What is Mark Karwal's specialty?

Mark Karwal (NPI 1891770616) is a Medicare-billing provider whose primary specialty is Hematology in Iowa City, IA.

Where does Mark Karwal practice?

Mark Karwal practices in Iowa City, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1891770616.

How much does Medicare pay Mark Karwal?

Mark Karwal (NPI 1891770616) received approximately $58K in total Medicare Part B payments, serving 422 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891770616

Mark KarwalMD

PRACTICEUIHC UROLOGY CLINICSee all providers at this practice →

HematologyIowa City, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

500

Unique beneficiaries

—

Total services

865

Distinct HCPCS

Medicare payment

$55K

Peer benchmark

Total Medicare services vs. 11 Hematology providers in IA — top quintile (cohort median 513).

PRESCRIBING · PART D · 2024

Total Rx claims

739

Beneficiaries

—

Total drug cost

$2.0M

Distinct drugs

Brand share

17.2%

Top prescribed drugs

Letrozole316 claims

Tamoxifen Citrate63 claims

Exemestane56 claims

Hydroxyurea54 claims

Ondansetron Hcl28 claims

QUALITY · MIPS · 2024

Final MIPS score

80.0

Quality

75.7

Cost

72.3

Improvement activities

40.0

Promoting interop.

78.0

Payment adjustment

0.21%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$525

Payment records

By payment type

Consulting Fee$525

Top paying entities

Consulting Fee$525

REFERRAL NETWORK

Where Mark Karwal's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
STATE UNIVERSITY OF IOWA	246	2,162
YANG, LIMIN	32	89
Donald Brown Internal Medicine · Iowa City, IA	30	92
NPI 1013906890	25	69
SOUTHEAST IOWA REGIONAL MEDICAL CENTER, INC.	20	87
Maheen Rajput Diagnostic Radiology · Iowa City, IA	19	36
Laurie Fajardo Diagnostic Radiology · Saint Louis, MO	18	48
NPI 1477538767	16	40
METROPOLITAN MEDICAL LABORATORY, PLC	11	37
Brian Mullan Diagnostic Radiology · Iowa City, IA	11	26
SUGG, SONIA	11	69
Fabiana Policeni Diagnostic Radiology · Iowa City, IA	11	32

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events