SI VAN NGUYEN M.D.
NPI 1841234952
Pathology - Anatomic Pathology & Clinical Pathology in Garden Grove, CA

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
12601 GARDEN GROVE BLVD, PATHOLOGY DEPT., GARDEN GROVE, CA 92843(949) 874-0827(310) 698-7054 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Si Van Nguyen M.d. NPPES

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

SI VAN NGUYEN M.D. (NPI 1841234952) is an individual anatomic pathology & clinical pathology provider in Garden Grove, California, licensed in California (A48904) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (1989).

NPPES Registry Identity

NPI1841234952
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameSI VAN NGUYENCredential: M.D.
Location Address12601 GARDEN GROVE BLVD, PATHOLOGY DEPT.Garden Grove, CA 92843-1908
Mailing Address20001 S Rancho WayRancho Dominguez, CA 90220-6318 · (310) 225-3244 · Fax (310) 698-7040
Fax(310) 698-7054
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1989
Enumeration DateJune 16, 2006
Last NPPES UpdateOctober 15, 2024
NPPES CertifiedOctober 15, 2024
NPI 1841234952 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 · A48904
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.

12601 GARDEN GROVE BLVD, Garden Grove, CA 92843

Other Identifiers 1

Medicaid00A489040CA

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

Si Van Nguyen 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 ID3476547092
PECOS Enrollment IDI20040414001095
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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
309 services179 patients
Special stained specimen slides to identify organisms including interpretation and report 88312
This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.
159 services78 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
107 services17 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
61 services46 patients
Cell examination of specimen, concentration technique 88108
Cell examination of a specimen using a concentration technique is a lab process that enhances the detection of cells in a sample. This method helps to focus on key areas of the sample, making it easier to spot abnormalities or changes. It's a crucial part of diagnosing and monitoring certain health conditions.
43 services38 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
39 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92843 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost90.14

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.

Psychiatric Unit
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Anesthesiology
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Physician Assistant (Medical)
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Anesthesiology
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Emergency Medicine
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Anesthesiology
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Anesthesiology
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843
Pharmacist
12601 GARDEN GROVE BLVD
GARDEN GROVE, CA 92843

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 Si Nguyen's NPI number?

The NPI number for Si Nguyen is 1841234952. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Si Nguyen located?

Si Nguyen practices at 12601 Garden Grove Blvd Pathology Dept., Garden Grove, CA 92843. The listed phone number is (949) 874-0827.

What is Si Nguyen's specialty?

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

Is Si Nguyen enrolled in Medicare?

Yes. Si Nguyen 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 Si Nguyen was last updated on October 15, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.