DR. THOMAS T. NGUYEN M.D.
NPI 1356322861
Anesthesiology in Los Alamitos, CA
NPI Status: Active since November 10, 2005
Contact Information
10904 REAGAN ST
LOS ALAMITOS, CA
ZIP 90720
Phone: (562) 596-3140
- Individual
- Male
- Anesthesiology
- PECOS Enrolled
About THOMAS NGUYEN
This page provides the complete NPI Profile along with additional information for Thomas Nguyen, an anesthesiologist established in Los Alamitos, California with a medical specialization in Anesthesiology. The healthcare provider is registered in the NPI registry with number 1356322861 assigned on November 2005. The practitioner's primary taxonomy code is 207L00000X with license number G72340 (CA). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1356322861
- Provider Name
- DR. THOMAS T. NGUYEN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 10904 REAGAN ST LOS ALAMITOS, CA 90720
- Location Phone
- (562) 596-3140
- Mailing Address
- 6100 WATERFORD DISTRICT DR STE 450 MIAMI, FL 33126
- Mailing Phone
- (888) 787-1598
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-10-2005
- Last Update Date
- 04-17-2026
- Code Navigator
An anesthesiologist like Thomas Nguyen manages the care of surgical patients and pain relief through drug administration that reduces or eliminates pain during an operation, medical procedure or during labor and delivery of babies. During surgical procedures anesthesiologists are responsible for adjusting the amount of anesthetic, monitoring the patient's heart rate, body temperature, blood pressure and breathing.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Anesthesiology
- Taxonomy Code
- 207L00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G72340
- License State
- CA
- Taxonomy Description
- An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Medicare Participation & PECOS Enrollment Status
Thomas Nguyen is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Anesthesia for exam of colon using an endoscope
Anesthesia for lens surgery
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope
Anesthesia for other procedure on large bowel using an endoscope
Anesthesia for procedure on small and large bowel using an endoscope
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
This service was performed 13 times for 13 patientsAnesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
This service was performed 18 times for 17 patientsThis procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
This service was performed 14 times for 14 patientsAnesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
This service was performed 32 times for 31 patientsAnesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
This service was performed 23 times for 23 patientsReviews for DR. THOMAS T. NGUYEN M.D.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1356322861, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
LOS ALAMITOS, CA 90720
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1356322861, enumerated as an "individual" on November 10, 2005.
The provider is located at 10904 REAGAN ST LOS ALAMITOS, CA 90720 and the phone number is (562) 596-3140.
Anesthesiology with taxonomy code 207L00000X.
