DR. LIEM THANH NGUYEN M.D.
NPI 1982865952
Internal Medicine in San Angelo, TX

Active since June 22, 2008PECOS EnrolledAccepts Medicare Assignment
49.4/100
CMS Quality Rating
3501 KNICKERBOCKER RD, SAN ANGELO, TX 76904(325) 245-4000 Get Directions Write a Review

NPPES record last updated: January 18, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Liem Thanh Nguyen M.d. NPPES

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

DR. LIEM THANH NGUYEN M.D. (NPI 1982865952) is an individual internal medicine provider in San Angelo, Texas, licensed in Texas (P0453) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Hendrick Medical Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1982865952
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LIEM THANH NGUYENCredential: M.D.
Location Address3501 KNICKERBOCKER RDSan Angelo, TX 76904-7610
Mailing Address3501 Knickerbocker RdSan Angelo, TX 76904-7610 · (325) 245-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 22, 2008
Last NPPES UpdateJanuary 18, 2012
NPI 1982865952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · P0453
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.
3501 KNICKERBOCKER RD, San Angelo, TX 76904

Other Identifiers 2

Medicaid284190001TX
Medicare PINTXB135706TX

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

Dr. Liem Thanh Nguyen M.d. 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 ID8224209135
PECOS Enrollment IDI20110927000070
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 5

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 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.
682 services253 patients
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.
227 services122 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.
141 services133 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
63 services63 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.
23 services22 patients

Hospital Affiliations CMS Care Compare

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

Hendrick Medical Center

Acute Care Hospitals · Abilene, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450229
Location1900 PineAbilene, TX 79601 · Taylor County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76904 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

49.4/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality30.6
Improvement Activities40
Cost29.53

Reported Quality Measures

Documentation of Current Medications in the Medical Record
98%151 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers70 claims70 services$22.35 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers65 claims65 services$95.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Nurse Anesthetist, Certified Registered
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Advanced Practice Midwife
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Internal Medicine (Hospice and Palliative Medicine)
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Emergency Medicine
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Emergency Medicine (Undersea and Hyperbaric Medicine)
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Anesthesiology
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904
Nurse Practitioner
3501 KNICKERBOCKER RD
SAN ANGELO, TX 76904

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 Liem Nguyen's NPI number?

The NPI number for Liem Nguyen is 1982865952. It was assigned to this individual provider in the NPPES registry on June 22, 2008.

Where is Liem Nguyen located?

Liem Nguyen practices at 3501 Knickerbocker Rd, San Angelo, TX 76904. The listed phone number is (325) 245-4000.

What is Liem Nguyen's specialty?

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

Is Liem Nguyen enrolled in Medicare?

Yes. Liem 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 Liem Nguyen accept?

Health plans from Blue Cross and Blue Shield of Texas list Liem 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 Liem Nguyen affiliated with any hospitals?

According to CMS data, Liem Nguyen is affiliated with Hendrick Medical Center.

When was this NPI record last updated?

The NPPES record for Liem Nguyen was last updated on January 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.