Dr. Cassondra Andreychik Ellison, MD
- Medicare services, 2024
- 497
- Medicare patients, 2024
- 221
- Part D claims, 2024
- 35
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 100 North Academy Avenue, Danville, PA 17822
- Practice phone
- Call (570) 271-6211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ellison's professional email, personal email and mobile number
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Dr. Cassondra Andreychik Ellison is a dermatologist in Danville, Pennsylvania
Dr. Ellison practices at Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health.
Dr. Ellison's NPI, 1093109498, was assigned on March 24, 2015. Dr. Ellison holds Pennsylvania license MD467474.
- NPI
- 1093109498NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113221615
- NPI enumeration date
- March 24, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 271-6211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cassondra Andreychik Ellison practices at Geisinger Medical Center in Danville, Pennsylvania
Dr. Ellison's primary practice is Geisinger Medical Center, at 100 North Academy Avenue, Danville, PA 17822 in Montour County. The practice phone is (570) 271-6211.
- Geisinger Medical Center100 North Academy Avenue, Danville, PA 17822 · Montour CountyPhone(570) 271-6211
Source: Dmand AI Affiliation Data
Dr. Cassondra Andreychik Ellison is affiliated with 3 sites of care and 2 medical groups
Dr. Ellison's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. The medical group on file is Geisinger. Dmand AI also links Dr. Ellison to 2 more group practices and clinics 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. Cassondra Andreychik Ellison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ellison practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geisinger Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cassondra Andreychik Ellison is one of 606 dermatologists in Pennsylvania
Dermatology is Dr. Ellison's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Ellison is licensed in Pennsylvania.
Specialties and state licenses
- Dermatology, PennsylvaniaPrimary
Dermatologists near Dr. Ellison
Counts of dermatologists 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. Cassondra Andreychik Ellison billed Medicare for 497 services in 2024
CMS data shows 497 Medicare services from Dr. Ellison across 10 procedure codes in 2024, for 221 Medicare patients. Medicare paid $68,750 for them. Every service was in an office.
Dr. Ellison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 6372024: 45628%
- Lab and pathology
- 2023: 822024: 4150%
- Office and hospital visits
- 2023: 242024: 0100%
Dr. Ellison compared with the Pennsylvania median for dermatologists, 2024
- Dr. Ellison
- Pennsylvania median
- Medicare services
- 497vs 1,60069% below
- Medicare patients
- 221vs 48955% below
- Part D claims
- 12vs 41297% below
Medians across 602 dermatologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Ellison'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cassondra Andreychik Ellison treated 221 Medicare patients in 2024, average age 77
CMS counts 221 Medicare patients who saw Dr. Ellison in 2024. The largest group is 75 to 84, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ellison's median patient age at 79, with 45% women.
Dr. Ellison's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ellison's Medicare patients by sex, 2024
- Women10447%
- Men11753%
Chronic conditions among Dr. Ellison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes34%
- Chronic kidney disease28%
- Ischemic heart disease27%
- Anxiety16%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ellison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cassondra Andreychik Ellison wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Ellison wrote 35 Medicare Part D claims for 24 patients. 97% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $667 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Ellison's Part D claims by kind of drug, 2024
- Generic34 claims97%
- Brand-name and other1 claims3%
Dr. Ellison's 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 262024: 1254%
Drugs named by CMS: 1 in 2024, 2 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. Cassondra Andreychik Ellison ranks in the 85th percentile for melanoma (skin cancer) excision in Medicare
Dr. Ellison accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 43 procedures of melanoma (skin cancer) excision by Dr. Ellison, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ellison ranks in Medicare procedure volume
- Removal of skin cancer
- 57th percentile465 procedures
- Removal of skin lesions
- 76th percentile120 procedures
- Skin biopsy
- 77th percentile115 procedures
- Melanoma (skin cancer) excision
- 85th percentile43 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Sources for Dr. Cassondra Andreychik Ellison'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)Doctors and Clinicians Utilization Data (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. Cassondra Andreychik Ellison
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. Cassondra Andreychik Ellison's NPI number?
Dr. Cassondra Andreychik Ellison's NPI number is 1093109498. It was assigned on March 24, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Cassondra Andreychik Ellison?
Dr. Cassondra Andreychik Ellison is a dermatologist in Danville, Pennsylvania. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Cassondra Andreychik Ellison practice?
Dr. Ellison practices at 100 North Academy Avenue, Danville, PA 17822. Dr. Ellison's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. Dmand AI also links Dr. Ellison to 2 group practices and clinics and 1 medical group.
What is Dr. Cassondra Andreychik Ellison's office phone number?
The practice phone on file for Dr. Ellison is (570) 271-6211.
What is Dr. Cassondra Andreychik Ellison's medical license number?
Dr. Ellison holds Pennsylvania license MD467474.
Which hospitals is Dr. Cassondra Andreychik Ellison affiliated with?
Dr. Ellison practices at Geisinger Medical Center in Danville, Pennsylvania.
What medical group is Dr. Cassondra Andreychik Ellison part of?
Dr. Ellison is linked to Geisinger. Dmand AI links Dr. Ellison to 1 more medical group.
Does Dr. Cassondra Andreychik Ellison accept Medicare?
Yes. CMS data shows Dr. Ellison billed Medicare for 497 services in 2024, and Dr. Ellison accepts Medicare assignment.
How many Medicare patients does Dr. Cassondra Andreychik Ellison see?
CMS counts 221 Medicare patients who saw Dr. Ellison in 2024, with an average age of 77.
What services does Dr. Cassondra Andreychik Ellison bill to Medicare?
In 2024, Dr. Ellison's most billed Medicare services were surgery: skin and soft tissue (17311), surgery: skin and soft tissue (17312) and lab and pathology test (88331).
What drugs does Dr. Cassondra Andreychik Ellison prescribe most?
In 2024 Medicare Part D data, Dr. Ellison's most prescribed drugs by claims were Valacyclovir.
How long has Dr. Cassondra Andreychik Ellison been practicing?
Dr. Ellison graduated from medical school in 2015, 11 years ago.
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