IL JOON PAIK M.D.
NPI 1194039347
Internal Medicine - Gastroenterology in Miami, FL

Q: What is Il Paik's NPI number?

The NPI number for Il Paik is 1194039347. It was assigned to this individual provider in the NPPES registry on July 29, 2010.

Q: What is Il Paik'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 Il Paik was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 July 29, 2010PECOS Enrolled

3661 S MIAMI AVE STE 207, MIAMI, FL 33133(305) 273-4641 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 27, 2026, Sep 5, 2025, Mar 4, 2019 (3 updates tracked since 2019).

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About Il Joon Paik M.d. NPPES

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

IL JOON PAIK M.D. (NPI 1194039347) is an individual gastroenterology provider in Miami, Florida, licensed in Florida (ME137089) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Lee Memorial Hospital, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1194039347

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameIL JOON PAIKCredential: M.D.

Location Address3661 S MIAMI AVE STE 207Miami, FL 33133-4233

Mailing Address3661 S Miami Ave Ste 207Miami, FL 33133-4233

Phone(305) 273-4641

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateJuly 29, 2010

Last NPPES UpdateAugust 27, 20263 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1194039347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in FL · ME137089✔ Licensed in NY · 265927

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 003680 (NY)

Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License 265927 (NY)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3661 S MIAMI AVE STE 207, Miami, FL 33133

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Il Joon Paik M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527215169

PECOS Enrollment IDI20190204002475

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

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

University Of Miami

3.1 mi

Neonatal-Perinatal Medicine

1201 NW 12TH AVE, BOX 016960 M851
Miami, FL 33136

Reassigned Medicare billing, Florida enrollment
3,639 clinicians in this Medicare group

NPI 1104876382 (305) 243-7688

Gastroenterology Associates Of Southwest Florida LLC

119 mi

Internal Medicine

4790 BARKLEY CIR, BUILDING A
Ft Myers, FL 33907

Reassigned Medicare billing, Florida enrollment
64 clinicians in this Medicare group

NPI 1154304087 (239) 275-8882

Pablo Casares MD PA

1,645 mi

Nephrology

106 MESA PARK DR STE 200
El Paso, TX 79912

Reassigned Medicare billing, Texas enrollment
10 clinicians in this Medicare group

NPI 1770048175 (915) 300-3484

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 18

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 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.

102 services81 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.

70 services68 patients

Study of esophageal sensation by balloon distension 91040

This procedure involves inflating a small balloon in the esophagus, the tube connecting your mouth to your stomach. It helps doctors understand how your esophagus responds to pressure changes, aiding in the diagnosis of certain digestive disorders.

46 services45 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.

36 services36 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.

29 services29 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

This procedure involves placing a thin tube with an electrode through your nose and into your esophagus. It helps to monitor and record the function of your esophagus, aiding in diagnosing any potential issues.

29 services29 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

23 services22 patients

Study of esophagus to assess movement 91010

17 services17 patients

Monitoring and recording of esophageal function through nasal tube with electrode 91037

16 services16 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.

13 services13 patients

Monitoring and recording of esophageal function through nasal tube 91034

This procedure involves the insertion of a thin tube through the nose and into the esophagus. It helps monitor and record esophageal function, including how well food and liquids move through it. It's a safe and effective way to detect potential issues.

13 services13 patients

Test for tone and sensation of rectum and anus 91120

This procedure checks the health of the lower digestive tract. The doctor gently examines the area to assess its muscle strength and sensitivity. This helps in detecting any abnormal conditions. It's a standard, safe procedure with minimal discomfort.

13 services13 patients

Study of rectum sensitivity and function 91122

This procedure examines the rectum's sensitivity and functionality. It involves a small, soft balloon inserted into the rectum and inflated to various degrees. The goal is to assess how well your rectum can sense and respond to different volumes. It's a crucial test for diagnosing certain digestive issues.

13 services13 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.

13 services13 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

13 services12 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

12 services12 patients

Test for tone and sensation of rectum and anus 91120

11 services11 patients

Study of rectum sensitivity and function 91122

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Lee Memorial Hospital

Acute Care Hospitals · Fort Myers, FL

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number100012

Location2776 Cleveland AveFort Myers, FL 33901 · Lee County

Emergency services Birthing friendly

Cape Coral Hospital

Acute Care Hospitals · Cape Coral, FL

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number100244

Location636 Del Prado BlvdCape Coral, FL 33990 · Lee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33133 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

$141.56 typical visit price

range $60.92 – $187.05

Typical copayment $35.39 (range $15.23 – $46.76)

Most-billed visit code 99204

Established Patient

$107.17 typical visit price

range $18.99 – $150.24

Typical copayment $26.79 (range $4.74 – $37.56)

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.

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 Il Paik's NPI number?

The NPI number for Il Paik is 1194039347. It was assigned to this individual provider in the NPPES registry on July 29, 2010.

Where is Il Paik located?

Il Paik practices at 3661 S Miami Ave Ste 207, Miami, FL 33133. The listed phone number is (305) 273-4641.

What is Il Paik's specialty?

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

Is Il Paik enrolled in Medicare?

Yes. Il Paik is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Il Paik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Il Paik reassigns Medicare benefits to 3 organizations: University Of Miami (Miami, FL), Gastroenterology Associates Of Southwest Florida LLC (Ft Myers, FL) and Pablo Casares MD PA (El Paso, TX). 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 Il Paik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Il Paik accept?

Health plans from AmeriHealth Caritas Next, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida list Il Paik 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 Il Paik affiliated with any hospitals?

According to CMS data, Il Paik is affiliated with Lee Memorial Hospital and Cape Coral Hospital.

When was this NPI record last updated?

The NPPES record for Il Paik was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.