NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659508570
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 325 Meeting House LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christine BrennanPhysical Therapist1043371081
  2. Julie CodringtonDental Hygienist1245181486
  3. Candace Cummings, M.D.Internal Medicine Physician1336252782
  4. Gregory Davis, DMDPeriodontics1528191400
  5. Thelma Gaetano, M.D.Pediatrics Physician1730325721
  6. Paul Garson, M.D.Psychiatry Physician1124034392

Verify Rajeev Santiago Fernando in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 255938
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Rajeev Fernando125
  2. Specialty average689

Most prescribed

  1. Ceftriaxone48 claims
  2. Cefazolin Sodium20 claims
  3. Ertapenem16 claims
  4. 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

  1. 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.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Sammy Nakhla, M.D.Southampton, NY 119681144418799
  2. Eric Sin, M.D.Southampton, NY 119681750708749
  3. Michael Huang, M.D.Riverhead, NY 119011437346129
  4. Gary Rosenbaum, MDRiverhead, NY 119011437261385
  5. Aleena ZahraRiverhead, NY 119011508398348
  6. Daniel Griffin, M.D.Plainview, NY 118031831125640
  7. Irwin Ingwer, M.DPlainview, NY 118031356386239
  8. 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.