Dr. Siddhartha Thammineni Reddy, MD
- Medicare services, 2020
- 362
- Part D claims, 2021
- 17
- Hospital affiliations
- 2
- Industry payments
- $4,560
- Medical group
- 1
- Practice address
- 30 Prospect Ave, Hackensack, NJ 07601
- Practice phone
- Call (551) 996-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Reddy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Siddhartha Thammineni Reddy is a hematologist and oncologist in Hackensack, New Jersey
Dr. Reddy practices at Hackensack University Medical Center in Hackensack, New Jersey, part of Hackensack Meridian Health.
Dr. Reddy's NPI, 1902151624, was assigned on July 18, 2012. Dr. Reddy holds New Jersey license 25MA12399100.
- NPI
- 1902151624NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577879220
- NPI enumeration date
- July 18, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (551) 996-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siddhartha Thammineni Reddy practices at Hackensack University Medical Center in Hackensack, New Jersey
Dr. Reddy's primary practice is Hackensack University Medical Center, at 30 Prospect Ave, Hackensack, NJ 07601 in Bergen County. The practice phone is (551) 996-2000.
- Hackensack University Medical Center30 Prospect Ave, Hackensack, NJ 07601 · Bergen CountyPhone(551) 996-2000
Source: Dmand AI Affiliation Data
Dr. Siddhartha Thammineni Reddy is affiliated with 3 sites of care and 1 medical group
Dr. Reddy's primary practice is Hackensack University Medical Center in Hackensack, New Jersey, part of Hackensack Meridian Health. Dr. Reddy is also affiliated with Jersey Shore University Medical Center. The medical group on file is Regional Cancer Care Associates. Dmand AI also links Dr. Reddy to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Siddhartha Thammineni Reddy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reddy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hackensack University Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hackensack Meridian Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Siddhartha Thammineni Reddy is one of 364 hematologists and oncologists in New Jersey
Hematology and oncology is Dr. Reddy's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Reddy is licensed in New Jersey.
Specialties and state licenses
- Hematology and oncology, New JerseyPrimary
Hematologists and oncologists near Dr. Reddy
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Siddhartha Thammineni Reddy billed Medicare for 362 services in 2020
CMS data shows 362 Medicare services from Dr. Reddy across 3 procedure codes in 2020. Medicare paid $35,999 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Reddy's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 7042020: 36249%
Dr. Reddy compared with the New Jersey median for hematologists and oncologists, 2020
- Dr. Reddy
- New Jersey median
- Medicare services
- 362vs 1,51576% below
- Part D claims
- 17vs 37896% below
Medians across 349 hematologists and oncologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Reddy's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Reddy and other hematologists and oncologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Siddhartha Thammineni Reddy's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Reddy's median patient age at 62, with 38% women.
Dr. Reddy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women38%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Siddhartha Thammineni Reddy wrote 17 Medicare Part D claims in 2021
In 2021, Dr. Reddy wrote 17 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $79 in total drug cost. In 2020, CMS named 24 claims across 1 drug.
Dr. Reddy's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 242021: 1729%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Siddhartha Thammineni Reddy takes part in Medicare
Dr. Reddy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Siddhartha Thammineni Reddy received $4,560 in industry payments from 2016 to 2025
CMS Open Payments shows 176 general payments to Dr. Reddy from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $682.
General payments to Dr. Reddy by program year, 2016 to 2025
General payments to Dr. Reddy by kind, 2016 to 2025
- Food and beverage$4,38496%
- Education$1764%
Companies that paid Dr. Reddy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Siddhartha Thammineni Reddy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Siddhartha Thammineni Reddy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Siddhartha Thammineni Reddy's NPI number?
Dr. Siddhartha Thammineni Reddy's NPI number is 1902151624. It was assigned on July 18, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Siddhartha Thammineni Reddy?
Dr. Siddhartha Thammineni Reddy is a hematologist and oncologist in Hackensack, New Jersey. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Siddhartha Thammineni Reddy practice?
Dr. Reddy practices at 30 Prospect Ave, Hackensack, NJ 07601. Dr. Reddy's primary practice is Hackensack University Medical Center in Hackensack, New Jersey, part of Hackensack Meridian Health. Dmand AI also links Dr. Reddy to 1 group practice or clinic.
What is Dr. Siddhartha Thammineni Reddy's office phone number?
The practice phone on file for Dr. Reddy is (551) 996-2000.
What is Dr. Siddhartha Thammineni Reddy's medical license number?
Dr. Reddy holds New Jersey license 25MA12399100.
Which hospitals is Dr. Siddhartha Thammineni Reddy affiliated with?
Dr. Reddy practices at Hackensack University Medical Center in Hackensack, New Jersey. Dr. Reddy is also affiliated with Jersey Shore University Medical Center.
What medical group is Dr. Siddhartha Thammineni Reddy part of?
Dr. Reddy is linked to Regional Cancer Care Associates.
Does Dr. Siddhartha Thammineni Reddy accept Medicare?
Yes. CMS data shows Dr. Reddy billed Medicare for 362 services in 2020, and Dr. Reddy accepts Medicare assignment.
What services does Dr. Siddhartha Thammineni Reddy bill to Medicare?
In 2020, Dr. Reddy's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
What drugs does Dr. Siddhartha Thammineni Reddy prescribe most?
In 2021 Medicare Part D data, Dr. Reddy's most prescribed drugs by claims were Amlodipine Besylate.
Has Dr. Siddhartha Thammineni Reddy received payments from drug or device companies?
CMS Open Payments shows $4,560 in general payments to Dr. Reddy from 32 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Siddhartha Thammineni Reddy been practicing?
Dr. Reddy graduated from medical school in 2009, 17 years ago.
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