NPIMap

Individual provider Active NPI

Serhan Karvar, MD

  • Gastroenterology Physician
  • Iowa City, IA
National Provider Identifier
1992209167
Registry record updated Nov 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
SP-0258 Issued in IA
Practice address
200 Hawkins Dr
Iowa City, IA 52242-1009
Phone
(319) 356-2132
Fax
(319) 356-8559
NPI assigned
Mar 21, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 20, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X SP-0258 IA
Gastroenterology Physician 207RG0100X AL51940 SC
Gastroenterology Physician 207RG0100X SP-0258 IA Primary

Addresses

Primary practice location

200 Hawkins Dr
Iowa City, IA 52242-1009

Mailing address

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-2132

Other practice location 1

500 E Market St
Iowa City, IA 52245-2633
Phone (319) 339-3551

Other practice location 2

540 E Jefferson St Ste 400
Iowa City, IA 52245-2479
Phone (319) 337-5997

Other practice location 3

105 E 9th St
Coralville, IA 52241-2209
Phone (319) 467-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230413000767 IA Practitioner - GastroenterologyPractitioner - Internal Medicine 9436406063 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
State University of Iowa 1,886 clinicians

Practice addresses (Care Compare)

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-1616

Hospital & facility affiliations

  • University of Iowa Hospital & Clinics Hospital, Iowa City, IA, CCN 160058

Merit-based Incentive Payment System (MIPS)

Final score
80.02 of 100Reported as group
Quality
75.68
Promoting interoperability
78
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Upper gastrointestinal (GI) endoscopy for acid reflux35

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
State University of Iowa Internal Medicine CurrentSince Apr 5, 2023 Accepting new patients
State University of Iowa Past Accepting new patients

Locations

105 E 9th St
Iowa City, IA 52241
Phone (319) 467-2000

540 E Jefferson St
Ste 400
Iowa City, IA 52245
Phone (319) 339-3400

500 E Market St
Iowa City, IA 52245
Phone (319) 339-0300

200 Hawkins Dr
#H
Iowa City, IA 52242
Phone (319) 356-1616

200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-1616

Interoperability endpoints

  • Direct secure messaging: skarvar270639@uihcdirect.org

Organizations & group practices 22

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 22

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1521590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1992209167",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-2132",
            "fax_number": "319-356-8559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 HAWKINS DR",
            "city": "IOWA CITY",
            "state": "IA",
            "postal_code": "522421009",
            "telephone_number": "319-356-2132",
            "fax_number": "319-356-8559"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 E Market St",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522452633",
            "country_code": "US",
            "telephone_number": "319-339-3551",
            "fax_number": "319-248-7945",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "540 E Jefferson St Ste 400",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522452479",
            "country_code": "US",
            "telephone_number": "319-337-5997",
            "fax_number": "319-358-2665",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 E 9th St",
            "address_purpose": "LOCATION",
            "city": "Coralville",
            "state": "IA",
            "postal_code": "522412209",
            "country_code": "US",
            "telephone_number": "319-467-2000",
            "fax_number": "319-467-2504",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARVAR",
        "first_name": "SERHAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-21",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "SP-0258",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "SC",
            "license": "AL51940",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IA",
            "license": "SP-0258",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Iowa City, IA

Sources for this page

Verify at the official NPI Registry.