Doctor profile · Federal record

Dr. John Flanagan, M D

Ophthalmology Physician (CMS: Ophthalmology) · New York, NY

  • NPI 1992735773
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
950 5Th Ave
New York, NY 100751741
(212) 535-8783
fax (718) 442-3144

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 22, 2008
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
New York #138470
Medicaid
NY #00861376

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992735773. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
560
Distinct HCPCS
9
Medicare allowed
$47,190
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 146 133 $57
92202 Extended exam of the back part of the eye with optic nerve drawing 141 62 $17
99213 Established patient office or other outpatient visit, 20-29 minutes 82 46 $103
99214 Established patient office or other outpatient visit, 30-39 minutes 82 59 $145
92002 New patient problem focused exam of visual system 52 52 $51
66984 Removal of cataract with insertion of prosthetic lens 19 18 $625
92020 Exam of the internal drainage system of eye 13 11 $23
92083 Exam of visual field with extended testing 13 13 $71
92020 Exam of the internal drainage system of eye 12 12 $31

In context: peer comparison

Among 152 peers in this city , average services per provider: 275. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$144
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Glaukos Corporation 1 $143.76

By nature of payment

Food and Beverage
$144

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
183
Patients
22
Total drug cost
$39,951
Drug Type Claims Patients Total cost
Latanoprost Generic 79 22 $2,625
Timolol Maleate Generic 28 0 $536
Rhopressa (Netarsudil Mesylate) Brand 23 0 $17,352
Alphagan P (Brimonidine Tartrate) Brand 21 0 $16,094
Brimonidine Tartrate Generic 16 0 $2,539
Prednisolone Acetate Generic 16 0 $805

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Flanagan's medical specialty?
Dr. John Flanagan practices Ophthalmology Physician in New York, NY.
Where does Dr. John Flanagan practice?
Dr. John Flanagan practices at 950 5Th Ave, New York, NY 100751741. Office phone: 2125358783.
What is Dr. John Flanagan's NPI?
Dr. John Flanagan's National Provider Identifier (NPI) is 1992735773, issued by NPPES.
Does Dr. John Flanagan accept Medicare assignment?
Yes. Dr. John Flanagan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Flanagan commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Extended exam of the back part of the eye with optic nerve drawing (HCPCS 92202); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.