DR. KIM THIEN NGUYEN MD
NPI 1689998775
Internal Medicine - Endocrinology, Diabetes & Metabolism in Capitola, CA

Active since March 18, 2010PECOS Enrolled
815 BAY AVE, CAPITOLA, CA 95010(831) 460-7333 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Kim Thien Nguyen Md NPPES

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

DR. KIM THIEN NGUYEN MD (NPI 1689998775) is an individual endocrinology, diabetes & metabolism provider in Capitola, California, licensed in California (A108267) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689998775
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. KIM THIEN NGUYENCredential: MD
Location Address815 BAY AVECapitola, CA 95010-2106
Mailing Address2025 Soquel AveSanta Cruz, CA 95062-1323 · (831) 423-4111
Sole ProprietorNo
Enumeration DateMarch 18, 2010
Last NPPES UpdateDecember 15, 2021
✔ NPI 1689998775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A108267
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
815 BAY AVE, Capitola, CA 95010

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kim Thien 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 Kim Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 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 95010 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
$141.77 typical visit price
range $62.97 – $186.69
Typical copayment $35.44 (range $15.74 – $46.67)
Most-billed visit code 99204
Established Patient
$109.72 typical visit price
range $21.02 – $153.16
Typical copayment $27.43 (range $5.25 – $38.29)
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 17

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
815 BAY AVE
CAPITOLA, CA 95010
Dietitian, Registered
815 BAY AVE, SUITE B
CAPITOLA, CA 95010
Clinical Exercise Physiologist
815 BAY AVE
CAPITOLA, CA 95010
Psychiatry & Neurology (Sleep Medicine)
815 BAY AVE, SUITE B
CAPITOLA, CA 95010
Dietitian, Registered
815 BAY AVE
CAPITOLA, CA 95010
Social Worker (Clinical)
815 BAY AVE
CAPITOLA, CA 95010
Internal Medicine (Endocrinology, Diabetes & Metabolism)
815 BAY AVE, SUITE B
CAPITOLA, CA 95010
Internal Medicine (Endocrinology, Diabetes & Metabolism)
815 BAY AVE
CAPITOLA, CA 95010

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 Kim Nguyen's NPI number?

The NPI number for Kim Nguyen is 1689998775. It was assigned to this individual provider in the NPPES registry on March 18, 2010.

Where is Kim Nguyen located?

Kim Nguyen practices at 815 Bay Ave, Capitola, CA 95010. The listed phone number is (831) 460-7333.

What is Kim Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Kim Nguyen enrolled in Medicare?

Yes. Kim Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kim Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kim Nguyen reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Kim 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 Kim Nguyen was last updated on December 15, 2021. 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.