NPPES file of Aug 9, 2026

Subhash R. Viswanathan, M.D.

Emergency Medicine Physician · Jericho, NY

Subhash R. Viswanathan, M.D. is an emergency medicine physician with a practice address in Jericho, New York, and NPI 1508866542, issued on Jul 29, 2005. Check the license (New York 248884, 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
1508866542
Name
Subhash R. Viswanathan
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
248884 NY
C149731 CA
25MA07825900 NJ
Self-reported in NPPES; status is on the state search
Practice location
555 N Broadway, Jericho, NY 11753
Phone
(516) 597-5070
Enumerated
Jul 29, 2005
Record last updated
Mar 8, 2024
Fax
(516) 597-5067
Medicaid ID
0053783 NJ
Medicare enrollment
Enrolled (PECOS I20171117002945); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 1994
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 555 N Broadway

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

  1. Kevin Patel, PHYSICIAN ASSISTANTPhysician Assistant1205302593
  2. Sarah Van BruntPhysician Assistant1073026217

Verify Subhash R. Viswanathan 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 248884
    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

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2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024

559 Medicare Part D claims for 424 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 90 claims were for opioids.

  1. Subhash Viswanathan559
  2. Specialty average226

Most prescribed

  1. Cefdinir49 claims
  2. Tramadol Hcl48 claims
  3. Naproxen46 claims
  4. Cephalexin44 claims
  5. Hydrocodone-Acetaminophen40 claims
  6. Azithromycin34 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.

Industry payments in 2024: $24.53

1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Subhash Viswanathan$24.53
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. EM Alliance California ApcWildomar, CA
  2. Ignite Emergency Physicians A Medical CorporationVictorville, CA
  3. Seven Star Hospital Associates IncHemet, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

4 emergency medicine physician records list a practice address in Jericho

They are 4 of the 356 NPPES records with a practice address in Jericho, and 5,025 emergency medicine physician records in New York.

Other emergency medicine physician records in New York

  1. Matthew Abad, D.O.Bronx, NY1629490693
  2. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  3. Nabil AbazaidNew York, NY1578025979
  4. Ethan Abbott, DOBronx, NY1619252202
  5. Frederick Abbuhl, MDAlbany, NY1831138882
  6. Minako Abe, MDNew York, NY1578635249
  7. Benjamin Abella, MDNew York, NY1568560746
  8. Gilbert Abou Dagher, M.DNew York, NY1275743700
  9. Gallane Abraham, MDBronx, NY1275859696
  10. Joel Abraham, D.O.New Hyde Park, NY1578815437

Common questions

What is Subhash R. Viswanathan, M.D.'s NPI number?

Subhash R. Viswanathan, M.D.'s National Provider Identifier (NPI) is 1508866542, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Subhash R. Viswanathan, M.D. located?

The NPPES record lists a practice address at 555 N Broadway, Jericho, NY, 11753. Phone: (516) 597-5070. Providers update this record themselves, so call before visiting.

How can I verify Subhash R. Viswanathan, M.D.'s license?

NPPES lists New York license number 248884, 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 Subhash R. Viswanathan, M.D. prescribe under Medicare Part D?

In 2024, Subhash R. Viswanathan, M.D. had 559 Medicare Part D claims for 424 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.