NPPES file of Aug 9, 2026

Seema Niphadkar Sethi, DO

Hematology & Oncology Physician · Willow Grove, PA

Seema Niphadkar Sethi, DO is a hematology & oncology physician with a practice address in Willow Grove, Pennsylvania, and NPI 1841559416, issued on May 16, 2012. Check the license (Pennsylvania OS019487, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1841559416
Name
Seema Niphadkar Sethi
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
OS019487 PA
Self-reported in NPPES; status is on the state search
Practice location
3941 Commerce Ave, Willow Grove, PA 19090
Phone
(215) 481-4000
Enumerated
May 16, 2012
Record last updated
Sep 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(215) 481-7438
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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8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →

Also registered at 3941 Commerce Ave

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

  1. Marina Antinozzi, AGPCNP-BCAdult Health Nurse Practitioner1467846691
  2. Robert Arnold, LSWClinical Social Worker1801811328
  3. Gail BeidlerClinical Social Worker1659393148
  4. Tommy Buchanan, M.D.Gynecologic Oncology Physician1982992095
  5. Elizabeth BurtonGynecologic Oncology Physician1124352315
  6. Nicholas Cardillo, M.D.Gynecologic Oncology Physician1841684131

Verify Seema Niphadkar Sethi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS019487    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 Pennsylvania 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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Seema Niphadkar Sethi among 784 hematology & oncology physician records in Pennsylvania

Seema Niphadkar Sethi, DO is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 70% of them.

  • NPI issued2012 · 70% of these records are older, 28% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2018 · 60% 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 Pennsylvania 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 Pennsylvania

There are 784 hematology & oncology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 784 in Pennsylvania → Every provider in Willow Grove → Hematology & Oncology Physician nationwide →

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

  1. Kevin Hou, M.D.Willow Grove, PA 190901316327885
  2. Robert Maxwell, M.D.Willow Grove, PA 190901083624126
  3. Zonera Ali, MDWynnewood, PA 190961306852728
  4. Kathleen Degen, M.D.Wynnewood, PA 190961679952493
  5. Arezoo Ghaneie, MDWynnewood, PA 190961790853497
  6. Paul Gilman, MDWynnewood, PA 190961215943634
  7. David Harris, MDWynnewood, PA 190961871584169
  8. Tamer Khashab, M.D.Wynnewood, PA 190961336502723

Common questions

What is Seema Niphadkar Sethi, DO's NPI number?

Seema Niphadkar Sethi, DO's National Provider Identifier (NPI) is 1841559416, issued on May 16, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Seema Niphadkar Sethi, DO located?

The NPPES record lists a practice address at 3941 Commerce Ave, Willow Grove, PA, 19090. Phone: (215) 481-4000. Providers update this record themselves, so call before visiting.

How can I verify Seema Niphadkar Sethi, DO's license?

NPPES lists Pennsylvania license number OS019487, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.