James Urbano Manalastas Santos, MD
Internal Medicine Physician · Riverhead, NY
James Urbano Manalastas Santos, MD is an internal medicine physician with a practice address in Riverhead, New York, and NPI 1427706662, issued on Mar 16, 2022. Check the license (New York 340297, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- James Urbano Manalastas Santos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 340297 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Heroes Way, Riverhead, NY 11901
- Phone
- (631) 548-6000
- Enumerated
- Mar 16, 2022
- Record last updated
- May 12, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 1 Heroes Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Urbano Manalastas Santos 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 340297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
209 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 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.
James Urbano Manalastas Santos among 12,067 internal medicine physician records in New York
James Urbano Manalastas Santos, MD 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 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).
16 internal medicine physician records list a practice address in Riverhead
They are 16 of the 982 NPPES records with a practice address in Riverhead, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Riverhead → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria AzimRiverhead, NY 119011750969895
- Afzal ButtRiverhead, NY 119011083653794
- Eugenio Crisostomo, M.D.Riverhead, NY 119011225099625
- Maureen Crowley, MD, MPHRiverhead, NY 119011346324209
- Michael Dempsey, M.D.Riverhead, NY 119011770508079
- Marie-Jose Dorval-Dorcely, M.DRiverhead, NY 119011093894446
- Michael Ghiassi, DORiverhead, NY 119011255950440
- Laura Gilmartin, M.D.Riverhead, NY 119011134296247
Common questions
What is James Urbano Manalastas Santos, MD's NPI number?
James Urbano Manalastas Santos, MD's National Provider Identifier (NPI) is 1427706662, issued on Mar 16, 2022. An NPI identifies a provider in billing; it is not a license.
Where is James Urbano Manalastas Santos, MD located?
The NPPES record lists a practice address at 1 Heroes Way, Riverhead, NY, 11901. Phone: (631) 548-6000. Providers update this record themselves, so call before visiting.
How can I verify James Urbano Manalastas Santos, MD's license?
NPPES lists New York license number 340297, 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 James Urbano Manalastas Santos, MD prescribe under Medicare Part D?
In 2024, James Urbano Manalastas Santos, MD had 209 Medicare Part D claims for 60 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.