NPIMap

Individual provider Active NPI

Mark W Karwal, MD

  • Hematology & Oncology Physician
  • Iowa City, IA
National Provider Identifier
1891770616
Registry record updated May 4, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
24911 Issued in IA
Practice address
200 Hawkins Dr
Iowa City, IA 52242-1009
Phone
(319) 353-7900
Fax
(319) 353-8377
NPI assigned
Dec 14, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 4, 2009

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 24911 IA
Hematology & Oncology Physician 207RH0003X 24911 IA Primary
Medical Oncology Physician 207RX0202X 24911 IA

Addresses

Primary practice location

200 Hawkins Dr
Iowa City, IA 52242-1009

Mailing address

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 353-7900

Other identifiers 2

IdentifierTypeStateIssuer
0087403MedicaidIA
07916OtherIAWELLMARK BCBS

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
I20090608000307 IA Practitioner - HematologyPractitioner - Internal MedicinePractitioner - Hematology/Oncology 3375693641 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
HematologyAlso: Hematology/Oncology, Internal Medicine
Education
University of Iowa, RJ & L Carver College of Medicine, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
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
  • University of Iowa Health Care Medical Center Down Hospital, Iowa City, IA, CCN 160029

Merit-based Incentive Payment System (MIPS)

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
24911IAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Jefferson County Hospital CurrentSince Jul 25, 2025 Accepting new patients
State University of Iowa Internal Medicine CurrentSince Sep 1, 1998 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
State University of Iowa Past Accepting new patients

Locations

2000 S Main St
Fairfield, IA 52556
Phone (641) 469-4204

540 E Jefferson St
Ste 105
Iowa City, IA 52245
Phone (319) 338-5451

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

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

407 S White St
Mt Pleasant, IA 52641
Phone (319) 385-6110

1221 S Gear Ave
West Burlington, IA 52655
Phone (319) 768-3622

Interoperability endpoints

  • Direct secure messaging: mkarwal3458@uihcdirect.org

Organizations & group practices 25

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 25

Hospital & facility affiliations 2

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": "1134518400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1241395200000",
    "number": "1891770616",
    "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": "319-353-7900",
            "fax_number": "319-353-8377"
        },
        {
            "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": "319-353-7900",
            "fax_number": "319-353-8377"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARWAL",
        "first_name": "MARK",
        "middle_name": "W",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-14",
        "last_updated": "2009-05-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IA",
            "license": "24911",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IA",
            "license": "24911",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "IA",
            "license": "24911",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0087403",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLMARK BCBS",
            "identifier": "07916",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Iowa City, IA

Sources for this page

Verify at the official NPI Registry.