Charles Calenda, M.D.
NPI 1275557720 · Ophthalmology Physician · Warwick, RI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Calenda, M.D. is a Ophthalmology Physician provider in Warwick, RI (NPI 1275557720).
Provider details
- NPI number
- 1275557720
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD0605 (RI)
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
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
1,866 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 | 742 | $120 |
| Photography of the Retina92250 | 690 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $86 |
| Exam of Visual Field With Extended Testing92083 | 66 | $60 |
| 2d Ultrasound Scan of Eye Tissue and Structures76512 | 39 | $45 |
| Established Patient Problem Focused Exam of Visual System92012 | 35 | $84 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 583 | 130 |
| Timolol Maleate | 156 | 43 |
| Bimatoprostbrand: Lumigan | 146 | 36 |
| Ketorolac Tromethamine | 140 | 100 |
| Ofloxacin | 130 | 101 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 123 | 83 |
| Brimonidine Tartrate | 103 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$189 across 5 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
- 2006-07-27
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is Charles Calenda's NPI number?
- Charles Calenda's National Provider Identifier (NPI) is 1275557720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Calenda's specialty?
- Charles Calenda is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Calenda located?
- Charles Calenda's practice location on file with NPPES is 404 Toll Gate Rd, Warwick, RI 02886-4317.
- What is Charles Calenda's phone number?
- The practice phone number listed in the NPPES registry for Charles Calenda is (401) 737-2200.
- Does Charles Calenda accept Medicare?
- Charles Calenda is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Calenda's NPI active?
- Yes — Charles Calenda's NPI (1275557720) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.