Dr. Christelle E. Kassis, MD
- Medicare services, 2024
- 79
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 59
- Publications
- 10
- MIPS score, 2024
- 96
- Practice address
- 2601 East Roosevelt Street, Phoenix, AZ 85008
- Practice phone
- Call (602) 344-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kassis' professional email, personal email and mobile number
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Dr. Christelle E. Kassis is an infectious disease specialist in Phoenix, Arizona
Dr. Kassis practices at Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health.
Dr. Kassis' NPI, 1609015502, was assigned on February 17, 2009. Dr. Kassis holds Arizona license 47018.
- NPI
- 1609015502NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133368350
- NPI enumeration date
- February 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 344-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christelle E. Kassis practices at Valleywise Health Medical Center in Phoenix, Arizona
Dr. Kassis' primary practice is Valleywise Health Medical Center, at 2601 East Roosevelt Street, Phoenix, AZ 85008 in Maricopa County. The practice phone is (602) 344-5011.
- Valleywise Health Medical Center2601 East Roosevelt Street, Phoenix, AZ 85008 · Maricopa CountyPhone(602) 344-5011
Source: Dmand AI Affiliation Data
Dr. Christelle E. Kassis is affiliated with 4 sites of care and 2 medical groups
Dr. Kassis' primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. The medical group on file is District Medical Group. Dmand AI also links Dr. Kassis to 2 more group practices and clinics, 1 dialysis center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christelle E. Kassis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kassis practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valleywise Health Medical Center | Available with a free account |
| +3 more sites and 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 Valleywise Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christelle E. Kassis is one of 154 infectious disease specialists in Arizona
Infectious disease is Dr. Kassis' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Kassis' licenses on file in 2 states: Arizona and Indiana.
Specialties and state licenses
- Infectious disease, ArizonaPrimary
- Internal medicine, Indiana
Infectious disease specialists near Dr. Kassis
Counts of infectious disease specialists 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. Christelle E. Kassis billed Medicare for 79 services in 2024
CMS data shows 79 Medicare services from Dr. Kassis across 2 procedure codes in 2024, for 40 Medicare patients. Medicare paid $5,909 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kassis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 582024: 7936%
Dr. Kassis compared with the Arizona median for infectious disease specialists, 2024
- Dr. Kassis
- Arizona median
- Medicare services
- 79vs 53485% below
- Medicare patients
- 40vs 19880% below
- Part D claims
- 34vs 19382% below
Medians across 141 infectious disease specialists in Arizona with Dmand AI profiles that report each measure.
Dr. Kassis' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kassis and other infectious disease specialists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christelle E. Kassis treated 40 Medicare patients in 2024, average age 67
CMS counts 40 Medicare patients who saw Dr. Kassis in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 3.18, 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. Kassis' median patient age at 49, with 39% women.
Dr. Kassis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Kassis' Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- Chronic kidney disease55%
- High cholesterol55%
- Alcohol and drug use disorders53%
- COPD48%
- Mood disorders45%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kassis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women39%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christelle E. Kassis wrote 59 Medicare Part D claims in 2024
In 2024, Dr. Kassis wrote 59 Medicare Part D claims for 16 patients. 98% of them were for generic drugs. CMS names the drug for 34 of them, across 2 drugs with 11 or more claims each, at $5,503 in total drug cost. In 2023, CMS named 56 claims across 3 drugs.
Dr. Kassis' Part D claims by kind of drug, 2024
- Generic58 claims98%
- Brand-name and other1 claims2%
Dr. Kassis' most prescribed drugs by claims, 2024
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. Kassis' Part D claims, 2024
- Antibiotics53%31 of 59 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 562024: 3439%
Drugs named by CMS: 2 in 2024, 3 in 2023.
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
Dr. Christelle E. Kassis scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Kassis for performance year 2024, reported as part of a group. Dr. Kassis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kassis' MIPS scores, performance year 2024
- 96of 100Final score
- 81.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Christelle E. Kassis has 10 publications on record
Dmand AI links 10 papers to Dr. Kassis, published from 2011 to 2023. 2015 was the busiest year, with 2. The most frequent topics are Antigens, Fungal, Coccidioides and Coccidioidomycosis. Dr. Kassis has published most often in Clin Infect Dis. Dr. Kassis' most frequent co-authors are Richard Carlson, MD, PhD, Carlos Alberto Hartmann, MD and Chetan Jinadatha, MD, MPH.
Dr. Kassis' papers by year, 2011 to 2023
Topics Dr. Kassis writes about most
- Antigens, Fungal
- Coccidioides
- Coccidioidomycosis
- Antibodies, Fungal
- Antifungal Agents
- Mycoses
Dr. Kassis' most frequent co-authors
- Richard Carlson, MD, PhD1 shared paper
- Carlos Alberto Hartmann, MD1 shared paper
- Chetan Jinadatha, MD, MPH1 shared paper
Recent publications by Dr. Kassis
Crit Care Clin
Clin Infect Dis
J Antimicrob Chemother
See who Dr. Kassis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kassis works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christelle E. Kassis received $453 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Kassis from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Abbvie Inc. paid the most, $166.
General payments to Dr. Kassis by program year, 2016 to 2025
General payments to Dr. Kassis by kind, 2016 to 2025
- Food and beverage$26358%
- Education$18942%
Companies that paid Dr. Kassis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christelle E. Kassis'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Christelle E. Kassis
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. Christelle E. Kassis' NPI number?
Dr. Christelle E. Kassis' NPI number is 1609015502. It was assigned on February 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Christelle E. Kassis?
Dr. Christelle E. Kassis is an infectious disease specialist in Phoenix, Arizona. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Christelle E. Kassis practice?
Dr. Kassis practices at 2601 East Roosevelt Street, Phoenix, AZ 85008. Dr. Kassis' primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. Dmand AI also links Dr. Kassis to 2 group practices and clinics, 1 dialysis center and 1 medical group.
What is Dr. Christelle E. Kassis' office phone number?
The practice phone on file for Dr. Kassis is (602) 344-5011.
What is Dr. Christelle E. Kassis' medical license number?
Dr. Kassis holds Arizona license 47018, one of the licenses on file in 2 states.
Which states has Dr. Christelle E. Kassis been licensed in?
Dmand AI has state licenses on file for Dr. Kassis in Arizona and Indiana.
Which hospitals is Dr. Christelle E. Kassis affiliated with?
Dr. Kassis practices at Valleywise Health Medical Center in Phoenix, Arizona.
What medical group is Dr. Christelle E. Kassis part of?
Dr. Kassis is linked to District Medical Group. Dmand AI links Dr. Kassis to 1 more medical group.
Does Dr. Christelle E. Kassis accept Medicare?
Yes. CMS data shows Dr. Kassis billed Medicare for 79 services in 2024, and Dr. Kassis accepts Medicare assignment.
What is Dr. Christelle E. Kassis' MIPS score?
Dr. Kassis' MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Christelle E. Kassis see?
CMS counts 40 Medicare patients who saw Dr. Kassis in 2024, with an average age of 67.
What services does Dr. Christelle E. Kassis bill to Medicare?
In 2024, Dr. Kassis' most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
What drugs does Dr. Christelle E. Kassis prescribe most?
In 2024 Medicare Part D data, Dr. Kassis' most prescribed drugs by claims were Fluconazole and Amoxicillin-Clavulanate Potass.
Has Dr. Christelle E. Kassis received payments from drug or device companies?
CMS Open Payments shows $453 in general payments to Dr. Kassis from 6 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Christelle E. Kassis been practicing?
Dr. Kassis graduated from medical school in 2003, 23 years ago.
Does Dr. Christelle E. Kassis do research?
Dmand AI links 10 publications to Dr. Kassis, published from 2011 to 2023.
Who does Dr. Christelle E. Kassis publish with?
Dr. Kassis' most frequent co-authors are Richard Carlson, MD, PhD (1 shared paper), Carlos Alberto Hartmann, MD (1 shared paper) and Chetan Jinadatha, MD, MPH (1 shared paper).
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