NPPES file of Aug 9, 2026

Vaishnavi Singh

Hematology & Oncology Physician · Dover, DE

Vaishnavi Singh is a hematology & oncology physician with a practice address in Dover, Delaware, and NPI 1609511757, issued on May 3, 2022. Check the license (Delaware C7-0018814, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1609511757
Name
Vaishnavi Singh
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
C7-0018814 DE
Self-reported in NPPES; status is on the state search
Practice location
640 S State St, Dover, DE 19901
Phone
(302) 443-4746
Enumerated
May 3, 2022
Record last updated
Sep 3, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 640 S State St

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

  1. Kelly Abbrescia, DOEmergency Medicine Physician1992740625
  2. Sarah Abdallah, MDStudent in an Organized Health Care Education/Training Program1265374789
  3. Joseph Raphael Ablaza, M.D.Internal Medicine Physician1366892291
  4. Anastazia Acevedo, PA-CPhysician Assistant1831495282
  5. Aashish AcharyaInternal Medicine Physician1912523424
  6. Denita Adams, CRNACertified Registered Nurse Anesthetist1427233964

Verify Vaishnavi Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C7-0018814
    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 Delaware license search

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71% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

252 Medicare Part D claims for 54 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Vaishnavi Singh252
  2. Specialty average877

Most prescribed

  1. Amlodipine Besylate28 claims
  2. Atorvastatin Calcium18 claims
  3. Lisinopril13 claims
  4. Gabapentin11 claims
  5. Losartan Potassium11 claims
  6. Pantoprazole Sodium11 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.

Vaishnavi Singh among 31 hematology & oncology physician records in Delaware

Vaishnavi Singh is one of 31 hematology & oncology physician records with a practice address in Delaware. 84% 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 84% of them.

  • NPI issued2022 · 84% of these records are older, 6% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Delaware

There are 31 hematology & oncology physician records in Delaware.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Faiqa Amin, M.DDover, DE 199011851082275
  2. Sumukh Arun Kumar, MDDover, DE 199011003487323
  3. Kathrina Chua, M.D.Dover, DE 199011093770406
  4. Mumta EssaraniDover, DE 199011811692650
  5. Rabia Iqbal, M.DDover, DE 199011528705605
  6. Hyeon Jeong Park, DODover, DE 199011033790522
  7. Lamberto Arellano, MDDover, DE 199041578566170
  8. Srihari Peri, M.D.Lewes, DE 199581568527828

Common questions

What is Vaishnavi Singh's NPI number?

Vaishnavi Singh's National Provider Identifier (NPI) is 1609511757, issued on May 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Vaishnavi Singh located?

The NPPES record lists a practice address at 640 S State St, Dover, DE, 19901. Phone: (302) 443-4746. Providers update this record themselves, so call before visiting.

How can I verify Vaishnavi Singh's license?

NPPES lists Delaware license number C7-0018814, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vaishnavi Singh prescribe under Medicare Part D?

In 2024, Vaishnavi Singh had 252 Medicare Part D claims for 54 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.