DR. FRANK PAUL CASTALDI DO
NPI 1043396302
Optometrist in Stamford, CT
About Dr. Frank Paul Castaldi Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANK PAUL CASTALDI DO (NPI 1043396302) is an individual optometrist in Stamford, Connecticut, licensed in Connecticut (1074) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through April 1, 2027, and is a graduate of Pennsylvania College Of Optometry (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Frank Paul Castaldi Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 07D2056674
Dr Frank Castaldi · Stamford, CTAreas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06902 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Frank Castaldi's NPI number?
The NPI number for Frank Castaldi is 1043396302. It was assigned to this individual provider in the NPPES registry on October 30, 2006.
Where is Frank Castaldi located?
Frank Castaldi practices at 1351 Washington Blvd Ste 601A, Stamford, CT 06902. The listed phone number is (203) 324-1606.
What is Frank Castaldi's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Frank Castaldi enrolled in Medicare?
Yes. Frank Castaldi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Does Frank Castaldi hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 07D2056674) is associated with this NPI, valid through April 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Frank Castaldi accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Frank Castaldi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Frank Castaldi was last updated on August 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Frank Paul Castaldi, DO · NPI 1043396302
Optometrist provider in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since October 30, 2006.
## Identity
- **NPI:** 1043396302 (Entity type: Individual)
- **Enumerated:** October 30, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 1074 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1351 WASHINGTON BLVD STE 601A, Stamford, CT 06902-2450
- **Phone:** (203) 324-1606 · **Fax:** (203) 324-4357
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Medical school:** Pennsylvania College Of Optometry, class of 1984
## Record status
- **NPPES last updated:** August 15, 2026
- **Other identifiers:** Other 090001074CT01 (CT); Medicaid 004068409 (CT); Other 7359876831 (CT)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1043396302) · Data from the CMS NPPES public registry.