Nicholas A. Castellano, OD
Optometrist · Saint Louis, MO
Nicholas A. Castellano, OD is an optometrist with a practice address in Saint Louis, Missouri, and NPI 1669821062, issued on Jun 7, 2016. Check the license (Missouri 2016017805, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicholas A. Castellano
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2016017805 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2511 S Brentwood Blvd, Saint Louis, MO 63144
- Phone
- (314) 863-0000
- Enumerated
- Jun 7, 2016
- Record last updated
- Jun 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (314) 961-1041
- Medicare enrollment
- Enrolled (PECOS I20160616000577); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 2016
- Entity
- Type 1 · individual
Also registered at 2511 S Brentwood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carmen Castellano, O.D.Optometrist1710015748
- Joseph Castellano, ODOptometrist1427344423
- Craig Sorce, O.D.Optometrist1861520819
Verify Nicholas A. Castellano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2016017805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average optometrist in 2024
614 Medicare Part D claims for 234 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Latanoprost175 claims
- Timolol Maleate87 claims
- Prednisolone Acetate69 claims
- Brimonidine Tartrate-Timolol55 claims
- Tobramycin-Dexamethasone30 claims
- Travoprost21 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.
Industry payments in 2024: $370.84
17 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Koetting Associates IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in Missouri
There are 1,242 optometrist records in Missouri.
Other optometrist records in Missouri
- Barbara Aalbers, ODSaint Louis, MO1366421158
- Fyizza AbbasOverland, MO1386053254
- Carl Abbott, ODMexico, MO1184605719
- Meghan Adamczak, O.D.Independence, MO1255711859
- Amanda Adkisson, ODSaint Louis, MO1275150906
- Cathryn Ahearn, ODHannibal, MO1881606200
- Ashley Ahlbrand, ODSaint Louis, MO1215669007
- David Albert, O.D.Potosi, MO1922123298
- M Aldrich, ODSaint Joseph, MO1023050911
- Tiffany Aldridge Rhine, ODDes Peres, MO1144116930
Common questions
What is Nicholas A. Castellano, OD's NPI number?
Nicholas A. Castellano, OD's National Provider Identifier (NPI) is 1669821062, issued on Jun 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas A. Castellano, OD located?
The NPPES record lists a practice address at 2511 S Brentwood Blvd, Saint Louis, MO, 63144. Phone: (314) 863-0000. Providers update this record themselves, so call before visiting.
How can I verify Nicholas A. Castellano, OD's license?
NPPES lists Missouri license number 2016017805, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Nicholas A. Castellano, OD prescribe under Medicare Part D?
In 2024, Nicholas A. Castellano, OD had 614 Medicare Part D claims for 234 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
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.