Frank Paul Castaldi, DO
Optometrist · Stamford, CT
Frank Paul Castaldi, DO is an optometrist with a practice address in Stamford, Connecticut, and NPI 1043396302, issued on Oct 30, 2006. Check the license (Connecticut 1074, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Frank Paul Castaldi
- Credential
- DO
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1074 CT
Self-reported in NPPES; status is on the state search - Practice location
- 0NE Bank Street, Stamford, CT 06901
- Phone
- (203) 324-1606
- Enumerated
- Oct 30, 2006
- Record last updated
- Sep 27, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (203) 324-4357
- Medicaid ID
- 004068409 CT
- Medicare enrollment
- Enrolled (PECOS I20110712000661); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1984
- Entity
- Type 1 · individual
8 nearest optometrist records → All 675 in Connecticut → Look up another NPI →
Verify Frank Paul Castaldi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 1074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average optometrist in 2024
787 Medicare Part D claims for 211 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Lumigan194 claims
- Latanoprost129 claims
- Restasis53 claims
- Vyzulta50 claims
- Travoprost44 claims
- Brimonidine Tartrate-Timolol43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Frank Paul Castaldi among 675 optometrist records in Connecticut
Frank Paul Castaldi, DO is one of 675 optometrist records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1984 · median 2008 among the 447 with a school on file
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Connecticut
There are 675 optometrist records in Connecticut.
All 675 in Connecticut → Every provider in Stamford → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kenneth Blum, ODStamford, CT 069011386741809
- Lauren ChamberlinStamford, CT 069011366283905
- Sam Eisner, O.D.Stamford, CT 069011619003431
- Betty LiaoStamford, CT 069011316225006
- Fredric Smilen, O.D.Stamford, CT 069011063555316
- Elizabeth Hofmann, ODStamford, CT 069021497231187
- Maria Pribis, O.D.Stamford, CT 069021124252507
- Justin Rapp, O.D.Stamford, CT 069021992085179
Common questions
What is Frank Paul Castaldi, DO's NPI number?
Frank Paul Castaldi, DO's National Provider Identifier (NPI) is 1043396302, issued on Oct 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frank Paul Castaldi, DO located?
The NPPES record lists a practice address at 0NE Bank Street, Stamford, CT, 06901. Phone: (203) 324-1606. Providers update this record themselves, so call before visiting.
How can I verify Frank Paul Castaldi, DO's license?
NPPES lists Connecticut license number 1074, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Frank Paul Castaldi, DO prescribe under Medicare Part D?
In 2024, Frank Paul Castaldi, DO had 787 Medicare Part D claims for 211 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Frank Paul Castaldi, DO's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.