1. Home
  2. Search
  3. California
  4. Internal Medicine Physician
  5. THERESA THANH NGOC NGUYEN, MD, INC.
Provider record · NPI 1750667192 · active

THERESA THANH NGOC NGUYEN, MD, INC.

Internal Medicine Physician in SANTA ANA, California

Record

NPI
1750667192
Type
Organization (NPI-2)
Specialty
Internal Medicine Physician (207R00000X)
Practice location
SANTA ANA CA 92703
Practice phone
7147758090
Last updated
2026-07-20

Is this you, and is something here wrong? Report a problem with this listing — a person reads every report, and nothing changes until they decide. To have your details taken out altogether, use Remove my information.

Contact details

Work email
Not on file
Home address
Not matched
Cell phone
Not matched

Contact details are revealed to signed-in customers one provider at a time, counted against a daily allowance and logged. See plans.

Leadership on file

No named leadership contacts on file.

Executives, officers and owners as public filings name them, with the title each filing gives them. Leadership across US healthcare, by role.

What they bill and prescribe

The procedures this provider billed Medicare for, code by code, and the drugs they prescribed under Part D — from published Medicare data for 2024, for signed-in customers. Search can be filtered on either by name, so “knee replacement” and “Eliquis” are queries rather than codes.

Published Medicare fee-for-service data for 2024, covering about one in seven clinicians nationally, and more in the specialties that bill it most — not all-payor claims, and low-volume providers are removed before publication. A provider with nothing published has no published Medicare volume, which covers no volume, volume below the publication threshold and not billing Medicare at all — the published data does not separate them. Provider-level aggregates only; nothing patient-level exists here. What it covers.

Also in the record

Group affiliations and employers, facility ownership, programme standing and licence detail appear here for signed-in customers.

Similar organisations

Organisations like THERESA THANH NGOC NGUYEN, MD, INC.

OrganisationTypeLocationBeds
Ajay G. Meka M.D. Inc.Internal Medicine PhysicianSanta Ana, CA—
Avid MedicalInternal Medicine PhysicianSanta Ana, CA—
Brush Advisories MedicalInternal Medicine PhysicianSanta Ana, CA—
Dara Saghafi MD, DC, IncInternal Medicine PhysicianSanta Ana, CA—
Dilshad Medical IncInternal Medicine PhysicianSanta Ana, CA—
George Moran Jr., M.D., Inc.Internal Medicine PhysicianSanta Ana, CA—
Hon Yu, M.D., Inc.Internal Medicine PhysicianSanta Ana, CA—
Internal Wellness Medical Center, Inc.Internal Medicine PhysicianSanta Ana, CA—

An NPI is an identifier, not a credential: it says this provider is enumerated, not that they are licensed or in good standing today.

THERESA THANH NGOC NGUYEN, MD, INC. · NPI 1750667192 · NPI Mark