Portia Sirinek, M.D.
NPI 1518321942 · Ophthalmology Physician · Chestnut Hill, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Portia Sirinek, M.D. is a Ophthalmology Physician provider in Chestnut Hill, MA (NPI 1518321942).
Provider details
- NPI number
- 1518321942
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 338433 (NY)
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
10 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
1,827 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 | 306 | $99 |
| Imaging of Optic Nerve92133 | 300 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 261 | $140 |
| Exam of Visual Field With Extended Testing92083 | 227 | $71 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 172 | $17 |
| Established Patient Complete Exam of Visual System92014 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,178 | 415 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 492 | 178 |
| Brimonidine Tartrate | 438 | 165 |
| Prednisolone Acetate | 420 | 193 |
| Timolol Maleate | 376 | 144 |
| Dorzolamide Hcl | 239 | 83 |
| Ofloxacin | 180 | 117 |
| Netarsudil Mesylatebrand: Rhopressa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$97 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
- 2016-04-12
- Last updated
- 2025-10-04
- Certified
- 2025-10-04
Frequently asked questions
- What is Portia Sirinek's NPI number?
- Portia Sirinek's National Provider Identifier (NPI) is 1518321942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Portia Sirinek's specialty?
- Portia Sirinek is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Portia Sirinek located?
- Portia Sirinek's practice location on file with NPPES is 291 Independence Dr, Chestnut Hill, MA 02467-3628.
- What is Portia Sirinek's phone number?
- The practice phone number listed in the NPPES registry for Portia Sirinek is (617) 541-6375.
- Does Portia Sirinek accept Medicare?
- Portia Sirinek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Portia Sirinek's NPI active?
- Yes — Portia Sirinek's NPI (1518321942) is active in the NPPES registry as of the last update on 2025-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.