Elizabeth Siderides, M.D.
NPI 1134203953 · Specialist · Stamford, CT
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Siderides, M.D. is a Specialist provider in Stamford, CT (NPI 1134203953).
Provider details
- NPI number
- 1134203953
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 030718 (CT)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,673 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 | 741 | $133 |
| Established Patient Problem Focused Exam of Visual System92012 | 463 | $94 |
| Imaging of Optic Nerve92133 | 463 | $38 |
| Exam of the Internal Drainage System of Eye92020 | 381 | $29 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 358 | $134 |
| Imaging of Retina92134 | 294 | $43 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 346 | 85 |
| Timolol Maleate | 235 | 71 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 205 | 68 |
| Moxifloxacin Hclbrand: Moxifloxacin | 180 | 111 |
| Ketorolac Tromethamine | 176 | 100 |
| Prednisolone Acetate | 170 | 98 |
| Brimonidine Tartrate | 113 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$500 across 24 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
- 2006-10-25
- Last updated
- 2010-09-22
Frequently asked questions
- What is Elizabeth Siderides's NPI number?
- Elizabeth Siderides's National Provider Identifier (NPI) is 1134203953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Siderides's specialty?
- Elizabeth Siderides is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Elizabeth Siderides located?
- Elizabeth Siderides's practice location on file with NPPES is 1351 Washington Blvd Ste 101, Stamford, CT 06902-2419.
- What is Elizabeth Siderides's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Siderides is (203) 325-0805.
- Does Elizabeth Siderides accept Medicare?
- Elizabeth Siderides is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Siderides's NPI active?
- Yes — Elizabeth Siderides's NPI (1134203953) is active in the NPPES registry as of the last update on 2010-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.