Rajeev Santiago Fernando, M.D
Infectious Disease Physician · Southampton, NY
Rajeev Santiago Fernando, M.D is an infectious disease physician with a practice address in Southampton, New York, and NPI 1659508570, issued on Jun 18, 2009. Check the license (New York 255938, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Rajeev Santiago Fernando
- Credential
- M.D
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 255938 NY
Self-reported in NPPES; status is on the state search - Practice location
- 325 Meeting House LN, Southampton, NY 11968
- Phone
- (631) 283-4048
- Enumerated
- Jun 18, 2009
- Record last updated
- Nov 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (631) 283-5396
- Medicare enrollment
- Enrolled (PECOS I20251208001662); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 325 Meeting House LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thelma Gaetano, M.D.Pediatrics Physician1730325721
- Paul Garson, M.D.Psychiatry Physician1124034392
Verify Rajeev Santiago Fernando 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 255938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average infectious disease physician in 2024
125 Medicare Part D claims for 27 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Ceftriaxone48 claims
- Cefazolin Sodium20 claims
- Ertapenem16 claims
- Vancomycin Hcl16 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.
Bills Medicare through one group practice
- Babak Hooshmand MD PLLCLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rajeev Santiago Fernando among 970 infectious disease physician records in New York
Rajeev Santiago Fernando, M.D is one of 970 infectious disease physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2001 · median 2002 among the 624 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in Southampton → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Sammy Nakhla, M.D.Southampton, NY 119681144418799
- Eric Sin, M.D.Southampton, NY 119681750708749
- Michael Huang, M.D.Riverhead, NY 119011437346129
- Gary Rosenbaum, MDRiverhead, NY 119011437261385
- Aleena ZahraRiverhead, NY 119011508398348
- Daniel Griffin, M.D.Plainview, NY 118031831125640
- Irwin Ingwer, M.DPlainview, NY 118031356386239
- Ronald Lenefsky, MDWest Islip, NY 117951588663546
Common questions
What is Rajeev Santiago Fernando, M.D's NPI number?
Rajeev Santiago Fernando, M.D's National Provider Identifier (NPI) is 1659508570, issued on Jun 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rajeev Santiago Fernando, M.D located?
The NPPES record lists a practice address at 325 Meeting House LN, Southampton, NY, 11968. Phone: (631) 283-4048. Providers update this record themselves, so call before visiting.
How can I verify Rajeev Santiago Fernando, M.D's license?
NPPES lists New York license number 255938, 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 Rajeev Santiago Fernando, M.D prescribe under Medicare Part D?
In 2024, Rajeev Santiago Fernando, M.D had 125 Medicare Part D claims for 27 beneficiaries; the average among infectious disease physician prescribers was 689. 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.