Stephanie Zachemski
- Hospital affiliations
- 1
- Industry payments
- $63
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 875 S Route 31, Crystal Lake, IL 60014
- Practice phone
- Call (792) 220-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Stephanie Zachemski'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.
Stephanie Zachemski is a physician assistant in Crystal Lake, Illinois
Stephanie Zachemski practices at Mercyhealth Hospital and Physician Clinic-Crystal Lake in Crystal Lake, Illinois, part of Mercyhealth.
Stephanie Zachemski's NPI, 1912704321, was assigned on February 25, 2025. Stephanie Zachemski holds Illinois license 011149.
- NPI
- 1912704321NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890210231
- NPI enumeration date
- February 25, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (792) 220-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie Zachemski practices at Mercyhealth Hospital and Physician Clinic-Crystal Lake in Crystal Lake, Illinois
Stephanie Zachemski's primary practice is Mercyhealth Hospital and Physician Clinic-Crystal Lake, at 875 S Route 31, Crystal Lake, IL 60014 in Mc Henry County. The practice phone is (792) 220-5500.
- Mercyhealth Hospital and Physician Clinic-Crystal Lake875 S Route 31, Crystal Lake, IL 60014 · Mc Henry CountyPhone(792) 220-5500
Source: Dmand AI Affiliation Data
Stephanie Zachemski is affiliated with 2 sites of care and 1 medical group
Stephanie Zachemski's primary practice is Mercyhealth Hospital and Physician Clinic-Crystal Lake in Crystal Lake, Illinois, part of Mercyhealth. The medical group on file is Illinois Bone & Joint Institute. Dmand AI also links Stephanie Zachemski to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Stephanie Zachemski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Zachemski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyhealth Hospital and Physician Clinic-Crystal Lake | Available with a free account |
| +1 more affiliated site | 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 Mercyhealth and 6.2K+ hospitals, with verified contacts in the same login.
Stephanie Zachemski is one of 4,299 physician assistants in Illinois
Physician assistant is Stephanie Zachemski's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Stephanie Zachemski is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Stephanie Zachemski
Counts of physician assistants 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
Stephanie Zachemski's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Stephanie Zachemski's median patient age at 61, with 49% women.
Stephanie Zachemski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men49%
Source: Dmand AI Patient Panel Data
How Stephanie Zachemski takes part in Medicare
Stephanie Zachemski 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)
Stephanie Zachemski received $63 in industry payments in 2025
CMS Open Payments shows 3 general payments to Stephanie Zachemski from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $37.
Companies that paid Stephanie Zachemski 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 Stephanie Zachemski'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 |
| 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 Stephanie Zachemski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephanie Zachemski's NPI number?
Stephanie Zachemski's NPI number is 1912704321. It was assigned on February 25, 2025, and it is active in the NPI Registry.
What does Stephanie Zachemski specialize in?
Stephanie Zachemski is a physician assistant in Crystal Lake, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Stephanie Zachemski practice?
Stephanie Zachemski practices at 875 S Route 31, Crystal Lake, IL 60014. Stephanie Zachemski's primary practice is Mercyhealth Hospital and Physician Clinic-Crystal Lake in Crystal Lake, Illinois, part of Mercyhealth. Dmand AI also links Stephanie Zachemski to 1 group practice or clinic.
What is Stephanie Zachemski's office phone number?
The practice phone on file for Stephanie Zachemski is (792) 220-5500.
What is Stephanie Zachemski's medical license number?
Stephanie Zachemski holds Illinois license 011149.
Which hospitals is Stephanie Zachemski affiliated with?
Stephanie Zachemski practices at Mercyhealth Hospital and Physician Clinic-Crystal Lake in Crystal Lake, Illinois.
What medical group is Stephanie Zachemski part of?
Stephanie Zachemski is linked to Illinois Bone & Joint Institute.
Does Stephanie Zachemski accept Medicare?
Yes. CMS lists Stephanie Zachemski as accepting Medicare assignment.
Has Stephanie Zachemski received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to Stephanie Zachemski from 2 companies from 2025 to 2025. The largest total came from Ferring Pharmaceuticals Inc.
How long has Stephanie Zachemski been practicing?
Stephanie Zachemski graduated from medical school in 2025, 1 years ago.
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