Dr. Mark A. Kassels, MD
- Medicare services, 2024
- 2,486
- Medicare patients, 2024
- 805
- Part D claims, 2024
- 4,273
- MIPS score, 2024
- 89
- Industry payments
- $2,841
- Practice address
- 1110 S Montgomery Ave, Sheffield, AL 35660-6330
- Practice phone
- Call (256) 381-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tennessee River Eye Clinic
Eye care practice · Sheffield, Alabama
Find Dr. Kassels' 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. Mark A. Kassels is an ophthalmologist in Sheffield, Alabama
Dr. Kassels practices at Tennessee River Eye Clinic in Sheffield, Alabama.
Dr. Kassels' NPI, 1437114055, was assigned on April 18, 2006. Dr. Kassels graduated from Emory University School of Medicine in 1990. Dr. Kassels holds Alabama license 16162.
- NPI
- 1437114055NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022291335
- NPI enumeration date
- April 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (256) 381-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Kassels practices at Tennessee River Eye Clinic in Sheffield, Alabama
Dr. Kassels' primary practice is Tennessee River Eye Clinic, at 1110 S Montgomery Ave, Sheffield, AL 35660-6330. The practice phone is (256) 381-2020.
- Tennessee River Eye Clinic1110 S Montgomery Ave, Sheffield, AL 35660-6330Phone(256) 381-2020
Source: Dmand AI Affiliation Data
Dr. Mark A. Kassels is affiliated with 1 site of care and 1 medical group
Dr. Kassels' primary practice is Tennessee River Eye Clinic in Sheffield, Alabama. Dmand AI also links Dr. Kassels to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark A. Kassels' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kassels practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tennessee River Eye Clinic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Kassels is one of 202 ophthalmologists in Alabama
Ophthalmology is Dr. Kassels' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Kassels is licensed in Alabama.
Specialties and state licenses
- Ophthalmology, AlabamaPrimary
Ophthalmologists near Dr. Kassels
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. Mark A. Kassels billed Medicare for 2,486 services in 2024
CMS data shows 2,486 Medicare services from Dr. Kassels across 17 procedure codes in 2024, for 805 Medicare patients. Medicare paid $190,038 for them.
Dr. Kassels' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2092024: 1,1664%
- Tests and treatments
- 2023: 1,0952024: 1,0088%
- Surgery
- 2023: 3072024: 26613%
- Imaging
- 2023: 412024: 4612%
Where Dr. Kassels' Medicare services took place, 2024
- In an office2,35595%
- In a facility1315%
Dr. Kassels compared with the Alabama median for ophthalmologists, 2024
- Dr. Kassels
- Alabama median
- Medicare services
- 2,486vs 1,2282.0 times
- Medicare patients
- 805vs 55246% above
- Part D claims
- 4,171vs 9234.5 times
Medians across 211 ophthalmologists in Alabama with Dmand AI profiles that report each measure.
Dr. Kassels' 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. Kassels?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kassels and other ophthalmologists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Kassels treated 805 Medicare patients in 2024, average age 77
CMS counts 805 Medicare patients who saw Dr. Kassels in 2024. The largest group is 75 to 84, with 373 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% 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 Dr. Kassels' median patient age at 77, with 63% women.
Dr. Kassels' Medicare patients by age, 2024
Dr. Kassels' Medicare patients by sex, 2024
- Women49061%
- Men31539%
Chronic conditions among Dr. Kassels' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes41%
- Anxiety25%
- Ischemic heart disease25%
- Chronic kidney disease23%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kassels' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Kassels wrote 4,273 Medicare Part D claims in 2024
In 2024, Dr. Kassels wrote 4,273 Medicare Part D claims for 735 patients. 72% of them were for generic drugs. CMS names the drug for 4,171 of them, across 29 drugs with 11 or more claims each, at $367,641 in total drug cost. In 2023, CMS named 4,148 claims across 27 drugs.
Dr. Kassels' Part D claims by kind of drug, 2024
- Generic3,058 claims72%
- Brand-name1,215 claims28%
Dr. Kassels' 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. Kassels' Part D claims, 2024
- Antibiotics3%146 of 4,273 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: 4,1482024: 4,1711%
Drugs named by CMS: 29 in 2024, 27 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. Mark A. Kassels scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Kassels for performance year 2024, reported individually. Dr. Kassels accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Dr. Kassels, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Kassels' MIPS scores, performance year 2024
- 89of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 63of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Kassels ranks in Medicare procedure volume
- Cataract surgery
- 48th percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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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Dr. Mark A. Kassels received $2,841 in industry payments from 2016 to 2025
CMS Open Payments shows 80 general payments to Dr. Kassels from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $1,586.
General payments to Dr. Kassels by program year, 2016 to 2025
General payments to Dr. Kassels by kind, 2016 to 2025
- Food and beverage$2,80499%
- Education$381%
Companies that paid Dr. Kassels the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark A. Kassels graduated from Emory University School of Medicine
Dr. Kassels graduated from Emory University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark A. Kassels'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 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) |
| 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. Mark A. Kassels
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. Mark A. Kassels' NPI number?
Dr. Mark A. Kassels' NPI number is 1437114055. It was assigned on April 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Kassels?
Dr. Mark A. Kassels is an ophthalmologist in Sheffield, Alabama. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Mark A. Kassels practice?
Dr. Kassels practices at 1110 S Montgomery Ave, Sheffield, AL 35660-6330. Dr. Kassels' primary practice is Tennessee River Eye Clinic in Sheffield, Alabama. Dmand AI also links Dr. Kassels to 1 medical group.
What is Dr. Mark A. Kassels' office phone number?
The practice phone on file for Dr. Kassels is (256) 381-2020.
What is Dr. Mark A. Kassels' medical license number?
Dr. Kassels holds Alabama license 16162.
Does Dr. Mark A. Kassels accept Medicare?
Yes. CMS data shows Dr. Kassels billed Medicare for 2,486 services in 2024, and Dr. Kassels accepts Medicare assignment.
What is Dr. Mark A. Kassels' MIPS score?
Dr. Kassels' MIPS final score for performance year 2024 is 89 out of 100, reported individually.
How many Medicare patients does Dr. Mark A. Kassels see?
CMS counts 805 Medicare patients who saw Dr. Kassels in 2024, with an average age of 77.
What services does Dr. Mark A. Kassels bill to Medicare?
In 2024, Dr. Kassels' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and eye exam or test (92133).
Where did Dr. Mark A. Kassels go to medical school?
Dr. Kassels graduated from Emory University School of Medicine in 1990.
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What drugs does Dr. Mark A. Kassels prescribe most?
In 2024 Medicare Part D data, Dr. Kassels' most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. Mark A. Kassels received payments from drug or device companies?
CMS Open Payments shows $2,841 in general payments to Dr. Kassels from 18 companies from 2016 to 2025. The largest total came from Johnson & Johnson Surgical Vision, Inc.
How long has Dr. Mark A. Kassels been practicing?
Dr. Kassels graduated from medical school in 1990, 36 years ago.
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