Marie E. Castillo-Alcasid, M.D.
Internal Medicine Physician · Fulton, NY
Marie E. Castillo-Alcasid, M.D. is an internal medicine physician with a practice address in Fulton, New York, and NPI 1124135025, issued on Aug 24, 2006. Check the license (New York 237698, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Marie E. Castillo-Alcasid
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 237698 NY
Self-reported in NPPES; status is on the state search - Practice location
- 522 S 4TH St, Fulton, NY 13069
- Phone
- (315) 598-4740
- Enumerated
- Aug 24, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (315) 598-4719
- Medicare enrollment
- Enrolled (PECOS I20051221000398); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 522 S 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tyanna Bergeron, NPNurse Practitioner1891257630
- Heidi Czajkowski, PAMedical Physician Assistant1972830511
- Marie-Jeanne Desravines, M.D.Family Medicine Physician1285741199
- Samantha Goutermout, NPNurse Practitioner1114657228
- Susan Krzyzak, N.P.Family Nurse Practitioner1558479204
- Kylie Lacey, N.P.Family Nurse Practitioner1346358082
Verify Marie E. Castillo-Alcasid 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 237698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
417 Medicare Part D claims for 124 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Prednisone28 claims
- Albuterol Sulfate Hfa24 claims
- Famotidine24 claims
- Doxycycline Hyclate22 claims
- Cefuroxime19 claims
- Cefdinir18 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.
One hospital affiliation
- Oswego HospitalOswego, NY · Acute Care Hospitals3 of 5 stars
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). Star ratings are CMS hospital ratings, not ratings of this provider.
Marie E. Castillo-Alcasid among 12,067 internal medicine physician records in New York
Marie E. Castillo-Alcasid, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1990 · median 2002 among the 7,221 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Fulton
They are 6 of the 332 NPPES records with a practice address in Fulton, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Fulton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Ahmed, M.D.Fulton, NY 130691639178189
- Alicia Bair, MDFulton, NY 130691750376372
- Yves Lafond, M.D.Fulton, NY 130691164467031
- Angelo Porcari, M.D.Fulton, NY 130691427055789
- Rajeev Saini, M.D.Fulton, NY 130691447259403
- Mary Allen, M.D.Fayetteville, NY 130661174831002
- Vadjista Broumand, MDFayetteville, NY 130661376537308
- Daniel Harris, M.D.Fayetteville, NY 130661497093900
Common questions
What is Marie E. Castillo-Alcasid, M.D.'s NPI number?
Marie E. Castillo-Alcasid, M.D.'s National Provider Identifier (NPI) is 1124135025, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marie E. Castillo-Alcasid, M.D. located?
The NPPES record lists a practice address at 522 S 4TH St, Fulton, NY, 13069. Phone: (315) 598-4740. Providers update this record themselves, so call before visiting.
How can I verify Marie E. Castillo-Alcasid, M.D.'s license?
NPPES lists New York license number 237698, 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 Marie E. Castillo-Alcasid, M.D. prescribe under Medicare Part D?
In 2024, Marie E. Castillo-Alcasid, M.D. had 417 Medicare Part D claims for 124 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.