Tri-County Gastroenterology, PC

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

Legal business name

TRI-COUNTY GASTROENTEROLOGY, PC

Practice address

37399 Garfield Rd
Suite 104
Clinton Township, MI 48036-3672

Phone

(586) 286-5400

Fax

(586) 263-4831

NPI assigned

Mar 31, 2006

Last updated

Sep 2, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Bruce S. Kovan, D.O.NPI 1265494595

Title

President / Physician

Phone

(586) 286-5400

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 12

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Bruce S. Kovan, D.O.

  • Gastroenterology Physician
  • Clinton Township, MI
  • NPI 1265494595
  Medicare reassignment Care Compare group NPD Authorized official
• Jaspreet K Ghumman, D.O.

  • Gastroenterology Physician
  • Clinton Township, MI
  • NPI 1225278054
  Medicare reassignment Care Compare group NPD
• Samuel H. Gun, D.O.

  • Gastroenterology Physician
  • Clinton Township, MI
  • NPI 1174584817
  Medicare reassignment Care Compare group NPD
• Johnathon Toma Markus, M.D.

  • Hospitalist Physician
  • Clinton TWP, MI
  • NPI 1548521461

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Wendy Ann Schill, ACNP-BC

  • Nurse Practitioner
  • Clinton TWP, MI
  • NPI 1568761393
  Medicare reassignment Care Compare group NPD
• Fernando Nicolas Gamarra, MD

  • Gastroenterology Physician
  • Clinton TWP, MI
  • NPI 1457473654
  Medicare reassignment Care Compare group
• Maja Maloney, PA-C

  • Physician Assistant
  • Clinton Township, MI
  • NPI 1346487709
  Medicare reassignment Care Compare group
• Stephanie L Smiley, PHYSICIAN ASST C

  • Physician Assistant
  • Clinton TWP, MI
  • NPI 1316918659
  Medicare reassignment Care Compare group
• Andrew M. Rosenfeld, D.O.

  • Gastroenterology Physician
  • Clinton Township, MI
  • NPI 1518929843
  Medicare reassignment NPD
• Colin Leffert, DO

  • Gastroenterology Physician
  • Louisville, CO
  • NPI 1881127140

  MI

  Medicare reassignment NPD
• Andrew R Peleman, DO

  • Gastroenterology Physician
  • Clinton Township, MI
  • NPI 1558986901
  NPD
• Karen F. Huang, D.O.

  • Gastroenterology Physician
  • Midland, MI
  • NPI 1952509911
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1143763200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788307200000",
    "number": "1285695932",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "37399 GARFIELD RD",
            "address_2": "SUITE 104",
            "city": "CLINTON TOWNSHIP",
            "state": "MI",
            "postal_code": "480363672",
            "telephone_number": "586-286-5400",
            "fax_number": "586-263-4831"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "37399 GARFIELD RD",
            "address_2": "SUITE 104",
            "city": "CLINTON TOWNSHIP",
            "state": "MI",
            "postal_code": "480363672",
            "telephone_number": "586-286-5400",
            "fax_number": "586-263-4831"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "TRI-COUNTY GASTROENTEROLOGY, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A",
        "authorized_official_last_name": "KOVAN",
        "authorized_official_first_name": "BRUCE",
        "authorized_official_middle_name": "S.",
        "authorized_official_title_or_position": "PRESIDENT / PHYSICIAN",
        "authorized_official_telephone_number": "586-286-5400",
        "authorized_official_credential": "D.O."
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melody Maureen Tranchida, SCHOOL PSYCHOLOGIST
• Timothy Lee Traugott, ACNP
• Lucas Treece, PT, DPT
• Kenneth Ray Trent-Johnson
• Holly Renee Trevor, CPRC
• Larhonda Nicole Tribble, OWNER
• Tricounty Neurological Associates, P.C.
• Trillium Anesthesia Services, PLLC
• Cheryl Lynn Trombley, FNP-BC
• Susan Gayle Trombley, PTA

• Gastroenterology Physician in Clinton Township, MI
• Providers in Clinton Township, MI by specialty
• Gastroenterology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.