Ophthalmol Retina
ChoroidDrug UsersEndophthalmitis
Dr. Katherine Agatha Tsamis, MD
NPI1578946315PAC ID0749598019
- Medicare services, 2024
- 1,347
- Medicare patients, 2024
- 371
- Part D claims, 2024
- 2,177
- Publications
- 3
- Industry payments
- $2,986
- Practice address
- 100 Kimel Forest Dr, Winston Salem, NC 27103
- Practice phone
- Call (336) 802-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow
Winston Salem, North Carolina
Find Dr. Tsamis' 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. Katherine Agatha Tsamis is an ophthalmologist in Winston Salem, North Carolina
Dr. Tsamis practices at Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow in Winston Salem, North Carolina.
Dr. Tsamis' NPI, 1578946315, was assigned on June 29, 2015. Dr. Tsamis holds North Carolina license 2019-00443.
NPI and contact details
- NPI
- 1578946315NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749598019
- NPI enumeration date
- June 29, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (336) 802-2020
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Agatha Tsamis practices at Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow in Winston Salem, North Carolina
Dr. Tsamis' primary practice is Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow, at 100 Kimel Forest Dr, Winston Salem, NC 27103 in Forsyth County. The practice phone is (336) 802-2020.
- Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow100 Kimel Forest Dr, Winston Salem, NC 27103 · Forsyth CountyPhone(336) 802-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katherine Agatha Tsamis is affiliated with 2 sites of care and 1 medical group
Dr. Tsamis' primary practice is Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow in Winston Salem, North Carolina. The medical group on file is Atrium Health Wake Forest Baptist Pediatrics - Greensboro. Dmand AI also links Dr. Tsamis to 1 more group practice or clinic, named with a free account.
Atrium Health Wake Forest Baptist Ophthalmology - Oak HollowPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katherine Agatha Tsamis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsamis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Tsamis practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katherine Agatha Tsamis is one of 552 ophthalmologists in North Carolina
Ophthalmology is Dr. Tsamis' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Tsamis' licenses on file in 2 states: North Carolina and South Carolina.
Specialties and state licenses
- Ophthalmology, North CarolinaPrimary
- Internal medicine, South Carolina
Ophthalmologists near Dr. Tsamis
Counts of ophthalmologists 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. Katherine Agatha Tsamis billed Medicare for 1,347 services in 2024
CMS data shows 1,347 Medicare services from Dr. Tsamis across 14 procedure codes in 2024, for 371 Medicare patients. Medicare paid $93,975 for them.
Medicare services, 20241,347
Medicare patients371
Paid by Medicare$93,975
Procedure codes14
Dr. Tsamis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7742024: 89015%
- Office and hospital visits
- 2023: 2932024: 3126%
- Surgery
- 2023: 992024: 11819%
- Imaging
- 2023: 312024: 2713%
Where Dr. Tsamis' Medicare services took place, 2024
- In an office1,26394%
- In a facility846%
Dr. Tsamis compared with the North Carolina median for ophthalmologists, 2024
- Dr. Tsamis
- North Carolina median
- Medicare services
- 1,347vs 1,70121% below
- Medicare patients
- 371vs 56634% below
- Part D claims
- 2,118vs 6203.4 times
Medians across 580 ophthalmologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Tsamis' 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. Tsamis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsamis and other ophthalmologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Agatha Tsamis treated 371 Medicare patients in 2024, average age 78
CMS counts 371 Medicare patients who saw Dr. Tsamis in 2024. The largest group is 75 to 84, with 172 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tsamis' median patient age at 75, with 64% women.
Medicare patients, 2024371
Average age78
Average risk score1.27
Also on Medicaid7%
Dr. Tsamis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tsamis' Medicare patients by sex, 2024
- Women23664%
- Men13536%
Chronic conditions among Dr. Tsamis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Diabetes34%
- Chronic kidney disease31%
- Ischemic heart disease24%
- Anxiety22%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsamis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Agatha Tsamis wrote 2,177 Medicare Part D claims in 2024
In 2024, Dr. Tsamis wrote 2,177 Medicare Part D claims for 501 patients. 66% of them were for generic drugs. CMS names the drug for 2,118 of them, across 18 drugs with 11 or more claims each, at $112,393 in total drug cost. In 2023, CMS named 1,875 claims across 15 drugs.
Part D claims, 20242,177
Drugs named by CMS18
Total drug cost$112,393
Part D patients501
Dr. Tsamis' Part D claims by kind of drug, 2024
- Generic1,427 claims66%
- Brand-name750 claims34%
Dr. Tsamis' 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: 1,8752024: 2,11813%
Drugs named by CMS: 18 in 2024, 15 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. Katherine Agatha Tsamis ranks in the 66th percentile for cataract surgery in Medicare
Dr. Tsamis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 58 procedures of cataract surgery by Dr. Tsamis, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Tsamis ranks in Medicare procedure volume
- Cataract surgery
- 66th percentile58 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Find ophthalmologists like Dr. Tsamis by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Katherine Agatha Tsamis has 3 publications on record
Dmand AI links 3 papers to Dr. Tsamis, published from 2011 to 2021. The most frequent topics are Gene Expression Profiling. Dr. Tsamis' most frequent co-authors are Erin Whitney Barnes, MD, Bryan M. Clary, MD and Jessica Erin Weinstein, MD.
Papers3
Years published2011 to 2021
Dr. Tsamis' papers by year, 2011 to 2021
Topics Dr. Tsamis writes about most
- Gene Expression Profiling
Dr. Tsamis' most frequent co-authors
- Erin Whitney Barnes, MD1 shared paper
- Bryan M. Clary, MD1 shared paper
- Jessica Erin Weinstein, MD1 shared paper
Recent publications by Dr. Tsamis
Mol Cancer Ther
Antineoplastic AgentsCell Line, TumorCluster Analysis
BMC Med Genomics
FixativesFormaldehydeGene Expression Profiling
See who Dr. Tsamis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tsamis works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Katherine Agatha Tsamis received $2,986 in industry payments from 2016 to 2025
CMS Open Payments shows 47 general payments to Dr. Tsamis from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $773.
General payments to Dr. Tsamis by program year, 2016 to 2025
General payments to Dr. Tsamis by kind, 2016 to 2025
$3Kin total
- Food and beverage$2,89297%
- Education$953%
Companies that paid Dr. Tsamis 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. Katherine Agatha Tsamis'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 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) |
| 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. Katherine Agatha Tsamis
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. Katherine Agatha Tsamis' NPI number?
Dr. Katherine Agatha Tsamis' NPI number is 1578946315. It was assigned on June 29, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Agatha Tsamis?
Dr. Katherine Agatha Tsamis is an ophthalmologist in Winston Salem, North Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Katherine Agatha Tsamis practice?
Dr. Tsamis practices at 100 Kimel Forest Dr, Winston Salem, NC 27103. Dr. Tsamis' primary practice is Atrium Health Wake Forest Baptist Ophthalmology - Oak Hollow in Winston Salem, North Carolina. Dmand AI also links Dr. Tsamis to 1 group practice or clinic.
What is Dr. Katherine Agatha Tsamis' office phone number?
The practice phone on file for Dr. Tsamis is (336) 802-2020.
What is Dr. Katherine Agatha Tsamis' medical license number?
Dr. Tsamis holds North Carolina license 2019-00443, one of the licenses on file in 2 states.
Which states has Dr. Katherine Agatha Tsamis been licensed in?
Dmand AI has state licenses on file for Dr. Tsamis in North Carolina and South Carolina.
What medical group is Dr. Katherine Agatha Tsamis part of?
Dr. Tsamis is linked to Atrium Health Wake Forest Baptist Pediatrics - Greensboro.
Does Dr. Katherine Agatha Tsamis accept Medicare?
Yes. CMS data shows Dr. Tsamis billed Medicare for 1,347 services in 2024, and Dr. Tsamis accepts Medicare assignment.
How many Medicare patients does Dr. Katherine Agatha Tsamis see?
CMS counts 371 Medicare patients who saw Dr. Tsamis in 2024, with an average age of 78.
What services does Dr. Katherine Agatha Tsamis bill to Medicare?
In 2024, Dr. Tsamis' most billed Medicare services were eye exam or test (92134), eye exam or test (92014) and office visit, established patient (99213).
Show 5 more questionsShow fewer questions
What drugs does Dr. Katherine Agatha Tsamis prescribe most?
In 2024 Medicare Part D data, Dr. Tsamis' most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Moxifloxacin.
Has Dr. Katherine Agatha Tsamis received payments from drug or device companies?
CMS Open Payments shows $2,986 in general payments to Dr. Tsamis from 10 companies from 2016 to 2025. The largest total came from Johnson & Johnson Surgical Vision, Inc.
How long has Dr. Katherine Agatha Tsamis been practicing?
Dr. Tsamis graduated from medical school in 2015, 11 years ago.
Does Dr. Katherine Agatha Tsamis do research?
Dmand AI links 3 publications to Dr. Tsamis, published from 2011 to 2021.
Who does Dr. Katherine Agatha Tsamis publish with?
Dr. Tsamis' most frequent co-authors are Erin Whitney Barnes, MD (1 shared paper), Bryan M. Clary, MD (1 shared paper) and Jessica Erin Weinstein, MD (1 shared paper).
Selling to ophthalmology practices?
See ophthalmologists in North Carolina 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