DR. LINHKIEU THI NGUYEN
NPI 1912009929
Family Medicine in San Diego, CA

Active since September 01, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D1031054 · Microscopy
3575 EUCLID AVENUE, SAN DIEGO, CA 92105(619) 284-1400(619) 284-1113 Get Directions Write a Review

NPPES record last updated: June 16, 2011. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Linhkieu Thi Nguyen NPPES

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

DR. LINHKIEU THI NGUYEN (NPI 1912009929) is an individual family medicine provider in San Diego, California, licensed in California (A83886) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through September 21, 2028, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1912009929
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. LINHKIEU THI NGUYEN
Location Address3575 EUCLID AVENUESan Diego, CA 92105
Mailing Address3575 Euclid Avenue, Suite 100San Diego, CA 92105-0000 · (619) 284-1400 · Fax (619) 384-1113
Fax(619) 284-1113
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 1, 2006
Last NPPES UpdateJune 16, 2011
✔ NPI 1912009929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A83886
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3575 EUCLID AVENUE, San Diego, CA 92105

Other Names 1

Professional Name (2)Dr. Linhkieu Thi Nguyen M.d.

Other Identifiers 3

Medicaid00A838860CA
Medicare ID-Type UnspecifiedWA83886B
Medicare UPINH95413CA

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. Linhkieu Thi Nguyen 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 ID8123093986
PECOS Enrollment IDI20040831000744
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D1031054

Linhkieu T Nguyen MD Inc · San Diego, CA
Active · expires Sep 21, 2028
CLIA Number05D1031054
Laboratory TypePhysician Office
Certificate Effective DateSeptember 22, 2026
Certificate Expiration DateSeptember 21, 2028
Laboratory DirectorLinhkieu T. Nguyen
Laboratory Phone(619) 284-1400
Laboratory LocationLinhkieu T Nguyen MD Inc3575 Euclid Avenue Ste 100, San Diego, CA 92105
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
35 services22 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
31 services20 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services17 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
23 services13 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92105 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 8

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

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier13 claims396 services$4.20 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims3,614 services$0.25 avg. paid by Medicare
Enteral formula, nutritionally incomplete/modular nutrients, includes specific nutrients, carbohydrates (e.g., glucose polymers), proteins/amino acids (e.g., glutamine, arginine), fat (e.g., medium chain triglycerides) or combination, administered through an enteral feeding tube, 100 calories = 1 unit B4155
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims730 services$0.57 avg. paid by Medicare
Iv pole E0776
DME-Other DME · category DE000N
1 supplier13 claims13 services$4.45 avg. paid by Medicare
Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955
DME-Wheelchairs · category DD021N
1 supplier13 claims13 services$12.97 avg. paid by Medicare
Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028
DME-Wheelchairs · category DD021N
1 supplier11 claims11 services$13.30 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
3575 EUCLID AVENUE
SAN DIEGO, CA 92105

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 Linhkieu Nguyen's NPI number?

The NPI number for Linhkieu Nguyen is 1912009929. It was assigned to this individual provider in the NPPES registry on September 1, 2006. The provider is also known as Dr. Linhkieu Thi Nguyen M.D..

Where is Linhkieu Nguyen located?

Linhkieu Nguyen practices at 3575 Euclid Avenue, San Diego, CA 92105. The listed phone number is (619) 284-1400.

What is Linhkieu Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Linhkieu Nguyen enrolled in Medicare?

Yes. Linhkieu 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.

Does Linhkieu Nguyen hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D1031054) is associated with this NPI, valid through September 21, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Linhkieu Nguyen was last updated on June 16, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.