Mark Mcdermott, MD
NPI 1326085820 · Ophthalmology Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mcdermott, MD is a Ophthalmology Physician provider in Detroit, MI (NPI 1326085820).
Provider details
- NPI number
- 1326085820
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301054291 (MI)
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
691 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 264 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $125 |
| Exam of Visual Field With Extended Testing92083 | 43 | $57 |
| Imaging of Optic Nerve92133 | 30 | $31 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 | $160 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 543 | 107 |
| Brimonidine Tartrate | 138 | 35 |
| Prednisolone Acetate | 136 | 66 |
| Timolol Maleate | 93 | 25 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 83 | 22 |
| Dorzolamide Hcl | 38 | — |
| Cyclosporinebrand: Restasis | 30 | — |
| Brimonidine Tartrate/Timolol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (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
- 2006-06-01
- Last updated
- 2016-05-18
Frequently asked questions
- What is Mark Mcdermott's NPI number?
- Mark Mcdermott's National Provider Identifier (NPI) is 1326085820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mcdermott's specialty?
- Mark Mcdermott is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Mcdermott located?
- Mark Mcdermott's practice location on file with NPPES is Kresge Eye Institute, Detroit, MI 48201.
- What is Mark Mcdermott's phone number?
- The practice phone number listed in the NPPES registry for Mark Mcdermott is (313) 577-8900.
- Does Mark Mcdermott accept Medicare?
- Mark Mcdermott is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mcdermott's NPI active?
- Yes — Mark Mcdermott's NPI (1326085820) is active in the NPPES registry as of the last update on 2016-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.