Mark Kassels, MD
NPI 1437114055 · Ophthalmology Physician · Sheffield, AL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kassels, MD is a Ophthalmology Physician provider in Sheffield, AL (NPI 1437114055).
Provider details
- NPI number
- 1437114055
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16162 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,486 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 538 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 404 | $82 |
| Imaging of Optic Nerve92133 | 330 | $32 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 232 | $23 |
| Imaging of Retina92134 | 207 | $36 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 131 | $459 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,393 | 304 |
| Timolol Maleate | 509 | 149 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 410 | 111 |
| Brimonidine Tartrate | 210 | 54 |
| Ketorolac Tromethamine | 200 | 185 |
| Ofloxacin | 189 | 179 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 168 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$334 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-18
- Last updated
- 2022-04-13
- Certified
- 2022-04-13
Frequently asked questions
- What is Mark Kassels's NPI number?
- Mark Kassels's National Provider Identifier (NPI) is 1437114055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kassels's specialty?
- Mark Kassels is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kassels located?
- Mark Kassels's practice location on file with NPPES is 1110 S. Montgomery Ave, Sheffield, AL 35660.
- What is Mark Kassels's phone number?
- The practice phone number listed in the NPPES registry for Mark Kassels is (256) 381-2020.
- Does Mark Kassels accept Medicare?
- Mark Kassels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kassels's NPI active?
- Yes — Mark Kassels's NPI (1437114055) is active in the NPPES registry as of the last update on 2022-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.