Sylvia Yoo
NPI 1861689770 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Yoo is a Ophthalmology Physician provider in Boston, MA (NPI 1861689770).
Provider details
- NPI number
- 1861689770
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- A104988 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
305 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) |
|---|---|---|
| Exam to Measure Eye Deviation and Range of Motion92060 | 123 | $71 |
| Established Patient Complete Exam of Visual System92014 | 66 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $99 |
| Exam to Measure Eye Deviation and Range of Motion92060 | 35 | $39 |
| Established Patient Complete Exam of Visual System92014 | 17 | $80 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 12 | $69 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 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
- 2007-09-25
- Last updated
- 2014-10-15
Frequently asked questions
- What is Sylvia Yoo's NPI number?
- Sylvia Yoo's National Provider Identifier (NPI) is 1861689770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Yoo's specialty?
- Sylvia Yoo is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Yoo located?
- Sylvia Yoo's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Sylvia Yoo's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Yoo is (617) 636-6769.
- Does Sylvia Yoo accept Medicare?
- Sylvia Yoo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Yoo's NPI active?
- Yes — Sylvia Yoo's NPI (1861689770) is active in the NPPES registry as of the last update on 2014-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.