NARESH T GUNARATNAM M.D.
NPI 1194704486
Internal Medicine - Gastroenterology in Eagan, MN

Active since January 13, 2006PECOS EnrolledAccepts Medicare Assignment
1185 TOWN CENTRE DR STE 205, EAGAN, MN 55123(612) 871-1145(612) 870-5491 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 22, 2026, Nov 19, 2025, Aug 9, 2024 (3 updates tracked since 2024).

About Naresh T Gunaratnam M.d. NPPES

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

NARESH T GUNARATNAM M.D. (NPI 1194704486) is an individual gastroenterology provider in Eagan, Minnesota, licensed in Michigan (066308) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Wyandot Memorial Hospital, and maintains a secondary practice location in Upper Sandusky.

NPPES Registry Identity

NPI1194704486
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameNARESH T GUNARATNAMCredential: M.D.
Location Address1185 TOWN CENTRE DR STE 205Eagan, MN 55123-1370
Mailing AddressPo Box 14909Minneapolis, MN 55414-0909 · (612) 871-1145 · Fax (612) 870-5491
Fax(612) 870-5491
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 1991
Enumeration DateJanuary 13, 2006
Last NPPES UpdateJanuary 22, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
NPI 1194704486 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 MI · 066308 Licensed in OH · 35.154712
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.
1185 TOWN CENTRE DR STE 205, Eagan, MN 55123

Secondary Practice Location 1

Location 1885 N Sandusky AveUpper Sandusky, OH 43351-1098 · Phone (419) 294-5757 · Fax (419) 294-6777

Other Identifiers 8

Other0812773MI · Bcbs Individual
Other016711MI · Midwest Health Plan
Other8827203MI · Cigna
Other0H14989MI · Bcbs Group
Other100013737MI · Medicare Railroad Ptan
Medicaid0157386OH
Medicaid4110501MI
Other7427167MI · Aetna

Accepted 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

Naresh T Gunaratnam 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 ID3577517978
PECOS Enrollment IDI20240823002710
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.

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 services41 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.
37 services36 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.
33 services33 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 services25 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.
19 services19 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Wyandot Memorial Hospital

Critical Access Hospitals · Upper Sandusky, OH
OwnershipGovernment - Hospital District or Authority
CMS Certification Number361329
Location885 North Sandusky AvenueUpper Sandusky, OH 43351 · Wyandot County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55123 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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 12

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

Physician Assistant
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Physician Assistant (Medical)
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Internal Medicine (Gastroenterology)
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Internal Medicine (Gastroenterology)
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Physician Assistant
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Physician Assistant (Medical)
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Internal Medicine (Gastroenterology)
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123
Internal Medicine (Gastroenterology)
1185 TOWN CENTRE DR STE 205
EAGAN, MN 55123

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 Naresh Gunaratnam's NPI number?

The NPI number for Naresh Gunaratnam is 1194704486. It was assigned to this individual provider in the NPPES registry on January 13, 2006.

Where is Naresh Gunaratnam located?

Naresh Gunaratnam practices at 1185 Town Centre Dr Ste 205, Eagan, MN 55123. The listed phone number is (612) 871-1145.

What is Naresh Gunaratnam's specialty?

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

Is Naresh Gunaratnam enrolled in Medicare?

Yes. Naresh Gunaratnam 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 Naresh Gunaratnam accept?

Health plans from HealthPartners, Medica and Priority Health list Naresh Gunaratnam 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 Naresh Gunaratnam affiliated with any hospitals?

According to CMS data, Naresh Gunaratnam is affiliated with Wyandot Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Naresh Gunaratnam was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.