Ryan Vasan, M.D.
NPI 1548587645 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Vasan, M.D. is a Ophthalmology Physician provider in Boston, MA (NPI 1548587645).
Provider details
- NPI number
- 1548587645
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 258951 (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
16 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
2,508 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 995 | $76 |
| Imaging of Retina92134 | 248 | $31 |
| Imaging of Optic Nerve92133 | 228 | $27 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 205 | $43 |
| Exam of Visual Field With Extended Testing92083 | 132 | $41 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 127 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 235 | 63 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 132 | 78 |
| Prednisolone Acetate | 89 | 50 |
| Erythromycin Basebrand: Erythromycin | 70 | 32 |
| Timolol Maleate | 70 | 26 |
| Cyclosporine | 48 | 13 |
| Ketorolac Tromethamine | 48 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$211 across 2 records (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
- 2010-04-28
- Last updated
- 2015-10-08
Frequently asked questions
- What is Ryan Vasan's NPI number?
- Ryan Vasan's National Provider Identifier (NPI) is 1548587645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Vasan's specialty?
- Ryan Vasan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Vasan located?
- Ryan Vasan's practice location on file with NPPES is 800 Huntington Ave, Boston, MA 02115-6303.
- What is Ryan Vasan's phone number?
- The practice phone number listed in the NPPES registry for Ryan Vasan is (617) 936-6100.
- Does Ryan Vasan accept Medicare?
- Ryan Vasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Vasan's NPI active?
- Yes — Ryan Vasan's NPI (1548587645) is active in the NPPES registry as of the last update on 2015-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.