Mark E. Ruff, CRNA
- Hospital affiliations
- 1
- Industry payments
- $21
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 800 E Carpenter St, Springfield, IL 62769
- Practice phone
- Call (217) 544-6464
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Ruff'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.
Mark E. Ruff is a nurse anesthetist in Springfield, Illinois
Mark Ruff practices at HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis.
Mark Ruff's NPI, 1871555284, was assigned on April 3, 2006. Mark Ruff holds Illinois license 209000515.
- NPI
- 1871555284NPI Registry (opens in a new tab)
- NPI enumeration date
- April 3, 2006
- NPI status
- Active
- Practice phone
- (217) 544-6464
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mark E. Ruff practices at HSHS St. John's Hospital in Springfield, Illinois
Mark Ruff's primary practice is HSHS St. John's Hospital, at 800 E Carpenter St, Springfield, IL 62769 in Sangamon County. The practice phone is (217) 544-6464.
- HSHS St. John's Hospital800 E Carpenter St, Springfield, IL 62769 · Sangamon CountyPhone(217) 544-6464
Source: Dmand AI Affiliation Data
Mark E. Ruff is affiliated with 1 site of care and 2 medical groups
Mark Ruff's primary practice is HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis. The medical group on file is North American Partners in Anesthesia (NAPA). Dmand AI also links Mark Ruff 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 Mark E. Ruff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Ruff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HSHS St. John's Hospital | 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 Hospital Sisters of St. Francis and 6.2K+ hospitals, with verified contacts in the same login.
Mark E. Ruff is one of 2,003 nurse anesthetists in Illinois
Nurse anesthetist, certified registered is Mark Ruff's primary specialty in the NPI Registry, under taxonomy code 367500000X. Mark Ruff is licensed in Illinois.
Specialties and state licenses
- Certified registered nurse anesthetist, IllinoisPrimary
Nurse anesthetists near Mark Ruff
Counts of nurse anesthetists 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
Mark E. Ruff's patients have a median age of 27
Across all payers, Dmand AI patient panel data puts Mark Ruff's median patient age at 27, with 100% women.
Mark Ruff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Mark E. Ruff received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mark Ruff from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $21.
Companies that paid Mark Ruff 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 Mark E. Ruff'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 Mark E. Ruff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark E. Ruff's NPI number?
Mark E. Ruff's NPI number is 1871555284. It was assigned on April 3, 2006, and it is active in the NPI Registry.
What does Mark E. Ruff specialize in?
Mark E. Ruff is a nurse anesthetist in Springfield, Illinois. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Mark E. Ruff practice?
Mark Ruff practices at 800 E Carpenter St, Springfield, IL 62769. Mark Ruff's primary practice is HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis. Dmand AI also links Mark Ruff to 1 medical group.
What is Mark E. Ruff's office phone number?
The practice phone on file for Mark Ruff is (217) 544-6464.
What is Mark E. Ruff's medical license number?
Mark Ruff holds Illinois license 209000515.
Which hospitals is Mark E. Ruff affiliated with?
Mark Ruff practices at HSHS St. John's Hospital in Springfield, Illinois.
What medical group is Mark E. Ruff part of?
Mark Ruff is linked to North American Partners in Anesthesia (NAPA). Dmand AI links Mark Ruff to 1 more medical group.
Has Mark E. Ruff received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Mark Ruff from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Mark E. Ruff been practicing?
Mark Ruff graduated from medical school in 1985, 41 years ago.
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