Scott Greenstein, M.D.
NPI 1164484804 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Scott Greenstein, M.D. is a Ophthalmology Physician provider in Boston, MA (NPI 1164484804).
Provider details
- NPI number
- 1164484804
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 208803 (MA)
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
20 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
3,489 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 Complete Exam of Visual System92014 | 1,267 | $80 |
| Imaging of Retina92134 | 462 | $26 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 459 | $101 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 252 | $32 |
| Exam of Visual Field With Extended Testing92083 | 251 | $28 |
| Imaging of Optic Nerve92133 | 187 | $23 |
| Complex Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 370 | 208 |
| Ketorolac Tromethamine | 325 | 187 |
| Moxifloxacin Hclbrand: Moxifloxacin | 320 | 196 |
| Latanoprost | 160 | 39 |
| Timolol Maleate | 65 | 18 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 40 | 13 |
| Cyclosporinebrand: Restasis | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 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
- 2006-04-06
- Last updated
- 2013-08-15
Frequently asked questions
- What is Scott Greenstein's NPI number?
- Scott Greenstein's National Provider Identifier (NPI) is 1164484804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Scott Greenstein's specialty?
- Scott Greenstein is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Scott Greenstein located?
- Scott Greenstein's practice location on file with NPPES is 243 Charles St, Boston, MA 02114-3002.
- What is Scott Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Scott Greenstein is (617) 523-7900.
- Does Scott Greenstein accept Medicare?
- Scott Greenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Scott Greenstein's NPI active?
- Yes — Scott Greenstein's NPI (1164484804) is active in the NPPES registry as of the last update on 2013-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.