DR. JULIAN LAM DUY NGUYEN DO
NPI 1174084156
Internal Medicine in Kingwood, TX
About Dr. Julian Lam Duy Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JULIAN LAM DUY NGUYEN DO (NPI 1174084156) is an individual internal medicine provider in Kingwood, Texas, licensed in Texas (T4016) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Kingwood, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2019).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Dr. Julian Lam Duy Nguyen Do 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.
Medicare Billing Reassignments
4Medicare enrollment records show Julian Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kingwood, TX 77339
- Reassigned Medicare billing, Texas enrollment
- 4 clinicians in this Medicare group
Baytown, TX 77521
- Reassigned Medicare billing, Texas enrollment
- 8 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 681 clinicians in this Medicare group
Mansfield, TX 76063
- Reassigned Medicare billing, Texas enrollment
- 994 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.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Houston Healthcare Kingwood
Acute Care Hospitals · Kingwood, TXMemorial Hermann Surgical Hospital Kingwood
Acute Care Hospitals · Kingwood, TXElite Hospital Kingwood
Acute Care Hospitals · Kingwood, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77339 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HUMBLE, TX 77339
KINGWOOD, TX 77339
KINGWOOD, TX 77339
KINGWOOD, TX 77339
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 Julian Nguyen's NPI number?
The NPI number for Julian Nguyen is 1174084156. It was assigned to this individual provider in the NPPES registry on March 31, 2019.
Where is Julian Nguyen located?
Julian Nguyen practices at 22999 Highway 59 N, Kingwood, TX 77339. The listed phone number is (281) 348-8000.
What is Julian Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Julian Nguyen enrolled in Medicare?
Yes. Julian 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.
Which organizations bill Medicare for Julian Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julian Nguyen reassigns Medicare benefits to 4 organizations: Ali Abbasi MD, PLLC (Kingwood, TX), Hospitalist Acute Care Services, PLLC (Baytown, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX) and Lonestar Hospital Medicine Associates, PA (Mansfield, TX). Each 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 Julian Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Julian Nguyen accept?
Health plans from Blue Cross and Blue Shield of Texas list Julian Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Julian Nguyen affiliated with any hospitals?
According to CMS data, Julian Nguyen is affiliated with Hca Houston Healthcare Kingwood, Memorial Hermann Surgical Hospital Kingwood and Elite Hospital Kingwood.
When was this NPI record last updated?
The NPPES record for Julian Nguyen was last updated on June 15, 2022. 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.
# Dr. Julian Lam Duy Nguyen, DO · NPI 1174084156
Internal Medicine physician in Kingwood, Texas. Individual provider, active in the CMS NPPES registry since March 31, 2019.
## Identity
- **NPI:** 1174084156 (Entity type: Individual)
- **Enumerated:** March 31, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** T4016 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 22999 HIGHWAY 59 N, Kingwood, TX 77339-4412
- **Phone:** (281) 348-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Ali Abbasi MD, PLLC (NPI 1427701259, Kingwood, TX); Hospitalist Acute Care Services, PLLC (NPI 1659905263, Baytown, TX); Hospital Medicine Services Of Tx, PLLC (NPI 1881392363, San Antonio, TX); Lonestar Hospital Medicine Associates, PA (NPI 1518237429, Mansfield, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Texas Hsc, College Of Osteopathic Med, class of 2019
## Record status
- **NPPES last updated:** June 15, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1174084156) · Data from the CMS NPPES public registry.