DR. LUIS ALVAREZ NIDEA MD
NPI 1154311751
Internal Medicine - Gastroenterology in South Bend, IN

Q: What is Luis Nidea's NPI number?

The NPI number for Luis Nidea is 1154311751. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Q: What is Luis Nidea's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Luis Nidea was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since October 25, 2005PECOS EnrolledAccepts Medicare Assignment

621 MEMORIAL DR STE 511, SOUTH BEND, IN 46601(574) 544-5580(574) 544-5579 Get Directions Write a Review

NPPES record last updated: March 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2025, Oct 4, 2021 (2 updates tracked since 2021).

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About Dr. Luis Alvarez Nidea Md NPPES

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

DR. LUIS ALVAREZ NIDEA MD (NPI 1154311751) is an individual gastroenterology provider in South Bend, Indiana, licensed in Indiana (01058943A) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Elkhart General Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1154311751

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. LUIS ALVAREZ NIDEACredential: MD

Location Address621 MEMORIAL DR STE 511South Bend, IN 46601-1075

Mailing Address3245 Health Dr Ste 100Granger, IN 46530-1380 · (574) 647-1840

Phone(574) 544-5580

Fax(574) 544-5579

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1985

Enumeration DateOctober 25, 2005

Last NPPES UpdateMarch 7, 20252 updates tracked since enumeration

NPPES CertifiedMarch 7, 2025

✔ NPI 1154311751 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 IN · 01058943A

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.

621 MEMORIAL DR STE 511, South Bend, IN 46601

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Secondary Practice Locations 2

Location 11020 High RdBremen, IN 46506-1093 · Phone (574) 309-9967 · Fax (574) 309-9968

Location 2100 Navarre Pl Ste 4400South Bend, IN 46601-1100 · Phone (574) 544-5580 · Fax (574) 544-5579

Other Identifiers 1

Medicaid200478990IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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. Luis Alvarez Nidea 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 ID143295816

PECOS Enrollment IDI20040827000223

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 13

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.

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.

96 services96 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.

78 services78 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

55 services54 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.

40 services38 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.

38 services38 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.

38 services34 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

34 services31 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

29 services29 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.

25 services25 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

18 services18 patients

Study of esophagus to assess movement 91010

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Prolonged monitoring and recording of esophageal function through nasal tube with electrode 91038

This procedure involves the insertion of a thin, flexible tube through the nose into the esophagus. An electrode on the tube records esophageal activity over an extended period, helping to identify any functional issues.

14 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Elkhart General Hospital

Acute Care Hospitals · Elkhart, IN

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150018

Location600 E BlvdElkhart, IN 46514 · Elkhart County

Emergency services Birthing friendly

Memorial Hospital Of South Bend

Acute Care Hospitals · South Bend, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150058

Location615 N Michigan StSouth Bend, IN 46601 · St. Joseph County

Emergency services Birthing friendly

Community Hospital Of Bremen Inc

Critical Access Hospitals · Bremen, IN

OwnershipVoluntary non-profit - Private

CMS Certification Number151300

Location1020 High RdBremen, IN 46506 · Marshall County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46601 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

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

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

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

Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each A5063

DME-Orthotic Devices · category DF010N

1 supplier12 claims240 services$2.09 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 2

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

DR. ZUHAIR HABIB YASEEN MD

Internal Medicine (Gastroenterology)

621 MEMORIAL DR STE 511
SOUTH BEND, IN 46601

St. Joseph County (574) 544-5580

DR. JOHN P. KARAGIANNIS M.D.

Internal Medicine (Gastroenterology)

621 MEMORIAL DR STE 511
SOUTH BEND, IN 46601

St. Joseph County (574) 544-5580

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 Luis Nidea's NPI number?

The NPI number for Luis Nidea is 1154311751. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Luis Nidea located?

Luis Nidea practices at 621 Memorial Dr Ste 511, South Bend, IN 46601. The listed phone number is (574) 544-5580.

What is Luis Nidea's specialty?

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

Is Luis Nidea enrolled in Medicare?

Yes. Luis Nidea 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.

What insurance does Luis Nidea accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Luis Nidea 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.

Is Luis Nidea affiliated with any hospitals?

According to CMS data, Luis Nidea is affiliated with Elkhart General Hospital, Memorial Hospital Of South Bend and Community Hospital Of Bremen Inc.

When was this NPI record last updated?

The NPPES record for Luis Nidea was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.