Crystal S. Clark
- Hospital affiliations
- 1
- Industry payments
- $37
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 1000 Medical Center Drive, Monticello, IL 61856
- Practice phone
- Call (217) 762-2115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Crystal 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.
Crystal S. Clark is a nurse practitioner in Monticello, Illinois
Crystal Clark practices at Kirby Medical Center in Monticello, Illinois, part of Kirby Medical Center.
Crystal Clark's NPI, 1427557321, was assigned on February 6, 2018. Crystal Clark holds Illinois license 209017069.
- NPI
- 1427557321NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2018
- NPI status
- Active
- Practice phone
- (217) 762-2115
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Crystal S. Clark practices at Kirby Medical Center in Monticello, Illinois
Crystal Clark's primary practice is Kirby Medical Center, at 1000 Medical Center Drive, Monticello, IL 61856 in Piatt County. The practice phone is (217) 762-2115.
- Kirby Medical Center1000 Medical Center Drive, Monticello, IL 61856 · Piatt CountyPhone(217) 762-2115
Source: Dmand AI Affiliation Data
Crystal S. Clark is affiliated with 1 site of care and 2 medical groups
Crystal Clark's primary practice is Kirby Medical Center in Monticello, Illinois, part of Kirby Medical Center. The medical group on file is Promise Healthcare. Dmand AI also links Crystal Clark 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 Crystal S. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Crystal Clark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kirby Medical Center | Available with a free account |
| +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 Kirby Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Crystal S. Clark is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Crystal Clark's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Crystal Clark is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Crystal Clark
Counts of 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
Crystal S. Clark's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Crystal Clark's median patient age at 38, with 91% women.
Crystal 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 38
Patient panel by sex, all payers
- Women91%
- Men9%
Source: Dmand AI Patient Panel Data
Crystal S. Clark received $37 in industry payments in 2025
CMS Open Payments shows 2 general payments to Crystal Clark from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Collegium Pharmaceutical, Inc. paid the most, $37.
Companies that paid Crystal Clark 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 Crystal S. 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Crystal S. 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 Crystal S. Clark's NPI number?
Crystal S. Clark's NPI number is 1427557321. It was assigned on February 6, 2018, and it is active in the NPI Registry.
What does Crystal S. Clark specialize in?
Crystal S. Clark is a nurse practitioner in Monticello, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Crystal S. Clark practice?
Crystal Clark practices at 1000 Medical Center Drive, Monticello, IL 61856. Crystal Clark's primary practice is Kirby Medical Center in Monticello, Illinois, part of Kirby Medical Center. Dmand AI also links Crystal Clark to 1 medical group.
What is Crystal S. Clark's office phone number?
The practice phone on file for Crystal Clark is (217) 762-2115.
What is Crystal S. Clark's medical license number?
Crystal Clark holds Illinois license 209017069.
Which hospitals is Crystal S. Clark affiliated with?
Crystal Clark practices at Kirby Medical Center in Monticello, Illinois.
What medical group is Crystal S. Clark part of?
Crystal Clark is linked to Promise Healthcare. Dmand AI links Crystal Clark to 1 more medical group.
Has Crystal S. Clark received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Crystal Clark from 1 company from 2025 to 2025. The largest total came from Collegium Pharmaceutical, Inc.
How long has Crystal S. Clark been practicing?
Crystal Clark graduated from medical school in 2017, 9 years ago.
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