Marcos Doxanas, M.D.
NPI 1922114834 · Ophthalmology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Doxanas, M.D. is a Ophthalmology Physician provider in Baltimore, MD (NPI 1922114834).
Provider details
- NPI number
- 1922114834
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D21275 (MD)
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
19 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
5,712 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 Complete Exam of Visual System92014 | 1,385 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,262 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 754 | $132 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 426 | $59 |
| Imaging of Retina92134 | 386 | $42 |
| Imaging of Optic Nerve92133 | 375 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 523 | 363 |
| Latanoprost | 398 | 117 |
| Prednisolone Acetate | 225 | 151 |
| Timolol Maleate | 119 | 41 |
| Brimonidine Tartrate | 102 | 31 |
| Cromolyn Sodium | 94 | 52 |
| Dorzolamide Hcl | 67 | 25 |
| Doxycycline Monohydrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$491 across 16 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
- 2006-08-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marcos Doxanas's NPI number?
- Marcos Doxanas's National Provider Identifier (NPI) is 1922114834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Doxanas's specialty?
- Marcos Doxanas is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcos Doxanas located?
- Marcos Doxanas's practice location on file with NPPES is 6231 N Charles St, Baltimore, MD 21212-1113.
- What is Marcos Doxanas's phone number?
- The practice phone number listed in the NPPES registry for Marcos Doxanas is (410) 377-2044.
- Does Marcos Doxanas accept Medicare?
- Marcos Doxanas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Doxanas's NPI active?
- Yes — Marcos Doxanas's NPI (1922114834) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.