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QUANG QUOC PHAN M.D.
NPI 1982698957
Internal Medicine - Gastroenterology in Garden Grove, CA

Active since September 07, 2005PECOS EnrolledAccepts Medicare Assignment
12665 GARDEN GROVE BLVD, SUITE 304, GARDEN GROVE, CA 92843(714) 537-5302(714) 537-0592 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Quang Quoc Phan M.d. NPPES

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

QUANG QUOC PHAN M.D. (NPI 1982698957) is an individual gastroenterology provider in Garden Grove, California, licensed in California (A44365) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Mississippi School Of Medicine (1986).

NPPES Registry Identity

NPI1982698957
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameQUANG QUOC PHANCredential: M.D.
Location Address12665 GARDEN GROVE BLVD, SUITE 304Garden Grove, CA 92843-1901
Mailing Address12665 Garden Grove Blvd, Suite 304Garden Grove, CA 92843-1901 · (714) 537-5302 · Fax (714) 537-0592
Phone(714) 537-5302
Fax(714) 537-0592
Sole ProprietorYes
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 1986
Enumeration DateSeptember 7, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1982698957 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A44365
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
12665 GARDEN GROVE BLVD, Garden Grove, CA 92843
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINE83844CA
Medicare ID-Type UnspecifiedA44365CA
Medicaid00A443651CA

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

Quang Quoc Phan 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 ID5496844581
PECOS Enrollment IDI20100928000773
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 Reassignment

Medicare enrollment records show Quang Phan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Quang Q Phan, MD, Facp, Inc
Same address
Gastroenterology
12665 GARDEN GROVE BLVD, SUITE 304
Garden Grove, CA 92843
  • Reassigned Medicare billing, California enrollment
NPI 1801007679 (714) 537-5302

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.
364 services243 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
335 services335 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
112 services112 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
87 services87 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
76 services76 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
58 services58 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92843 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.

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.

SANG KWAK PHYSICAL THERAPY, INC.
Physical Therapist
12665 GARDEN GROVE BLVD, SUITE 707
GARDEN GROVE, CA 92843
Orange County (714) 537-1234
SUNSHINE KIDS MEDICAL ASSOCIATES INC
Pediatrics
12665 GARDEN GROVE BLVD, #604
GARDEN GROVE, CA 92843
Orange County (714) 537-8777
ROBERT E RAMSEY D.D.S.
Dentist
12665 GARDEN GROVE BLVD, 102
GARDEN GROVE, CA 92843
Orange County (714) 537-3598
DR. HENRY A GOTTERER PHARMD
Pharmacist
12665 GARDEN GROVE BLVD, #108
GARDEN GROVE, CA 92843
Orange County (714) 530-1130
DR. ANNMARIE TRANG NGUYEN MD
Clinic/Center (Medical Specialty)
12665 GARDEN GROVE BLVD, SUITE 611
GARDEN GROVE, CA 92843
Orange County (714) 539-5225
STRONGKIDS MEDICAL GROUP, INC
Pediatrics
12665 GARDEN GROVE BLVD, SUITE 713
GARDEN GROVE, CA 92843
Orange County (714) 537-6595
SELECT MULTI SPECIALTY MEDICAL CARE
Clinical Medical Laboratory
12665 GARDEN GROVE BLVD, 203
GARDEN GROVE, CA 92843
Orange County (714) 591-5683
DR. ROBIN ANN HYBL M.D.
Pediatrics
12665 GARDEN GROVE BLVD, SUITE 300
GARDEN GROVE, CA 92843
Orange County (714) 537-8777

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 Quang Phan's NPI number?

The NPI number for Quang Phan is 1982698957. It was assigned to this individual provider in the NPPES registry on September 7, 2005.

Where is Quang Phan located?

Quang Phan practices at 12665 Garden Grove Blvd Suite 304, Garden Grove, CA 92843. The listed phone number is (714) 537-5302.

What is Quang Phan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Quang Phan enrolled in Medicare?

Yes. Quang Phan 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 organization bills Medicare for Quang Phan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Quang Phan reassigns Medicare benefits to Quang Q Phan, MD, Facp, Inc (Garden Grove, CA). The 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 Quang Phan'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 Quang Phan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.