Mark Fleckner, M.D.,P.C.
NPI 1225063274 · Retina Specialist (Ophthalmology) Physician · Garden City, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Fleckner, M.D.,P.C. is a Retina Specialist (Ophthalmology) Physician provider in Garden City, NY (NPI 1225063274).
Provider details
- NPI number
- 1225063274
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,P.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 200481 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
39,116 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 18,603 | $5 |
| Imaging of Retina92134 | 5,114 | $46 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 4,480 | $29 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,061 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,413 | $110 |
| Established Patient Complete Exam of Visual System92014 | 1,254 | $151 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 755 | 397 |
| Diclofenac Sodium | 552 | 145 |
| Latanoprost | 480 | 157 |
| Bromfenac Sodium | 259 | 61 |
| Prednisolone Acetate | 239 | 137 |
| Ketorolac Tromethamine | 210 | 67 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 159 | 52 |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$475 across 23 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
- 2006-07-11
- Last updated
- 2018-07-10
Frequently asked questions
- What is Mark Fleckner's NPI number?
- Mark Fleckner's National Provider Identifier (NPI) is 1225063274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fleckner's specialty?
- Mark Fleckner is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Fleckner located?
- Mark Fleckner's practice location on file with NPPES is 520 Franklin Ave, Garden City, NY 11530.
- What is Mark Fleckner's phone number?
- The practice phone number listed in the NPPES registry for Mark Fleckner is (516) 739-5905.
- Does Mark Fleckner accept Medicare?
- Mark Fleckner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Fleckner's NPI active?
- Yes — Mark Fleckner's NPI (1225063274) is active in the NPPES registry as of the last update on 2018-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.