Dr. Mark W. Karwal, MD
- Medicare services, 2024
- 865
- Medicare patients, 2024
- 422
- Part D claims, 2024
- 925
- MIPS score, 2024
- 80
- Hospital affiliations
- 2
- Practice address
- 200 Hawkins Drive, Iowa City, IA 52242
- Practice phone
- Call (319) 356-1616
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Karwal's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark W. Karwal is a hematologist and oncologist in Iowa City, Iowa
Dr. Karwal practices at University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa.
Dr. Karwal's NPI, 1891770616, was assigned on December 14, 2005. Dr. Karwal graduated from University of Iowa, RJ & L Carver College of Medicine in 1984. Dr. Karwal holds Iowa license 24911.
- NPI
- 1891770616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375693641
- NPI enumeration date
- December 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (319) 356-1616
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark W. Karwal practices at University of Iowa Health Care Medical Center in Iowa City, Iowa
Dr. Karwal's primary practice is University of Iowa Health Care Medical Center, at 200 Hawkins Drive, Iowa City, IA 52242 in Johnson County. The practice phone is (319) 356-1616.
- University of Iowa Health Care Medical Center200 Hawkins Drive, Iowa City, IA 52242 · Johnson CountyPhone(319) 356-1616
Source: Dmand AI Affiliation Data
Dr. Mark W. Karwal is affiliated with 2 sites of care and 2 medical groups
Dr. Karwal's primary practice is University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa. Dr. Karwal is also affiliated with University of Iowa Health Care Medical Center Downtown. The medical group on file is Scanlan Center for School Mental Health Clinic. Dmand AI also links Dr. Karwal to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark W. Karwal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karwal practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Iowa Health Care Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Iowa and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark W. Karwal is one of 77 hematologists and oncologists in Iowa
Hematology and oncology is Dr. Karwal's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Karwal is licensed in Iowa.
Specialties and state licenses
- Hematology and oncology, IowaPrimary
Hematologists and oncologists near Dr. Karwal
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark W. Karwal billed Medicare for 865 services in 2024
CMS data shows 865 Medicare services from Dr. Karwal across 6 procedure codes in 2024, for 422 Medicare patients. Medicare paid $55,127 for them.
Dr. Karwal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6742024: 81621%
- Other services
- 2023: 02024: 49
Where Dr. Karwal's Medicare services took place, 2024
- In an office15418%
- In a facility71182%
Dr. Karwal compared with the Iowa median for hematologists and oncologists, 2024
- Dr. Karwal
- Iowa median
- Medicare services
- 865vs 75914% above
- Medicare patients
- 422vs 26261% above
- Part D claims
- 739vs 2542.9 times
Medians across 78 hematologists and oncologists in Iowa with Dmand AI profiles that report each measure.
Dr. Karwal's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Karwal?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karwal and other hematologists and oncologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark W. Karwal treated 422 Medicare patients in 2024, average age 75
CMS counts 422 Medicare patients who saw Dr. Karwal in 2024. The largest group is 65 to 74, with 184 patients. 74% of them have high blood pressure, and 67% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Karwal's median patient age at 72, with 74% women.
Dr. Karwal's Medicare patients by age, 2024
Dr. Karwal's Medicare patients by sex, 2024
- Women29871%
- Men12429%
Chronic conditions among Dr. Karwal's Medicare patients, 2024
- High blood pressure74%
- High cholesterol67%
- Cancer66%
- Arthritis41%
- Diabetes27%
- Chronic kidney disease24%
- Ischemic heart disease22%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karwal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark W. Karwal wrote 925 Medicare Part D claims in 2024
In 2024, Dr. Karwal wrote 925 Medicare Part D claims for 220 patients. 79% of them were for generic drugs. CMS names the drug for 739 of them, across 18 drugs with 11 or more claims each, at $1,955,881 in total drug cost. In 2023, CMS named 562 claims across 13 drugs.
Dr. Karwal's Part D claims by kind of drug, 2024
- Generic728 claims79%
- Brand-name197 claims21%
Dr. Karwal's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Karwal's Part D claims, 2024
- Opioids2%21 of 925 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5622024: 73931%
Drugs named by CMS: 18 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark W. Karwal scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Karwal for performance year 2024, reported as part of a group. Dr. Karwal accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Karwal's MIPS scores, performance year 2024
- 80of 100Final score
- 75.7of 100Quality
- 78of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark W. Karwal received $94,228 in industry payments from 2016 to 2024
CMS Open Payments shows 161 general payments to Dr. Karwal from 8 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 69% of the total. Eisai Inc. paid the most, $67,482.
General payments to Dr. Karwal by program year, 2016 to 2024
General payments to Dr. Karwal by kind, 2016 to 2024
- Consulting fees$64,91469%
- Travel and lodging$19,51021%
- Speaker and faculty fees$6,6007%
- Food and beverage$3,1913%
- Education$120%
Companies that paid Dr. Karwal the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark W. Karwal graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Karwal graduated from University of Iowa, RJ & L Carver College of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark W. Karwal's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark W. Karwal
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark W. Karwal's NPI number?
Dr. Mark W. Karwal's NPI number is 1891770616. It was assigned on December 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark W. Karwal?
Dr. Mark W. Karwal is a hematologist and oncologist in Iowa City, Iowa. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Mark W. Karwal practice?
Dr. Karwal practices at 200 Hawkins Drive, Iowa City, IA 52242. Dr. Karwal's primary practice is University of Iowa Health Care Medical Center in Iowa City, Iowa, part of The University of Iowa. Dmand AI also links Dr. Karwal to 1 medical group.
What is Dr. Mark W. Karwal's office phone number?
The practice phone on file for Dr. Karwal is (319) 356-1616.
What is Dr. Mark W. Karwal's medical license number?
Dr. Karwal holds Iowa license 24911.
Which hospitals is Dr. Mark W. Karwal affiliated with?
Dr. Karwal practices at University of Iowa Health Care Medical Center in Iowa City, Iowa. Dr. Karwal is also affiliated with University of Iowa Health Care Medical Center Downtown.
What medical group is Dr. Mark W. Karwal part of?
Dr. Karwal is linked to Scanlan Center for School Mental Health Clinic. Dmand AI links Dr. Karwal to 1 more medical group.
Does Dr. Mark W. Karwal accept Medicare?
Yes. CMS data shows Dr. Karwal billed Medicare for 865 services in 2024, and Dr. Karwal accepts Medicare assignment.
What is Dr. Mark W. Karwal's MIPS score?
Dr. Karwal's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark W. Karwal see?
CMS counts 422 Medicare patients who saw Dr. Karwal in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Mark W. Karwal bill to Medicare?
In 2024, Dr. Karwal's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).
Where did Dr. Mark W. Karwal go to medical school?
Dr. Karwal graduated from University of Iowa, RJ & L Carver College of Medicine in 1984.
What drugs does Dr. Mark W. Karwal prescribe most?
In 2024 Medicare Part D data, Dr. Karwal's most prescribed drugs by claims were Letrozole, Tamoxifen Citrate and Exemestane.
Has Dr. Mark W. Karwal received payments from drug or device companies?
CMS Open Payments shows $94,228 in general payments to Dr. Karwal from 8 companies from 2016 to 2024. The largest total came from Eisai Inc.
How long has Dr. Mark W. Karwal been practicing?
Dr. Karwal graduated from medical school in 1984, 42 years ago.
Selling to hematology and oncology practices?
See hematologists and oncologists in Iowa by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card