DR. JOHN PAUL TZAGOURNIS M.D.
NPI 1508818998
Internal Medicine - Gastroenterology in Columbus, OH

Q: What is John Tzagournis's NPI number?

The NPI number for John Tzagournis is 1508818998. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Q: What is John Tzagournis'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 John Tzagournis was last updated on June 12, 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.

Active since May 16, 2006PECOS EnrolledAccepts Medicare Assignment

700 E BROAD ST, 2ND FLOOR, COLUMBUS, OH 43215(614) 458-1183(614) 458-1184 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. John Paul Tzagournis M.d. NPPES

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

DR. JOHN PAUL TZAGOURNIS M.D. (NPI 1508818998) is an individual gastroenterology provider in Columbus, Ohio, licensed in Ohio (35078868) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and maintains a secondary practice location in Columbus.

NPPES Registry Identity

NPI1508818998

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JOHN PAUL TZAGOURNISCredential: M.D.

Location Address700 E BROAD ST, 2ND FLOORColumbus, OH 43215-3946

Mailing Address700 Ackerman Rd, Suite 385Columbus, OH 43202-1559 · (614) 947-3700 · Fax (614) 947-3771

Phone(614) 458-1183

Fax(614) 458-1184

Sole ProprietorYes

Medical School CMSOhio State University College Of MedicineGraduated 1999

Enumeration DateMay 16, 2006

Last NPPES UpdateJune 12, 2025

NPPES CertifiedJune 12, 2025

✔ NPI 1508818998 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 OH · 35078868

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.

700 E BROAD ST, Columbus, OH 43215

Open in Google Maps ↗

Secondary Practice Location 1

Location 1111 S Grant AveColumbus, OH 43215-4701 · Phone (614) 566-9550

Other Identifiers 1

Medicaid2347375OH

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. John Paul Tzagournis 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 ID1153339817

PECOS Enrollment IDI20060323000005

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 14

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.

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.

135 services121 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.

103 services53 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.

72 services69 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.

53 services53 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.

53 services52 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

52 services52 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.

43 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.

28 services26 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.

26 services26 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.

14 services12 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.

13 services13 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

13 services13 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.

13 services13 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Riverside Methodist Hospital

Acute Care Hospitals · Columbus, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360006

Location3535 Olentangy River RdColumbus, OH 43214 · Franklin County

Emergency services Birthing friendly

Grant Medical Center

Acute Care Hospitals · Columbus, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360017

Location111 South Grant AvenueColumbus, OH 43215 · Franklin County

Emergency services Birthing friendly

Mount Carmel East & West

Acute Care Hospitals · Columbus, OH

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360035

Location6001 East Broad StreetColumbus, OH 43213 · Franklin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43215 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

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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 10

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

DR. ADAM CHARLES TZAGOURNIS MD

Internal Medicine (Gastroenterology)

700 E BROAD ST, 2ND FLOOR
COLUMBUS, OH 43215

Franklin County (614) 458-1183

GORDON YOUNG KIM D. O.

Internal Medicine (Gastroenterology)

700 E BROAD ST
COLUMBUS, OH 43215

Franklin County (614) 458-1183

MRS. KIMBERLY KAY REED PT

Physical Therapist

700 E BROAD ST
COLUMBUS, OH 43215

Franklin County (614) 224-1090

MS. KATHLEEN SUSAN TENLEY ATC

Specialist/Technologist (Athletic Trainer)

700 E BROAD ST
COLUMBUS, OH 43215

Franklin County (614) 224-1090

GRANT SCOPE CENTER, LLC

Clinic/Center (Ambulatory Surgical)

700 E BROAD ST, 1ST FLOOR
COLUMBUS, OH 43215

Franklin County (614) 917-1670

DIGESTIVE ASSOCIATES OF OHIO

Internal Medicine (Gastroenterology)

700 E BROAD ST, SECOND FLOOR
COLUMBUS, OH 43215

Franklin County (614) 458-1183

DR. TASOS MANOKAS DO

Internal Medicine (Gastroenterology)

700 E BROAD ST, 2ND FLOOR
COLUMBUS, OH 43215

Franklin County (614) 458-1183

TERESA MARIE PAULSEN PT

Physical Therapist

700 E BROAD ST
COLUMBUS, OH 43215

Franklin County (614) 224-1090

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 Tzagournis's NPI number?

The NPI number for John Tzagournis is 1508818998. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is John Tzagournis located?

John Tzagournis practices at 700 E Broad St 2nd Floor, Columbus, OH 43215. The listed phone number is (614) 458-1183.

What is John Tzagournis's specialty?

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

Is John Tzagournis enrolled in Medicare?

Yes. John Tzagournis 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 John Tzagournis accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and MedMutual and 1 other insurer list John Tzagournis 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 John Tzagournis affiliated with any hospitals?

According to CMS data, John Tzagournis is affiliated with Riverside Methodist Hospital, Grant Medical Center and Mount Carmel East & West.

When was this NPI record last updated?

The NPPES record for John Tzagournis was last updated on June 12, 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.