npidexNPI registry + Medicare data

JOHN WARREN, MD

Ophthalmology Physician · GREENFIELD, MA

Individual Active NPI 1386634400

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20248833,992$2,608,073$668,364$512,534
20239213,876$2,580,277$617,670$463,761
20228643,411$2,301,485$582,801$437,579

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
92136Measurement of corneal curvature and depth of eye987$28$20
66984Removal of cataract with insertion of prosthetic lens619$561$449
92134Imaging of retina542$42$31
92014Established patient complete exam of visual system538$135$92
92025Ct scan of cornea333$39$29
68841Insertion of drug delivery implant into tear duct of eye213$17$14
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more207$177$117
92012Established patient problem focused exam of visual system136$96$69
92133Imaging of optic nerve95$38$24
66821Removal of recurring cataract in lens capsule using a laser72$468$364
92083Exam of visual field with extended testing50$69$46
66991Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye45$676$543

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Ophthalmology Physician207W00000X✓223233MA

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

Other Ophthalmology Physician providers in Massachusetts

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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.