DR. DINH T. NGUYEN MD
NPI 1922259159
General Practice in Garden Grove, CA

NPI Status: Active since October 07, 2008

Contact Information

9681 GARDEN GROVE BLVD STE 104
GARDEN GROVE, CA
ZIP 92844
Phone: (714) 462-6062
Fax: (714) 462-6072

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  • Individual
  • Male
  • Years of Experience 21
  • General Practice
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DINH NGUYEN

This page provides the complete NPI Profile along with additional information for Dinh Nguyen, a primary care provider established in Garden Grove, California with a medical specialization in General Practice and more than 21 years of experience. The healthcare provider is registered in the NPI registry with number 1922259159 assigned on October 2008. The practitioner's primary taxonomy code is 208D00000X with license number A122677 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1922259159
Provider Name
DR. DINH T. NGUYEN MD
Gender
Male
Entity Type
Individual
Location Address
9681 GARDEN GROVE BLVD STE 104 GARDEN GROVE, CA 92844
Location Phone
(714) 462-6062
Location Fax
(714) 462-6072
Mailing Address
9681 GARDEN GROVE BLVD STE 104 GARDEN GROVE, CA 92844
Mailing Phone
(714) 462-6062
Mailing Fax
(714) 462-6072
Medical School Name
OTHER
Graduation Year
2005
Is Sole Proprietor?
Yes
Enumeration Date
10-07-2008
Last Update Date
06-12-2026
Code Navigator

A primary care provider (PCP) like Dinh Nguyen sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
A122677
License State
CA
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1174400000XOther Service Providers

Specialist

A122677 (CA)
2208200000XAllopathic & Osteopathic Physicians

Plastic Surgery

A122677 (CA)
3208600000XAllopathic & Osteopathic Physicians

Surgery

A122677 (CA)

Medicare Participation & PECOS Enrollment Status

Dinh Nguyen is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Dinh 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

  • PECOS PAC ID: 8527108133

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20230825002039

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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.

Application of chemical to stop tissue regrowth in wound

This procedure involves applying a special chemical to a wound to prevent unwanted tissue from growing back. It aids in proper healing by ensuring only healthy tissue regrows. It's a common, safe practice in wound care.

This service was performed 183 times for 22 patients

Removal of bone, 20.0 sq cm or less

The procedure involves the surgical removal of a section of bone, up to 20.0 square cm in size. This may be necessary due to various reasons such as injury, infection, or to treat a disease. The process aims to alleviate pain, enhance mobility, or prevent the spread of disease.

This service was performed 68 times for 20 patients

Removal of bone, each additional 20.0 sq cm or less

This procedure involves the surgical removal of a specified amount of bone, typically due to disease or injury. Each additional 20.0 square cm or less refers to the size of the bone area being removed. It's a precise operation performed by skilled surgeons.

This service was performed 97 times for 13 patients

Removal of muscle and/or tissue, 20.0 sq cm or less

This procedure involves the surgical removal of a specified area (20.0 sq cm or less) of muscle and/or tissue. It's typically done to treat conditions like tumors, infections, or injuries. Local or general anesthesia ensures comfort. Recovery time varies.

This service was performed 442 times for 92 patients

Removal of muscle and/or tissue, each additional 20.0 sq cm or less

This procedure involves the removal of muscle and/or tissue, typically to treat disease or injury. An additional 20.0 square cm or less of tissue may be removed if necessary. The process is performed by a skilled medical professional to ensure your safety and recovery.

This service was performed 326 times for 35 patients

Removal of skin and tissue, 20.0 sq cm or less

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

This service was performed 99 times for 12 patients

Removal of skin and tissue, 20.0 sq cm or less

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

This service was performed 413 times for 111 patients

Removal of skin and tissue, each additional 20.0 sq cm or less

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

This service was performed 235 times for 24 patients

Replacement of stomach or large bowel tube using fluoroscopic guidance with contrast

This procedure involves replacing a tube in your stomach or large bowel. It's guided by a special type of X-ray called fluoroscopy, which helps ensure accurate placement. Contrast material is used to enhance the visibility of your internal structures.

This service was performed 60 times for 54 patients

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

This service was performed 276 times for 81 patients

Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes

An established patient home visit is a service where a healthcare professional visits your home for a 15-minute check-up. It's designed for patients who have previously seen the professional. The visit may include basic health assessments and discussions about your ongoing care.

This service was performed 24 times for 23 patients

Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes

A new patient home visit is a 30-minute appointment where a healthcare provider comes to your home to assess your health needs. This can include discussing your medical history, current conditions, and treatment plans. It's a convenient way to receive care in your own environment.

This service was performed 43 times for 43 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 51 times for 18 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 19 times for 12 patients

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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 1922259159, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 2 → 4 2 → 4 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 4 + 2 + 4 + 5 + 1 + 8 + 1 + 1 + 0 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1922259159.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Dentist
9681 GARDEN GROVE BLVD STE 104
GARDEN GROVE, CA 92844
Dentist (Prosthodontics)
9681 GARDEN GROVE BLVD STE 104
GARDEN GROVE, CA 92844
Dentist (Prosthodontics)
9681 GARDEN GROVE BLVD STE 104
GARDEN GROVE, CA 92844
Specialist
9681 GARDEN GROVE BLVD STE 104
GARDEN GROVE, CA 92844
Family Medicine
9681 GARDEN GROVE BLVD STE 104
GARDEN GROVE, CA 92844

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922259159, enumerated as an "individual" on October 07, 2008.

The provider is located at 9681 GARDEN GROVE BLVD STE 104 GARDEN GROVE, CA 92844 and the phone number is (714) 462-6062.

General Practice with taxonomy code 208D00000X.