CHRISTIAN H.L. NGUYEN MD
NPI 1629573274
Internal Medicine in San Antonio, TX

Active since March 27, 2018PECOS EnrolledAccepts Medicare Assignment
4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 358-4000 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 9, 2026, May 9, 2022, Jan 11, 2022 and 1 more (4 updates tracked since 2018).

About Christian H.l. Nguyen Md NPPES

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

CHRISTIAN H.L. NGUYEN MD (NPI 1629573274) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (T4565) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in San Angelo.

NPPES Registry Identity

NPI1629573274
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHRISTIAN H.L. NGUYENCredential: MD
Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402
Mailing AddressPo Box 22000San Angelo, TX 76902-7200 · (214) 998-9041
Sole ProprietorNo
Medical School CMSCooper Medical School Of Rowan UniversityGraduated 2018
Enumeration DateMarch 27, 2018
Last NPPES UpdateJanuary 9, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2026
NPI 1629573274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · T4565
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.
Also ListedHospitalistTaxonomy 208M00000X · License T4565 (TX)
4502 MEDICAL DR, San Antonio, TX 78229

Other Names 1

Former Name (1)Christian Q Nguyen

Secondary Practice Location 1

Location 1120 E Harris AveSan Angelo, TX 76903-5904 · Phone (325) 747-6741

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Christian H.l. Nguyen Md 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 ID1557613486
PECOS Enrollment IDI20240314003974
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.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
302 services115 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
117 services67 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
100 services97 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
55 services55 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Shannon Medical Center

Acute Care Hospitals · San Angelo, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450571
Location120 E Harris Ave.San Angelo, TX 76903 · Tom Green County
Emergency services Birthing friendly

Scenic Mountain Medical Center, A Steward Family H

Acute Care Hospitals · Big Spring, TX
OwnershipProprietary
CMS Certification Number450653
Location1601 W 11th PlaceBig Spring, TX 79720 · Howard County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Internal Medicine (Cardiovascular Disease)
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Physical Therapy Assistant
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Pharmacist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Hospitalist
4502 MEDICAL DR
SAN ANTONIO, TX 78229

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 Christian Nguyen's NPI number?

The NPI number for Christian Nguyen is 1629573274. It was assigned to this individual provider in the NPPES registry on March 27, 2018. The provider is also known as Christian Q Nguyen.

Where is Christian Nguyen located?

Christian Nguyen practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-4000.

What is Christian Nguyen's specialty?

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

Is Christian Nguyen enrolled in Medicare?

Yes. Christian 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.

What insurance does Christian Nguyen accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and HMO Louisiana list Christian 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 Christian Nguyen affiliated with any hospitals?

According to CMS data, Christian Nguyen is affiliated with University Health System, Shannon Medical Center and Scenic Mountain Medical Center, A Steward Family H.

When was this NPI record last updated?

The NPPES record for Christian Nguyen was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.