Frederick E. Caston, M.D.
Family Medicine Physician · Stony Brook, NY
Frederick E. Caston, M.D. is a family medicine physician with a practice address in Stony Brook, New York, and NPI 1598856189, issued on Sep 27, 2006. Check the license (New York 204485, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Frederick E. Caston
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 204485 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7 Alicia CT, Stony Brook, NY 11790
- Phone
- (631) 689-1370
- Enumerated
- Sep 27, 2006
- Record last updated
- Oct 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100505000986); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Verify Frederick E. Caston 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 204485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
63 Medicare Part D claims for 43 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
One hospital affiliation
- Barnes-Kasson County HospitalSusquehanna, PA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Frederick E. Caston among 6,417 family medicine physician records in New York
Frederick E. Caston, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1995 · median 2007 among the 4,188 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Stony Brook
They are 27 of the 3,053 NPPES records with a practice address in Stony Brook, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Stony Brook → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Barbara Boccia, M.D.Stony Brook, NY 117901679545032
- Martin Ehrlich, MDStony Brook, NY 117901255304531
- Michael Fishkin, DOStony Brook, NY 117901194798454
- Vincent Geraci, DOStony Brook, NY 117901699783548
- Raja Jaber, M.D.Stony Brook, NY 117901417999764
- Fangqin Li, MDStony Brook, NY 117901427198076
- Xin Fu Lin, D.O.Stony Brook, NY 117901306266952
- Marisa Massaro, NPStony Brook, NY 117901891217774
Common questions
What is Frederick E. Caston, M.D.'s NPI number?
Frederick E. Caston, M.D.'s National Provider Identifier (NPI) is 1598856189, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick E. Caston, M.D. located?
The NPPES record lists a practice address at 7 Alicia CT, Stony Brook, NY, 11790. Phone: (631) 689-1370. Providers update this record themselves, so call before visiting.
How can I verify Frederick E. Caston, M.D.'s license?
NPPES lists New York license number 204485, 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 Frederick E. Caston, M.D. prescribe under Medicare Part D?
In 2024, Frederick E. Caston, M.D. had 63 Medicare Part D claims for 43 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.