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MRS. TRANG THIEN KAY NP
NPI 1750419552
Nurse Practitioner - Family in San Diego, CA

Active since March 01, 2007PECOS EnrolledAccepts Medicare Assignment
5855 COPLEY DR STE 250, SAN DIEGO, CA 92111(800) 377-2255(858) 560-9300 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Mar 3, 2018 (2 updates tracked since 2018).

About Mrs. Trang Thien Kay Np NPPES

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

MRS. TRANG THIEN KAY NP (NPI 1750419552) is an individual family provider in San Diego, California, licensed in California (556603) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Austin, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1750419552
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. TRANG THIEN KAYCredential: NP
Location Address5855 COPLEY DR STE 250San Diego, CA 92111-7908
Mailing Address4544 S Lamar Blvd, Suite 700Austin, TX 78745-1500 · (512) 834-4141
Phone(800) 377-2255
Fax(858) 560-9300
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 1, 2007
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1750419552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in CA · 556603✔ Licensed in TX · 874503
5855 COPLEY DR STE 250, San Diego, CA 92111
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Other Names 1

Former Name (1)Ms. Trang Thien Ngo Np

Secondary Practice Location 1

Location 14544 S LaMar Blvd, Suite 700Austin, TX 78745-1500 · Phone (512) 834-4141

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

Mrs. Trang Thien Kay Np 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 ID8224052600
PECOS Enrollment IDI20060124001007
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 Trang Kay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
5.3 mi
Health Maintenance Organization
1288 CAMINO DEL RIO N
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1023425972 (877) 608-0044

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 92111 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.

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 Trang Kay's NPI number?

The NPI number for Trang Kay is 1750419552. It was assigned to this individual provider in the NPPES registry on March 1, 2007. The provider is also known as Ms. Trang Thien Ngo Np.

Where is Trang Kay located?

Trang Kay practices at 5855 Copley Dr Ste 250, San Diego, CA 92111. The listed phone number is (800) 377-2255.

What is Trang Kay's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Trang Kay enrolled in Medicare?

Yes. Trang Kay 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 organization bills Medicare for Trang Kay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trang Kay 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 Trang Kay'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 Trang Kay was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.