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DR. JOHN J DUQUE M.D.
NPI 1295710747
Internal Medicine - Gastroenterology in Chula Vista, CA

Active since December 07, 2005PECOS EnrolledAccepts Medicare Assignment
480 4TH AVE, SUITE 316, CHULA VISTA, CA 91910(619) 691-0240(619) 691-8804 Get Directions Write a Review

NPPES record last updated: November 25, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John J Duque M.d. NPPES

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

DR. JOHN J DUQUE M.D. (NPI 1295710747) is an individual gastroenterology provider in Chula Vista, California, licensed in California (G48442) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1981).

NPPES Registry Identity

NPI1295710747
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JOHN J DUQUECredential: M.D.
Location Address480 4TH AVE, SUITE 316Chula Vista, CA 91910-4410
Mailing Address480 4th Ave, Suite 316Chula Vista, CA 91910-4410 · (619) 691-0240 · Fax (619) 691-8804
Phone(619) 691-0240
Fax(619) 691-8804
Sole ProprietorYes
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1981
Enumeration DateDecember 7, 2005
Last NPPES UpdateNovember 25, 2013
✔ NPI 1295710747 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 · G48442
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.
480 4TH AVE, Chula Vista, CA 91910
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Other Identifiers 3

Medicaid00G484420CA
Medicare UPINA51059CA
Medicare ID-Type UnspecifiedG48442CA

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. John J Duque 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 ID6305853508
PECOS Enrollment IDI20090422000614
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.

Areas of Expertise CMS Part B claims 7

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.
143 services118 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.
129 services129 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.
44 services43 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.
42 services42 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.
40 services40 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.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91910 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
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.

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.

ADULT MEDICINE AND WELLNESS INC
Internal Medicine
480 4TH AVE, SUITE 516
CHULA VISTA, CA 91910
San Diego County (619) 476-9054
WILLIAM E. MONK, M.D., INC
Family Medicine
480 4TH AVE, SUITE 202
CHULA VISTA, CA 91910
San Diego County (619) 427-3361
VICTOR MORA D.D.S.
Dentist
480 4TH AVE, STE # 314
CHULA VISTA, CA 91910
San Diego County (619) 425-8060
KOUSAY A. AL-KOURAINY, M.D.
Clinical Medical Laboratory
480 4TH AVE, SUITE 409
CHULA VISTA, CA 91910
San Diego County (619) 425-2080
WILLIAM C EVES M D INC
Orthopaedic Surgery
480 4TH AVE, SUITE 307
CHULA VISTA, CA 91910
San Diego County (619) 426-3240
DANIEL GUPTILL
Physical Therapist
480 4TH AVE
CHULA VISTA, CA 91910
San Diego County (619) 409-3690
WESTERN PHARMACY GROUP LLC
Pharmacy (Community/Retail Pharmacy)
480 4TH AVE
CHULA VISTA, CA 91910
San Diego County (619) 427-1444
MRS. VERA RAKIC DPT
Physical Therapist
480 4TH AVE, SUITE 301
CHULA VISTA, CA 91910
San Diego County (619) 409-3690

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 John Duque's NPI number?

The NPI number for John Duque is 1295710747. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is John Duque located?

John Duque practices at 480 4th Ave Suite 316, Chula Vista, CA 91910. The listed phone number is (619) 691-0240.

What is John Duque's specialty?

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

Is John Duque enrolled in Medicare?

Yes. John Duque 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.

When was this NPI record last updated?

The NPPES record for John Duque was last updated on November 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.