Frank Castaldi, DO
NPI 1043396302 · Optometrist · Stamford, CT
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Castaldi, DO is a Optometrist provider in Stamford, CT (NPI 1043396302).
Provider details
- NPI number
- 1043396302
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1074 (CT)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
605 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 129 | $140 |
| Established Patient Complete Exam of Visual System92014 | 122 | $138 |
| Photography of the Retina92250 | 95 | $41 |
| Exam of Visual Field With Extended Testing92083 | 65 | $67 |
| Imaging of Optic Nerve92133 | 64 | $36 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 40 | $184 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bimatoprostbrand: Lumigan | 194 | 69 |
| Latanoprost | 129 | 42 |
| Cyclosporinebrand: Restasis | 53 | 22 |
| Latanoprostene Bunodbrand: Vyzulta | 50 | 14 |
| Travoprost | 44 | 13 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 43 | 14 |
| Timolol Maleate | 40 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-30
- Last updated
- 2010-09-27
Frequently asked questions
- What is Frank Castaldi's NPI number?
- Frank Castaldi's National Provider Identifier (NPI) is 1043396302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Castaldi's specialty?
- Frank Castaldi is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Frank Castaldi located?
- Frank Castaldi's practice location on file with NPPES is 0ne Bank Street, Stamford, CT 06901-3006.
- What is Frank Castaldi's phone number?
- The practice phone number listed in the NPPES registry for Frank Castaldi is (203) 324-1606.
- Does Frank Castaldi accept Medicare?
- Frank Castaldi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Castaldi's NPI active?
- Yes — Frank Castaldi's NPI (1043396302) is active in the NPPES registry as of the last update on 2010-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.