was assigned to this individual provider in the NPPES registry on May 1, 2009.

Where is Mark Sedrak located?

Mark Sedrak practices at 21350 Hawthorne Blvd Suite 176, Torrance, CA 90503. The listed phone number is (310) 540-6908.

What is Mark Sedrak's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mark Sedrak enrolled in Medicare?

Yes. Mark Sedrak 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 Mark Sedrak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sedrak reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Torrance, CA) and Permanente Medical Group Inc (Santa Clara, 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 Mark Sedrak'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 Mark Sedrak was last updated on February 11, 2022. 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.