Doctor profile · Federal record

Dr. Scott Greenstein, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Boston, MA

  • NPI 1164484804
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
243 Charles St
Boston, MA 021143002
(617) 523-7900
fax (617) 573-6922

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
August 15, 2013
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Massachusetts #208803

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164484804. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,318
Distinct HCPCS
10
Medicare allowed
$366,687
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 1,190 1,152 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 462 379 $104
92134 Imaging of retina 351 330 $27
92083 Exam of visual field with extended testing 249 240 $29
92136 Measurement of corneal curvature and depth of eye 242 233 $33
92133 Imaging of optic nerve 229 221 $23
92004 New patient complete exam of visual system 135 135 $101
66984 Removal of cataract with insertion of prosthetic lens 118 81 $593
66982 Complex removal of cataract with insertion of prosthetic lens 98 76 $809
99204 New patient office or other outpatient visit, 45-59 minutes 91 91 $142

In context: peer comparison

Among 89 peers in Boston Ophthalmology Physician, average services per provider: 193. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $15.00

By nature of payment

Travel and Lodging
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,243
Patients
664
Total drug cost
$53,232
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 358 206 $10,475
Moxifloxacin (Moxifloxacin Hcl) Brand 324 195 $9,936
Ketorolac Tromethamine Generic 230 142 $4,871
Latanoprost Generic 129 39 $1,955
Nevanac (Nepafenac) Brand 46 25 $15,387
Diclofenac Sodium Generic 39 30 $436
Timolol Maleate Generic 38 13 $7,692
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 35 14 $893
Brimonidine Tartrate Generic 17 0 $1,296
Erythromycin (Erythromycin Base) Brand 14 0 $137

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Scott Greenstein's medical specialty?
Dr. Scott Greenstein practices Ophthalmology Physician in Boston, MA.
Where does Dr. Scott Greenstein practice?
Dr. Scott Greenstein practices at 243 Charles St, Boston, MA 021143002. Office phone: 6175237900.
What is Dr. Scott Greenstein's NPI?
Dr. Scott Greenstein's National Provider Identifier (NPI) is 1164484804, issued by NPPES.
Does Dr. Scott Greenstein accept Medicare assignment?
Yes. Dr. Scott Greenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Scott Greenstein commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99214); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.