Foot Ankle Clin
Nicholas Dyson Casscells
- Medicare services, 2024
- 618
- Medicare patients, 2024
- 352
- Part D claims, 2024
- 182
- Publications
- 5
- MIPS score, 2024
- 83
- Practice address
- 3800 Reservoir NW Rd, Washington, DC 20007
- Practice phone
- Call (202) 444-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Georgetown Medical Center
Washington, District of Columbia
Find Nicholas Casscells' 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.
Nicholas Dyson Casscells is an orthopedic surgeon in Washington, District of Columbia
Nicholas Casscells practices at Medstar Georgetown Medical Center in Washington, District of Columbia.
Nicholas Casscells' NPI, 1811330996, was assigned on April 9, 2013. Nicholas Casscells graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2013. Nicholas Casscells holds District of Columbia license MD047193.
- NPI
- 1811330996NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486984499
- NPI enumeration date
- April 9, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 444-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nicholas Dyson Casscells practices at Medstar Georgetown Medical Center in Washington, District of Columbia
Nicholas Casscells' primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.
- Medstar Georgetown Medical Center3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nicholas Dyson Casscells is affiliated with 4 sites of care and 2 medical groups
Nicholas Casscells' primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Nicholas Casscells is also affiliated with MedStar Georgetown University Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Nicholas Casscells to 1 more hospital, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nicholas Dyson Casscells' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Casscells practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Georgetown 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
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Nicholas Dyson Casscells is one of 60 orthopedic surgeons in District of Columbia
Orthopaedic surgery is Nicholas Casscells' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Nicholas Casscells is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Nicholas Casscells' licenses on file in 3 states: District of Columbia, Maryland and Virginia.
Specialties and state licenses
- Orthopaedic surgery, District of ColumbiaPrimary
- Maryland license
- Virginia license
Clinical focus
Dmand AI lists arthritis, broken or dislocated ankle/ or foot, enthesopathy in foot or ankle, fluid in a joint, joint or bone infection, knee injury, leg, ankle or foot fracture and lower back pain among the conditions Nicholas Casscells treats.
Orthopedic surgeons near Nicholas Casscells
Counts of orthopedic surgeons 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
Nicholas Dyson Casscells billed Medicare for 618 services in 2024
CMS data shows 618 Medicare services from Nicholas Casscells across 6 procedure codes in 2024, for 352 Medicare patients. Medicare paid $46,868 for them.
Nicholas Casscells' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4972024: 4843%
- Drugs given in the office
- 2023: 882024: 12036%
- Surgery
- 2023: 162024: 1413%
Where Nicholas Casscells' Medicare services took place, 2024
- In an office46575%
- In a facility15325%
Nicholas Casscells compared with the District of Columbia median for orthopedic surgeons, 2024
- Nicholas Casscells
- District of Columbia median
- Medicare services
- 618vs 600Close to median
- Medicare patients
- 352vs 28922% above
- Part D claims
- 144vs 8471% above
Medians across 57 orthopedic surgeons in District of Columbia with Dmand AI profiles that report each measure.
Nicholas Casscells' 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 Nicholas Casscells?
Medicare shows one payer. Book a meeting to get commercial claims data for Nicholas Casscells and other orthopedic surgeons in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Nicholas Dyson Casscells treated 352 Medicare patients in 2024, average age 72
CMS counts 352 Medicare patients who saw Nicholas Casscells in 2024. The largest group is 65 to 74, with 184 patients. 70% of them have arthritis, and 70% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nicholas Casscells' median patient age at 46, with 60% women.
Nicholas Casscells' Medicare patients by age, 2024
Nicholas Casscells' Medicare patients by sex, 2024
- Women24670%
- Men10630%
Chronic conditions among Nicholas Casscells' Medicare patients, 2024
- Arthritis70%
- High cholesterol70%
- High blood pressure61%
- Osteoporosis23%
- Diabetes22%
- Mood disorders21%
- Ischemic heart disease20%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Nicholas Casscells' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nicholas Dyson Casscells wrote 182 Medicare Part D claims in 2024
In 2024, Nicholas Casscells wrote 182 Medicare Part D claims for 81 patients. 99% of them were for generic drugs. CMS names the drug for 144 of them, across 5 drugs with 11 or more claims each, at $948 in total drug cost. In 2023, CMS named 55 claims across 1 drug.
Nicholas Casscells' Part D claims by kind of drug, 2024
- Generic180 claims99%
- Brand-name and other2 claims1%
Nicholas Casscells' 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 Nicholas Casscells' Part D claims, 2024
- Opioids13%24 of 182 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: 552024: 144162%
Drugs named by CMS: 5 in 2024, 1 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
Nicholas Dyson Casscells scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Nicholas Casscells for performance year 2024, reported as part of a group. Nicholas Casscells accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Nicholas Casscells as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Nicholas Casscells' MIPS scores, performance year 2024
- 83of 100Final score
- 72.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Nicholas Dyson Casscells has 5 publications on record
Dmand AI links 5 papers to Nicholas Casscells, published from 2010 to 2021. 2015 was the busiest year, with 2. Nicholas Casscells' most frequent co-authors are Evan Henry Argintar, MD, Eleanor Aubrey Belilos and Laura Elizabeth Keeling, MD.
Nicholas Casscells' papers by year, 2010 to 2021
Nicholas Casscells' most frequent co-authors
- Evan Henry Argintar, MD2 shared papers
- Eleanor Aubrey Belilos1 shared paper
- Laura Elizabeth Keeling, MD1 shared paper
Recent publications by Nicholas Casscells
Sports Med Arthrosc Rev
See who Nicholas Casscells researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Nicholas Casscells works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Nicholas Dyson Casscells received $3,573 in industry payments from 2016 to 2025
CMS Open Payments shows 48 general payments to Nicholas Casscells from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 72% of the total. Stryker Corporation paid the most, $1,195.
General payments to Nicholas Casscells by program year, 2016 to 2025
General payments to Nicholas Casscells by kind, 2016 to 2025
- Food and beverage$2,57872%
- Travel and lodging$99528%
Companies that paid Nicholas Casscells the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Nicholas Dyson Casscells graduated from Sidney Kimmel Medical College at Thomas Jefferson University
Nicholas Casscells graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2013.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Nicholas Dyson Casscells accepts plans from 17 insurance carriers
Nicholas Casscells is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- CareFirst BlueCross BlueShield
- Cigna
- HCSC
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Nicholas Casscells accepts, by number of carriers
- PPO12
- Medicare11
- HMO9
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Nicholas Dyson Casscells'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Nicholas Dyson Casscells
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nicholas Dyson Casscells' NPI number?
Nicholas Dyson Casscells' NPI number is 1811330996. It was assigned on April 9, 2013, and it is active in the NPI Registry.
What does Nicholas Dyson Casscells specialize in?
Nicholas Dyson Casscells is an orthopedic surgeon in Washington, District of Columbia. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Nicholas Dyson Casscells practice?
Nicholas Casscells practices at 3800 Reservoir NW Rd, Washington, DC 20007. Nicholas Casscells' primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Nicholas Casscells to 1 hospital, 1 home health agency and 1 medical group.
What is Nicholas Dyson Casscells' office phone number?
The practice phone on file for Nicholas Casscells is (202) 444-1400.
What is Nicholas Dyson Casscells' medical license number?
Nicholas Casscells holds District of Columbia license MD047193, one of the licenses on file in 3 states.
Which states has Nicholas Dyson Casscells been licensed in?
Dmand AI has state licenses on file for Nicholas Casscells in District of Columbia (2019 to 2027), Maryland (2019 to 2026) and Virginia (2014 to 2026).
Which hospitals is Nicholas Dyson Casscells affiliated with?
Nicholas Casscells is affiliated with MedStar Georgetown University Hospital. Dmand AI links Nicholas Casscells to 1 more hospital.
What medical group is Nicholas Dyson Casscells part of?
Nicholas Casscells is linked to MedStar Medical Group. Dmand AI links Nicholas Casscells to 1 more medical group.
Does Nicholas Dyson Casscells accept Medicare?
Yes. CMS data shows Nicholas Casscells billed Medicare for 618 services in 2024, and Nicholas Casscells accepts Medicare assignment.
Does Nicholas Dyson Casscells offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Nicholas Casscells as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Nicholas Dyson Casscells' MIPS score?
Nicholas Casscells' MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Nicholas Dyson Casscells see?
CMS counts 352 Medicare patients who saw Nicholas Casscells in 2024, with an average age of 72.
Is Nicholas Dyson Casscells board certified?
Yes. Nicholas Casscells is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Nicholas Dyson Casscells bill to Medicare?
In 2024, Nicholas Casscells' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and injected or infused drug (J3301).
Where did Nicholas Dyson Casscells go to medical school?
Nicholas Casscells graduated from Sidney Kimmel Medical College at Thomas Jefferson University in 2013.
What drugs does Nicholas Dyson Casscells prescribe most?
In 2024 Medicare Part D data, Nicholas Casscells' most prescribed drugs by claims were Meloxicam, Diclofenac Sodium and Celecoxib.
Has Nicholas Dyson Casscells received payments from drug or device companies?
CMS Open Payments shows $3,573 in general payments to Nicholas Casscells from 14 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Nicholas Dyson Casscells been practicing?
Nicholas Casscells graduated from medical school in 2013, 13 years ago.
Does Nicholas Dyson Casscells do research?
Dmand AI links 5 publications to Nicholas Casscells, published from 2010 to 2021.
Who does Nicholas Dyson Casscells publish with?
Nicholas Casscells' most frequent co-authors are Evan Henry Argintar, MD (2 shared papers), Eleanor Aubrey Belilos (1 shared paper) and Laura Elizabeth Keeling, MD (1 shared paper).
What insurance does Nicholas Dyson Casscells accept?
Nicholas Casscells is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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