Robert S. Castroll, MD
Psychiatry Physician · Smithtown, NY
Robert S. Castroll, MD is a psychiatry physician with a practice address in Smithtown, New York, and NPI 1407929003, issued on Nov 15, 2006. Check the license (New York 147428, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert S. Castroll
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 147428 NY
Self-reported in NPPES; status is on the state search - Practice location
- 222 Middle Country RD, Smithtown, NY 11787
- Phone
- (631) 265-6868
- Enumerated
- Nov 15, 2006
- Record last updated
- Jan 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (631) 265-6890
- Medicaid ID
- 00870553 NY
- Medicare enrollment
- Enrolled (PECOS I20111228000339); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 222 Middle Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seymour Alter, M.D.Specialist1750336251
- Michael DamicoDentist1134492945
- Joan Didonato, LCSWClinical Social Worker1093780892
- Shelley Epstein, MDPsychiatry Physician1255407987
- Kimberly Gilani, ANP-CAdult Health Nurse Practitioner1699257071
- Johanna Petrycki, P.A.Medical Physician Assistant1154513117
Verify Robert S. Castroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 147428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average psychiatry physician in 2024
3,722 Medicare Part D claims for 338 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Alprazolam410 claims
- Clonazepam349 claims
- Escitalopram Oxalate198 claims
- Fluoxetine Hcl196 claims
- Zolpidem Tartrate159 claims
- Bupropion Xl145 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): 0 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).
Industry payments in 2024: $2,759.31
133 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 13,693 providers of this specialty with any payment received $4,954.93 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
- North Shore Psychiatric Consultants PCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
22 psychiatry physician records list a practice address in Smithtown
They are 22 of the 1,907 NPPES records with a practice address in Smithtown, and 6,589 psychiatry physician records in New York.
All 22 in Smithtown → All 6,589 in New York → Every provider in Smithtown →
Other psychiatry physician records in New York
- Muhammad AadilBronx, NY1366928947
- Geetha Aakalu, M.D.Monticello, NY1770628661
- Harry Aaron, M.D.New York, NY1821116187
- Lisa Aaron, MDPeekskill, NY1316097934
- Shelley AaronsNew York, NY1770883258
- James Abanishe, M.DNew New, NY1992053573
- Benjamin Abastillas, M.D.Hyde Park, NY1750439832
- Tessie AbastillasMarcy, NY1801098496
- Ashraf Abaza, M.D.New York, NY1831105246
- Israr Abbasi, MDLakewood, NY1518925437
Common questions
What is Robert S. Castroll, MD's NPI number?
Robert S. Castroll, MD's National Provider Identifier (NPI) is 1407929003, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Castroll, MD located?
The NPPES record lists a practice address at 222 Middle Country RD, Smithtown, NY, 11787. Phone: (631) 265-6868. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Castroll, MD's license?
NPPES lists New York license number 147428, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert S. Castroll, MD prescribe under Medicare Part D?
In 2024, Robert S. Castroll, MD had 3,722 Medicare Part D claims for 338 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Robert S. Castroll, MD's MIPS final score?
The 2023 MIPS final score is 0 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.