Dr. Carissa J. Tyo, MD
- Medicare services, 2024
- 217
- Medicare patients, 2024
- 165
- Part D claims, 2024
- 49
- Hospital affiliations
- 1
- Industry payments
- $32
- Practice address
- 1740 West Taylor St Suite 1400, Chicago, IL 60612
- Practice phone
- Call (312) 996-3900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tyo'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. Carissa J. Tyo is an emergency medicine physician in Chicago, Illinois
Dr. Tyo practices at University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System.
Dr. Tyo's NPI, 1205843398, was assigned on August 1, 2006. Dr. Tyo graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2001. Dr. Tyo holds Wisconsin license 83453.
- NPI
- 1205843398NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153377064
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 996-3900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carissa J. Tyo practices at University of Illinois Hospital in Chicago, Illinois
Dr. Tyo's primary practice is University of Illinois Hospital, at 1740 West Taylor St Suite 1400, Chicago, IL 60612 in Cook County. The practice phone is (312) 996-3900.
- University of Illinois Hospital1740 West Taylor St Suite 1400, Chicago, IL 60612 · Cook CountyPhone(312) 996-3900
Source: Dmand AI Affiliation Data
Dr. Carissa J. Tyo is affiliated with 1 site of care and 2 medical groups
Dr. Tyo's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. The medical group on file is Aurora Medical Group. Dmand AI also links Dr. Tyo 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 Dr. Carissa J. Tyo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tyo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Illinois 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 University of Illinois System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Carissa J. Tyo is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Tyo's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Tyo's licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
- Illinois license
Emergency medicine physicians near Dr. Tyo
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. Carissa J. Tyo billed Medicare for 217 services in 2024
CMS data shows 217 Medicare services from Dr. Tyo across 3 procedure codes in 2024, for 165 Medicare patients. Medicare paid $14,350 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tyo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1272024: 11212%
- Office and hospital visits
- 2023: 942024: 10512%
Dr. Tyo compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Tyo
- Illinois median
- Medicare services
- 217vs 27421% below
- Medicare patients
- 165vs 27340% below
- Part D claims
- 13vs 4571% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Tyo'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.
Need commercial claims for Dr. Tyo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tyo 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. Carissa J. Tyo treated 165 Medicare patients in 2024, average age 65
CMS counts 165 Medicare patients who saw Dr. Tyo in 2024. The largest group is under 65, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 69% are also on Medicaid. Their average risk score is 3.28, 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. Tyo's median patient age at 52, with 56% women.
Dr. Tyo's Medicare patients by age, 2024
Dr. Tyo's Medicare patients by sex, 2024
- Women10161%
- Men6439%
Chronic conditions among Dr. Tyo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Arthritis56%
- Chronic kidney disease48%
- Ischemic heart disease44%
- Mood disorders41%
- Heart failure39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tyo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carissa J. Tyo wrote 49 Medicare Part D claims in 2024
In 2024, Dr. Tyo wrote 49 Medicare Part D claims for 37 patients. 92% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $201 in total drug cost.
Dr. Tyo's Part D claims by kind of drug, 2024
- Generic45 claims92%
- Brand-name and other4 claims8%
Dr. Tyo's most prescribed drugs by claims, 2017
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. Tyo's Part D claims, 2024
- Antibiotics29%14 of 49 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Dr. Carissa J. Tyo takes part in Medicare
Dr. Tyo 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.
Dr. Carissa J. Tyo received $32 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Tyo from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. BrainScope Company, Inc. paid the most, $32.
Companies that paid Dr. Tyo the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carissa J. Tyo graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Tyo graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carissa J. Tyo'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) |
| 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. Carissa J. Tyo
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. Carissa J. Tyo's NPI number?
Dr. Carissa J. Tyo's NPI number is 1205843398. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carissa J. Tyo?
Dr. Carissa J. Tyo is an emergency medicine physician in Chicago, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Carissa J. Tyo practice?
Dr. Tyo practices at 1740 West Taylor St Suite 1400, Chicago, IL 60612. Dr. Tyo's primary practice is University of Illinois Hospital in Chicago, Illinois, part of University of Illinois System. Dmand AI also links Dr. Tyo to 1 medical group.
What is Dr. Carissa J. Tyo's office phone number?
The practice phone on file for Dr. Tyo is (312) 996-3900.
What is Dr. Carissa J. Tyo's medical license number?
Dr. Tyo holds Wisconsin license 83453, one of the licenses on file in 2 states.
Which states has Dr. Carissa J. Tyo been licensed in?
Dmand AI has state licenses on file for Dr. Tyo in Wisconsin and Illinois.
Which hospitals is Dr. Carissa J. Tyo affiliated with?
Dr. Tyo practices at University of Illinois Hospital in Chicago, Illinois.
What medical group is Dr. Carissa J. Tyo part of?
Dr. Tyo is linked to Aurora Medical Group. Dmand AI links Dr. Tyo to 1 more medical group.
Does Dr. Carissa J. Tyo accept Medicare?
Yes. CMS data shows Dr. Tyo billed Medicare for 217 services in 2024, and Dr. Tyo accepts Medicare assignment.
How many Medicare patients does Dr. Carissa J. Tyo see?
CMS counts 165 Medicare patients who saw Dr. Tyo in 2024, with an average age of 65.
Show 5 more questionsShow fewer questions
What services does Dr. Carissa J. Tyo bill to Medicare?
In 2024, Dr. Tyo's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Carissa J. Tyo go to medical school?
Dr. Tyo graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2001.
What drugs does Dr. Carissa J. Tyo prescribe most?
In 2017 Medicare Part D data, Dr. Tyo's most prescribed drugs by claims were Potassium Chloride.
Has Dr. Carissa J. Tyo received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Tyo from 1 company from 2022 to 2022. The largest total came from BrainScope Company, Inc.
How long has Dr. Carissa J. Tyo been practicing?
Dr. Tyo graduated from medical school in 2001, 25 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians 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