Dr. Irisha Gerrhea Clark, MD
- Medicare services, 2024
- 179
- Medicare patients, 2024
- 128
- Part D claims, 2024
- 139
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 1401 East State Street, Rockford, IL 61104
- Practice phone
- Call (815) 968-4400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Clark'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. Irisha Gerrhea Clark is an emergency medicine physician in Rockford, Illinois
Dr. Clark practices at UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority.
Dr. Clark's NPI, 1285217760, was assigned on May 3, 2021. Dr. Clark graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2021. Dr. Clark holds Illinois license 036168184.
- NPI
- 1285217760NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244632800
- NPI enumeration date
- May 3, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 968-4400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Irisha Gerrhea Clark practices at UW Health SwedishAmerican Hospital in Rockford, Illinois
Dr. Clark's primary practice is UW Health SwedishAmerican Hospital, at 1401 East State Street, Rockford, IL 61104 in Winnebago County. The practice phone is (815) 968-4400.
- UW Health SwedishAmerican Hospital1401 East State Street, Rockford, IL 61104 · Winnebago CountyPhone(815) 968-4400
Source: Dmand AI Affiliation Data
Dr. Irisha Gerrhea Clark is affiliated with 2 sites of care and 5 medical groups
Dr. Clark's primary practice is UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority. Dr. Clark is also affiliated with OSF Saint Katharine Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Clark to 4 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Irisha Gerrhea Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UW Health SwedishAmerican Hospital | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Irisha Gerrhea Clark is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Clark is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Clark
Counts of emergency medicine physicians 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. Irisha Gerrhea Clark billed Medicare for 179 services in 2024
CMS data shows 179 Medicare services from Dr. Clark across 3 procedure codes in 2024, for 128 Medicare patients. Medicare paid $15,304 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clark's Medicare services by type, 2024
- Office and hospital visits122
- Tests and treatments57
Dr. Clark compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Clark
- Illinois median
- Medicare services
- 179vs 27435% below
- Medicare patients
- 128vs 27353% below
- Part D claims
- 36vs 4520% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Clark'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clark and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Irisha Gerrhea Clark treated 128 Medicare patients in 2024, average age 72
CMS counts 128 Medicare patients who saw Dr. Clark in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.28, 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. Clark's median patient age at 47, with 59% women.
Dr. Clark's Medicare patients by age, 2024
Dr. Clark's Medicare patients by sex, 2024
- Women7559%
- Men5341%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis54%
- Anxiety48%
- Diabetes47%
- Chronic kidney disease46%
- Mood disorders45%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Irisha Gerrhea Clark wrote 139 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 139 Medicare Part D claims for 101 patients. 94% of them were for generic drugs. CMS names the drug for 36 of them, across 2 drugs with 11 or more claims each, at $219 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic131 claims94%
- Brand-name and other8 claims6%
Dr. Clark'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. Clark's Part D claims, 2024
- Opioids8%11 of 139 claims
- Antibiotics42%59 of 139 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: 272024: 3633%
Drugs named by CMS: 2 in 2024, 2 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. Irisha Gerrhea Clark scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Clark for performance year 2024, reported as part of a group. Dr. Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Clark's MIPS scores, performance year 2024
- 87of 100Final score
- 74.5of 100Quality
- 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
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Dr. Irisha Gerrhea Clark received $245 in industry payments from 2021 to 2023
CMS Open Payments shows 2 general payments to Dr. Clark from 2 drug and device companies from 2021 to 2023. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $131.
General payments to Dr. Clark by program year, 2021 to 2023
Companies that paid Dr. Clark the most, 2021 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Irisha Gerrhea Clark graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Clark graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Irisha Gerrhea Clark'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. Irisha Gerrhea Clark
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. Irisha Gerrhea Clark's NPI number?
Dr. Irisha Gerrhea Clark's NPI number is 1285217760. It was assigned on May 3, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Irisha Gerrhea Clark?
Dr. Irisha Gerrhea Clark is an emergency medicine physician in Rockford, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Irisha Gerrhea Clark practice?
Dr. Clark practices at 1401 East State Street, Rockford, IL 61104. Dr. Clark's primary practice is UW Health SwedishAmerican Hospital in Rockford, Illinois, part of University of Wisconsin Hospitals and Clinics Authority. Dmand AI also links Dr. Clark to 4 medical groups.
What is Dr. Irisha Gerrhea Clark's office phone number?
The practice phone on file for Dr. Clark is (815) 968-4400.
What is Dr. Irisha Gerrhea Clark's medical license number?
Dr. Clark holds Illinois license 036168184.
Which hospitals is Dr. Irisha Gerrhea Clark affiliated with?
Dr. Clark practices at UW Health SwedishAmerican Hospital in Rockford, Illinois. Dr. Clark is also affiliated with OSF Saint Katharine Medical Center.
What medical group is Dr. Irisha Gerrhea Clark part of?
Dr. Clark is linked to OSF Multi-Specialty Group. Dmand AI links Dr. Clark to 4 more medical groups.
Does Dr. Irisha Gerrhea Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 179 services in 2024, and Dr. Clark accepts Medicare assignment.
What is Dr. Irisha Gerrhea Clark's MIPS score?
Dr. Clark's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Irisha Gerrhea Clark see?
CMS counts 128 Medicare patients who saw Dr. Clark in 2024, with an average age of 72.
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What services does Dr. Irisha Gerrhea Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Irisha Gerrhea Clark go to medical school?
Dr. Clark graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2021.
What drugs does Dr. Irisha Gerrhea Clark prescribe most?
In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Cephalexin and Methocarbamol.
Has Dr. Irisha Gerrhea Clark received payments from drug or device companies?
CMS Open Payments shows $245 in general payments to Dr. Clark from 2 companies from 2021 to 2023. The largest total came from Medtronic, Inc.
How long has Dr. Irisha Gerrhea Clark been practicing?
Dr. Clark graduated from medical school in 2021, 5 years ago.
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