HA-LINH NGUYEN MD
NPI 1730838491
Emergency Medicine in San Diego, CA

Active since March 21, 2022PECOS Enrolled
4647 ZION AVE, SAN DIEGO, CA 92120(619) 528-5000 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ha-linh Nguyen Md NPPES

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

HA-LINH NGUYEN MD (NPI 1730838491) is an individual emergency medicine provider in San Diego, California, licensed in California (A200720) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Newark.

NPPES Registry Identity

NPI1730838491
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameHA-LINH NGUYENCredential: MD
Location Address4647 ZION AVESan Diego, CA 92120-2507
Mailing Address393 E Walnut StPasadena, CA 91188-0001 · (619) 641-4700
Sole ProprietorNo
Enumeration DateMarch 21, 2022
Last NPPES UpdateJuly 6, 2026
NPPES CertifiedJuly 6, 2026
✔ NPI 1730838491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A200720
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.
4647 ZION AVE, San Diego, CA 92120

Secondary Practice Location 1

Location 1201 Lyons AveNewark, NJ 07112-2027 · Phone (973) 926-7240

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ha-linh Nguyen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Ha-linh Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92120 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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 20

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

Obstetrics & Gynecology
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine
4647 ZION AVE, DEPARTMENT OF HOSPITAL MEDICINE
SAN DIEGO, CA 92120
Pharmacist
4647 ZION AVE
SAN DIEGO, CA 92120
Nurse Anesthetist, Certified Registered
4647 ZION AVE
SAN DIEGO, CA 92120
Social Worker (Clinical)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Pulmonary Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120

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 Ha-linh Nguyen's NPI number?

The NPI number for Ha-linh Nguyen is 1730838491. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Ha-linh Nguyen located?

Ha-linh Nguyen practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.

What is Ha-linh Nguyen's specialty?

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

Is Ha-linh Nguyen enrolled in Medicare?

Yes. Ha-linh Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ha-linh Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ha-linh Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The 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 Ha-linh Nguyen'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 Ha-linh Nguyen was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.