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DR. IVAN CUBAS MD
NPI 1447464912
Internal Medicine - Gastroenterology in Chula Vista, CA

Active since May 10, 2007PECOS EnrolledAccepts Medicare Assignment
629 THIRD AVE STE A, CHULA VISTA, CA 91910(619) 489-5611(619) 566-4057 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 1, 2024, Sep 28, 2024, Sep 18, 2024 and 2 more (5 updates tracked since 2020).

About Dr. Ivan Cubas Md NPPES

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

DR. IVAN CUBAS MD (NPI 1447464912) is an individual gastroenterology provider in Chula Vista, California, licensed in California (C55825) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Minot, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1447464912
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. IVAN CUBASCredential: MD
Location Address629 THIRD AVE STE AChula Vista, CA 91910-5786
Mailing AddressPo Box 27015San Diego, CA 92198-1015 · (619) 489-5611 · Fax (619) 566-4057
Phone(619) 489-5611
Fax(619) 566-4057
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateMay 10, 2007
Last NPPES UpdateSeptember 23, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2025
✔ NPI 1447464912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · C55825✔ Licensed in ND · PT21616
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.
629 THIRD AVE STE A, Chula Vista, CA 91910
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Secondary Practice Location 1

Location 12305 37th Ave SWMinot, ND 58701-7669 · Phone (701) 418-8000

Other Identifiers 1

Medicaid300150158CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota.Insurance ›

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

Dr. Ivan Cubas Md 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 ID6507917176
PECOS Enrollment IDI20141110002603
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

3

Medicare enrollment records show Ivan Cubas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ivan Cubas MD Inc
Same address
Gastroenterology
629 THIRD AVE STE A
Chula Vista, CA 91910
  • Reassigned Medicare billing, California enrollment
NPI 1427885854 (619) 489-5611
On Call Specialists Medical Group Of San Diego, Inc.
9.8 mi
Specialist
4077 FIFTH AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 218 clinicians in this Medicare group
NPI 1962175836 (619) 294-8111
Emergency And Acute Care Medical Corporation
13 mi
Emergency Medicine
7901 FROST ST
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 1,437 clinicians in this Medicare group
NPI 1437103942 (858) 939-3400

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.

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.
63 services60 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.
50 services50 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.
37 services37 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.
36 services36 patients
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.
28 services27 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
22 services21 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 4

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

ALEJANDRO G HINOJOSA-VALENCIA MD
Internal Medicine
629 THIRD AVE STE A
CHULA VISTA, CA 91910
San Diego County (619) 422-6158
CARLOS T DE CARVALHO M D INC
Internal Medicine
629 THIRD AVE STE A
CHULA VISTA, CA 91910
San Diego County (619) 422-6158
IVAN CUBAS MD INC
Internal Medicine (Gastroenterology)
629 THIRD AVE STE A
CHULA VISTA, CA 91910
San Diego County (619) 489-5611
ALEJANDRO G HINOJOSA M D INC
Internal Medicine
629 THIRD AVE STE A
CHULA VISTA, CA 91910
San Diego County (619) 422-6158

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 Ivan Cubas's NPI number?

The NPI number for Ivan Cubas is 1447464912. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Where is Ivan Cubas located?

Ivan Cubas practices at 629 Third Ave Ste A, Chula Vista, CA 91910. The listed phone number is (619) 489-5611.

What is Ivan Cubas's specialty?

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

Is Ivan Cubas enrolled in Medicare?

Yes. Ivan Cubas 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 Ivan Cubas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ivan Cubas reassigns Medicare benefits to 3 organizations: Ivan Cubas MD Inc (Chula Vista, CA), On Call Specialists Medical Group Of San Diego, Inc. (San Diego, CA) and Emergency And Acute Care Medical Corporation (San Diego, 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 Ivan Cubas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ivan Cubas accept?

Health plans from Blue Cross Blue Shield of North Dakota list Ivan Cubas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ivan Cubas was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.