Karissa Merkel, FNP-C
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 153
- Hospital affiliations
- 2
- Industry payments
- $137
- Medical groups
- 3
- Practice address
- 1051 W Us-6, Morris, IL 60450
- Practice phone
- Call (815) 318-5666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Deerpath Orthopedic Surgical Center, LLC
Morris, Illinois
Find Karissa Merkel'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.
Karissa Merkel is a family nurse practitioner in Morris, Illinois
Karissa Merkel practices at Deerpath Orthopedic Surgical Center, LLC in Morris, Illinois.
Karissa Merkel's NPI, 1538779533, was assigned on August 4, 2020. Karissa Merkel holds Illinois license 209021763.
- NPI
- 1538779533NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547674202
- NPI enumeration date
- August 4, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 318-5666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Karissa Merkel practices at Deerpath Orthopedic Surgical Center, LLC in Morris, Illinois
Karissa Merkel's primary practice is Deerpath Orthopedic Surgical Center, LLC, at 1051 W Us-6, Morris, IL 60450 in Grundy County. The practice phone is (815) 318-5666.
- Deerpath Orthopedic Surgical Center, LLC1051 W Us-6, Morris, IL 60450 · Grundy CountyPhone(815) 318-5666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karissa Merkel is affiliated with 5 sites of care and 3 medical groups
Karissa Merkel's primary practice is Deerpath Orthopedic Surgical Center, LLC in Morris, Illinois. Karissa Merkel is also affiliated with Morris Hospital & Healthcare Centers. The medical group on file is Morris Hospital & Healthcare Centers. Dmand AI also links Karissa Merkel to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karissa Merkel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karissa Merkel practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Deerpath Orthopedic Surgical Center, LLC | Available with a free account |
| +4 more sites and 2 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Karissa Merkel is one of 7,275 family nurse practitioners in Illinois
Family is Karissa Merkel's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Karissa Merkel is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Karissa Merkel
Counts of family nurse practitioners 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
Karissa Merkel treated 50 Medicare patients in 2024, average age 76
CMS counts 50 Medicare patients who saw Karissa Merkel in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Karissa Merkel's median patient age at 64, with 56% women.
Karissa Merkel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Karissa Merkel's Medicare patients by sex, 2024
- Women2448%
- Men2652%
Chronic conditions among Karissa Merkel's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease50%
- Diabetes46%
- Heart failure46%
- Ischemic heart disease46%
- Arthritis42%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Karissa Merkel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Karissa Merkel wrote 153 Medicare Part D claims in 2024
In 2024, Karissa Merkel wrote 153 Medicare Part D claims for 35 patients. 86% of them were for generic drugs.
Karissa Merkel's Part D claims by kind of drug, 2024
- Generic131 claims86%
- Brand-name22 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Karissa Merkel takes part in Medicare
Karissa Merkel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Karissa Merkel received $137 in industry payments in 2025
CMS Open Payments shows 1 general payment to Karissa Merkel from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Acera Surgical, Inc. paid the most, $137.
Companies that paid Karissa Merkel the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Karissa Merkel'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Karissa Merkel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karissa Merkel's NPI number?
Karissa Merkel's NPI number is 1538779533. It was assigned on August 4, 2020, and it is active in the NPI Registry.
What does Karissa Merkel specialize in?
Karissa Merkel is a family nurse practitioner in Morris, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Karissa Merkel practice?
Karissa Merkel practices at 1051 W Us-6, Morris, IL 60450. Karissa Merkel's primary practice is Deerpath Orthopedic Surgical Center, LLC in Morris, Illinois. Dmand AI also links Karissa Merkel to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Karissa Merkel's office phone number?
The practice phone on file for Karissa Merkel is (815) 318-5666.
What is Karissa Merkel's medical license number?
Karissa Merkel holds Illinois license 209021763.
Which hospitals is Karissa Merkel affiliated with?
Karissa Merkel is affiliated with Morris Hospital & Healthcare Centers. Dmand AI links Karissa Merkel to 1 more hospital.
What medical group is Karissa Merkel part of?
Karissa Merkel is linked to Morris Hospital & Healthcare Centers. Dmand AI links Karissa Merkel to 2 more medical groups.
Does Karissa Merkel accept Medicare?
Yes. CMS lists Karissa Merkel as accepting Medicare assignment.
How many Medicare patients does Karissa Merkel see?
CMS counts 50 Medicare patients who saw Karissa Merkel in 2024, with an average age of 76.
Has Karissa Merkel received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Karissa Merkel from 1 company from 2025 to 2025. The largest total came from Acera Surgical, Inc.
How long has Karissa Merkel been practicing?
Karissa Merkel graduated from medical school in 2020, 6 years ago.
Selling to family practices?
See family nurse practitioners in Illinois 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