NPPES file of Aug 9, 2026

Siddhartha Thammineni Reddy, MD

Hematology & Oncology Physician · Hackensack, NJ

Siddhartha Thammineni Reddy, MD is a hematology & oncology physician with a practice address in Hackensack, New Jersey, and NPI 1902151624, issued on Jul 18, 2012. Check the license (New Jersey 25MA12399100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1902151624
Name
Siddhartha Thammineni Reddy
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
25MA12399100 NJ
Self-reported in NPPES; status is on the state search
Practice location
92 2ND St, Hackensack, NJ 07601
Phone
(551) 996-5900
Enumerated
Jul 18, 2012
Record last updated
Nov 21, 2024
Medicare enrollment
Enrolled (PECOS I20250108002810); accepts Medicare assignment
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 92 2ND St

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

  1. Maher AlbitarAnatomic Pathology & Clinical Pathology Physician1063593473
  2. Robert Alter, MDMedical Oncology Physician1306805460
  3. Nicole AraujoNurse Practitioner1740015163
  4. Melissa Baker, APN-BCAdult Health Nurse Practitioner1649439993
  5. Stephanie Baum, APNGerontology Nurse Practitioner1609540335
  6. Coleen Bejot, APNAdult Health Nurse Practitioner1790277424

Verify Siddhartha Thammineni Reddy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA12399100
    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 Jersey 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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Industry payments in 2024: $82.88

4 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Siddhartha Reddy$82.88
  2. Specialty average$7,481.41

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

Bills Medicare through one group practice

  1. Regional Cancer Care Associates LLCHackensack, NJ

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

Siddhartha Thammineni Reddy among 399 hematology & oncology physician records in New Jersey

Siddhartha Thammineni Reddy, MD is one of 399 hematology & oncology physician records with a practice address in New Jersey. 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 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2009 · median 2002 among the 294 with a school on file
  • Record last updated2024 · 59% 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 New Jersey 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 New Jersey

There are 399 hematology & oncology physician records in New Jersey.

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

  1. Christina Cho, MDHackensack, NJ 076011457650814
  2. Stefan Faderl, M.D.Hackensack, NJ 076011689770844
  3. Joseph Franz, MDHackensack, NJ 076011255864690
  4. Miguel Gonzalez Velez, MDHackensack, NJ 076011740664515
  5. Shilpa Joseph, MDHackensack, NJ 076011205414901
  6. Danielle Marcotulli, APNHackensack, NJ 076011407220114
  7. Joanna Mohney, AGPCNP-BCHackensack, NJ 076011043814411
  8. Kelley Mowatt-Pesce, DOHackensack, NJ 076011841731049

Common questions

What is Siddhartha Thammineni Reddy, MD's NPI number?

Siddhartha Thammineni Reddy, MD's National Provider Identifier (NPI) is 1902151624, issued on Jul 18, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Siddhartha Thammineni Reddy, MD located?

The NPPES record lists a practice address at 92 2ND St, Hackensack, NJ, 07601. Phone: (551) 996-5900. Providers update this record themselves, so call before visiting.

How can I verify Siddhartha Thammineni Reddy, MD's license?

NPPES lists New Jersey license number 25MA12399100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. 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. 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.