John Flanagan, M D
NPI 1992735773 · Ophthalmology Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Flanagan, M D is a Ophthalmology Physician provider in New York, NY (NPI 1992735773).
Provider details
- NPI number
- 1992735773
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 138470 (NY)
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
572 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 Problem Focused Exam of Visual System92012 | 208 | $53 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 111 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $143 |
| New Patient Problem Focused Exam of Visual System92002 | 65 | $48 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $101 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 86 | 23 |
| Brimonidine Tartrate | 46 | — |
| Timolol Maleate | 27 | — |
| Netarsudil Mesylatebrand: Rhopressa | 22 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 15 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 12 | — |
| Dorzolamide Hcl | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 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
- 2006-07-04
- Last updated
- 2008-07-22
Frequently asked questions
- What is John Flanagan's NPI number?
- John Flanagan's National Provider Identifier (NPI) is 1992735773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flanagan's specialty?
- John Flanagan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Flanagan located?
- John Flanagan's practice location on file with NPPES is 950 5th Ave, New York, NY 10075-1741.
- What is John Flanagan's phone number?
- The practice phone number listed in the NPPES registry for John Flanagan is (212) 535-8783.
- Does John Flanagan accept Medicare?
- John Flanagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Flanagan's NPI active?
- Yes — John Flanagan's NPI (1992735773) is active in the NPPES registry as of the last update on 2008-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.