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DANIEL LUONG M.D.
NPI 1811420508
Internal Medicine in Garden Grove, CA

Active since April 10, 2017PECOS EnrolledAccepts Medicare Assignment
9191 WESTMINSTER AVE, GARDEN GROVE, CA 92844(714) 899-2000 Get Directions Write a Review

NPPES record last updated: December 22, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2020, Apr 10, 2017 (2 updates tracked since 2017).

About Daniel Luong M.d. NPPES

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

DANIEL LUONG M.D. (NPI 1811420508) is an individual internal medicine provider in Garden Grove, California, licensed in California (A166770) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1811420508
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDANIEL LUONGCredential: M.D.
Location Address9191 WESTMINSTER AVEGarden Grove, CA 92844-2751
Mailing AddressPo Box 3360Montebello, CA 90640-8660
Phone(714) 899-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 10, 2017
Last NPPES UpdateDecember 22, 20232 updates tracked since enumeration
NPPES CertifiedAugust 6, 2020
✔ NPI 1811420508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A166770
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
9191 WESTMINSTER AVE, Garden Grove, CA 92844
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Daniel Luong M.d. 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 ID9032480892
PECOS Enrollment IDI20201002000973
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 Reassignments

2

Medicare enrollment records show Daniel Luong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dao Medical Group Inc
0.1 mi
Internal Medicine
9191 WESTMINSTER AVE
Garden Grove, CA 92844
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group
NPI 1073957239 (714) 899-2000
Southern California Permanente Medical Group
8.1 mi
Health Maintenance Organization
1893 W MALVERN AVE
Fullerton, CA 92833
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1336556059 (877) 608-0044

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 92844 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers22 claims41 services$4.32 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers15 claims17 services$0.80 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 20

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

DAO MEDICAL GROUP INC
Internal Medicine
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Orange County (714) 899-2000
JEFFREY TAN HO, INC.
Physical Medicine & Rehabilitation
9191 WESTMINSTER AVE, SUITE 207
GARDEN GROVE, CA 92844
Orange County (714) 894-6600
MRS. YEN THI NGUYEN PNP
Nurse Practitioner (Pediatrics)
9191 WESTMINSTER AVE, STE 106
GARDEN GROVE, CA 92844
Orange County (714) 583-6340
HELEN HOANG NGUYEN
Nurse Practitioner (Family)
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Orange County (714) 899-2000
WEST GROUP PHARMACEUTICAL CORP
Pharmacy (Long Term Care Pharmacy)
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Orange County (714) 899-1111
WEST GROUP PHARMACEUTICAL CORP
Pharmacy (Community/Retail Pharmacy)
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Orange County (714) 899-1111
EXCELLENCE PHYSICAL THERAPY INC
Physical Therapist
9191 WESTMINSTER AVE, SUITE 202
GARDEN GROVE, CA 92844
Orange County (714) 705-5372
DR. PHUONG PHAM TRAN DO
Internal Medicine
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Orange County (714) 899-2000

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 Daniel Luong's NPI number?

The NPI number for Daniel Luong is 1811420508. It was assigned to this individual provider in the NPPES registry on April 10, 2017.

Where is Daniel Luong located?

Daniel Luong practices at 9191 Westminster Ave, Garden Grove, CA 92844. The listed phone number is (714) 899-2000.

What is Daniel Luong's specialty?

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

Is Daniel Luong enrolled in Medicare?

Yes. Daniel Luong 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.

Which organizations bill Medicare for Daniel Luong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Luong reassigns Medicare benefits to 2 organizations: Dao Medical Group Inc (Garden Grove, CA) and Southern California Permanente Medical Group (Fullerton, CA). Each 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 Daniel Luong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Daniel Luong was last updated on December 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.