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KHIEM DUC NGO MD
NPI 1841920444
Internal Medicine in San Antonio, TX

Active since June 15, 2022PECOS Enrolled
1139 E SONTERRA BLVD, SAN ANTONIO, TX 78258(832) 231-7162 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Khiem Duc Ngo Md NPPES

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

KHIEM DUC NGO MD (NPI 1841920444) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (V9676) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1841920444
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKHIEM DUC NGOCredential: MD
Location Address1139 E SONTERRA BLVDSan Antonio, TX 78258-4347
Mailing Address1139 E Sonterra BlvdSan Antonio, TX 78258-4347 · (832) 231-7162
Phone(832) 231-7162
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 15, 2022
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1841920444 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 · V9676
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.
1139 E SONTERRA BLVD, San Antonio, TX 78258
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Khiem Duc Ngo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123583713
PECOS Enrollment IDI20260723004952
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 Khiem Ngo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospital Medicine Services Of Tx, PLLC
9.4 mi
Hospitalist
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 681 clinicians in this Medicare group
NPI 1881392363 (210) 575-4000

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 78258 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.

METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.
Rehabilitation Unit
1139 E SONTERRA BLVD
SAN ANTONIO, TX 78258
Bexar County (210) 638-2100
KHUSRAV MIROV AGACNP
Nurse Practitioner (Acute Care)
1139 E SONTERRA BLVD
SAN ANTONIO, TX 78258
Bexar County (210) 576-5401
TIMOTHY RYAN LENO
Physical Therapist
1139 E SONTERRA BLVD
SAN ANTONIO, TX 78258
Bexar County (210) 638-2000
DR. STEVEN KNOTT PHARM.D.
Pharmacist (Geriatric)
1139 E SONTERRA BLVD
SAN ANTONIO, TX 78258
Bexar County (210) 638-2100
DR. HARRISON WONHEE YOO M.D.
Internal Medicine
1139 E SONTERRA BLVD, SUITE #405
SAN ANTONIO, TX 78258
Bexar County (210) 404-0000
MATTHEW MICHAEL DWYER M.D.
Orthopaedic Surgery
1139 E SONTERRA BLVD, SUITE 500
SAN ANTONIO, TX 78258
Bexar County (210) 545-7171
ORTHOPEDIC PERFORMANCE INSTITUTE
Orthopaedic Surgery
1139 E SONTERRA BLVD, STE 500
SAN ANTONIO, TX 78258
Bexar County (210) 710-9509
NATHAN GAY AGACNP
Nurse Practitioner (Acute Care)
1139 E SONTERRA BLVD
SAN ANTONIO, TX 78258
Bexar County (210) 638-2000

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 Khiem Ngo's NPI number?

The NPI number for Khiem Ngo is 1841920444. It was assigned to this individual provider in the NPPES registry on June 15, 2022.

Where is Khiem Ngo located?

Khiem Ngo practices at 1139 E Sonterra Blvd, San Antonio, TX 78258. The listed phone number is (832) 231-7162.

What is Khiem Ngo's specialty?

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

Is Khiem Ngo enrolled in Medicare?

Yes. Khiem Ngo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Khiem Ngo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Khiem Ngo reassigns Medicare benefits to Hospital Medicine Services Of Tx, PLLC (San Antonio, TX). 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 Khiem Ngo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Khiem Ngo accept?

Health plans from UnitedHealthcare list Khiem Ngo 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.

When was this NPI record last updated?

The NPPES record for Khiem Ngo was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.