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COASTAL DIAGNOSTIC PATHOLOGY INC
NPI 1124187513
Pathology - Anatomic Pathology & Clinical Pathology in Santa Ana, CA

Active since December 08, 2006
2701 S BRISTOL ST, SANTA ANA, CA 92704(800) 288-8325(419) 866-5453 Get Directions Write a Review

NPPES record last updated: June 3, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Coastal Diagnostic Pathology Inc NPPES

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

COASTAL DIAGNOSTIC PATHOLOGY INC (NPI 1124187513) is a healthcare organization registered as an anatomic pathology & clinical pathology in Santa Ana, California and active in the NPI registry since December 2006. The organization lists Shahin H Samimi, President, as its authorized official.

NPPES Registry Identity

NPI1124187513
Entity TypeOrganization
Primary Taxonomy207ZP0102X
Legal Business NameSHAHIN HOSSEINZADEH SAMIMI MD PC
Location Address2701 S BRISTOL STSanta Ana, CA 92704-6201
Mailing Address5700 Southwyck BlvdToledo, OH 43614-1509 · (800) 288-8325 · Fax (419) 866-5453
Phone(800) 288-8325
Fax(419) 866-5453
Organization SubpartNo
Authorized OfficialShahin H SamimiPresident · (714) 850-4970
Enumeration DateDecember 8, 2006
Last NPPES UpdateJune 3, 2014
✔ NPI 1124187513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A35793
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
2701 S BRISTOL ST, Santa Ana, CA 92704
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Other Names 1

Other NameCoastal Diagnostic Pathology Inc

Other Identifiers 2

Medicare ID-Type UnspecifiedW19024CA · Medicare Group Number
Medicaid00A357930CA

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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Coastal Diagnostic Pathology Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20050608001209Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Coastal Diagnostic Pathology Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Shahih Samimi, MD
Pathology
NPI 1477554335
2701 S BRISTOL ST
Santa Ana, CA 92704
(714) 754-5454
✔ PECOS✔ Accepts MedicareSame address

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

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 Shahin Hosseinzadeh Samimi MD PC's NPI number?

The NPI number for Shahin Hosseinzadeh Samimi MD PC is 1124187513. It was assigned to this organization in the NPPES registry on December 8, 2006. The provider is also known as Coastal Diagnostic Pathology Inc.

Where is Shahin Hosseinzadeh Samimi MD PC located?

Shahin Hosseinzadeh Samimi MD PC is located at 2701 S Bristol St, Santa Ana, CA 92704. The listed phone number is (800) 288-8325.

What is Shahin Hosseinzadeh Samimi MD PC's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Shahin Hosseinzadeh Samimi MD PC enrolled in Medicare?

Yes. Shahin Hosseinzadeh Samimi MD PC is registered in the Medicare PECOS enrollment system.

When is Shahin Hosseinzadeh Samimi MD PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Shahin Hosseinzadeh Samimi MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pathology) reassigns their Medicare billing to Shahin Hosseinzadeh Samimi MD PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Shahin Hosseinzadeh Samimi MD PC was last updated on June 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.