AN X. NGUYEN MD
NPI 1821146705
Internal Medicine in Bellflower, CA

Q: What is An Nguyen's NPI number?

The NPI number for An Nguyen is 1821146705. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Q: What is An Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for An Nguyen was last updated on December 3, 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.

Active since January 08, 2007PECOS Enrolled

9400 ROSECRANS AVE, BELLFLOWER, CA 90706(562) 461-3000 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About An X. Nguyen Md NPPES

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

AN X. NGUYEN MD (NPI 1821146705) is an individual internal medicine provider in Bellflower, California, licensed in California (A61641) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821146705

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameAN X. NGUYENCredential: MD

Location Address9400 ROSECRANS AVEBellflower, CA 90706-2246

Mailing Address9400 Rosecrans AveBellflower, CA 90706-2246 · (562) 461-3000

Phone(562) 461-3000

Sole ProprietorNo

Enumeration DateJanuary 8, 2007

Last NPPES UpdateDecember 3, 2021

✔ NPI 1821146705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A61641

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

9400 ROSECRANS AVE, Bellflower, CA 90706

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

An X. 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 An Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

9400 ROSECRANS AVE
Bellflower, CA 90706

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1043242555 (562) 461-3000

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 90706 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.

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.

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