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Dr. Siva Venu Natarajan, MD
NPI1003127234PAC ID4486829678
- Medicare services, 2019
- 14
- Clinical trials
- 10
- Hospital affiliations
- 1
- Industry payments
- $840
- Medical groups
- 10
- Practice address
- 800 South Main Street, Corona, CA 92882
- Practice phone
- Call (951) 736-6240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Natarajan'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. Siva Venu Natarajan is an anesthesiologist in Corona, California
Dr. Natarajan practices at Corona Regional Medical Center in Corona, California, part of Universal Health Services.
Dr. Natarajan's NPI, 1003127234, was assigned on June 22, 2010. Dr. Natarajan graduated from American University of the Caribbean School of Medicine in 2004. Dr. Natarajan holds California license A107471.
NPI and contact details
- NPI
- 1003127234NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486829678
- NPI enumeration date
- June 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 736-6240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siva Venu Natarajan practices at Corona Regional Medical Center in Corona, California
Dr. Natarajan's primary practice is Corona Regional Medical Center, at 800 South Main Street, Corona, CA 92882 in Riverside County. The practice phone is (951) 736-6240.
- Corona Regional Medical Center800 South Main Street, Corona, CA 92882 · Riverside CountyPhone(951) 736-6240
Source: Dmand AI Affiliation Data
Dr. Siva Venu Natarajan is affiliated with 3 sites of care and 10 medical groups
Dr. Natarajan's primary practice is Corona Regional Medical Center in Corona, California, part of Universal Health Services. The medical group on file is Allied Anesthesia Medical Group. Dmand AI also links Dr. Natarajan to 9 more medical groups, 1 breast imaging center and 1 physician office, each named with a free account.
Allied Anesthesia Medical Group9 medical groupsNames with a free account1 breast imaging centerName with a free account1 physician officeName with a free account
See all 13 affiliations for Dr. NatarajanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Siva Venu Natarajan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Natarajan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corona Regional Medical Center | Available with a free account |
| +2 more sites and 9 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Siva Venu Natarajan is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Natarajan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Natarajan is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Natarajan is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Natarajan
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California18anesthesiologists in Corona11anesthesiologists at Corona Regional Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Siva Venu Natarajan billed Medicare for 14 services in 2019
CMS data shows 14 Medicare services from Dr. Natarajan across 1 procedure code in 2019. Medicare paid $1,812 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201914
Paid by Medicare$1,812
Procedure codes1
Dr. Natarajan's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Anesthesia
- 2018: 402019: 1465%
Dr. Natarajan compared with the California median for anesthesiologists, 2019
- Dr. Natarajan
- California median
- Medicare services
- 14vs 7281% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Natarajan's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Natarajan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Natarajan and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Siva Venu Natarajan's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Natarajan's median patient age at 57, with 61% women.
Dr. Natarajan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
How Dr. Siva Venu Natarajan takes part in Medicare
Dr. Natarajan 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)
For MedTech and pharma teams
Find anesthesiologists like Dr. Natarajan by procedure volume and prescribing
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Dr. Siva Venu Natarajan has worked on 10 clinical trials
Dmand AI links Dr. Natarajan to 10 clinical trials, 4 of them phase 2 studies. 9 are still active or recruiting. Conditions studied include Adenocarcinoma of Lung, Biliary Atresia and Low Back Pain.
Clinical trials with Dr. Natarajan by phase
- NonePhase 1: no trials
- 4Phase 2: 4 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Natarajan's trials
- Adenocarcinoma of Lung
- Biliary Atresia
- Low Back Pain
- Malocclusion
- Muscular Atrophy
Investigators on the most trials with Dr. Natarajan
- Kader Tawfiq Abdelerahman, MD10 shared trials
- Randa Abdelmasih, MD10 shared trials
- Marjorie E. Affel, MD10 shared trials
Recent clinical trials with Dr. Natarajan
Adenocarcinoma of LungAdenocarcinoma
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Siva Venu Natarajan received $840 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Natarajan from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $265.
General payments to Dr. Natarajan by program year, 2016 to 2025
Companies that paid Dr. Natarajan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Siva Venu Natarajan graduated from American University of the Caribbean School of Medicine
Dr. Natarajan graduated from American University of the Caribbean School of Medicine in 2004.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Siva Venu Natarajan accepts plans from 5 insurance carriers
Dr. Natarajan is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Natarajan accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Siva Venu Natarajan'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. Siva Venu Natarajan
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. Siva Venu Natarajan's NPI number?
Dr. Siva Venu Natarajan's NPI number is 1003127234. It was assigned on June 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Siva Venu Natarajan?
Dr. Siva Venu Natarajan is an anesthesiologist in Corona, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Siva Venu Natarajan practice?
Dr. Natarajan practices at 800 South Main Street, Corona, CA 92882. Dr. Natarajan's primary practice is Corona Regional Medical Center in Corona, California, part of Universal Health Services. Dmand AI also links Dr. Natarajan to 9 medical groups, 1 breast imaging center and 1 physician office.
What is Dr. Siva Venu Natarajan's office phone number?
The practice phone on file for Dr. Natarajan is (951) 736-6240.
What is Dr. Siva Venu Natarajan's medical license number?
Dr. Natarajan holds California license A107471.
Which hospitals is Dr. Siva Venu Natarajan affiliated with?
Dr. Natarajan practices at Corona Regional Medical Center in Corona, California.
What medical group is Dr. Siva Venu Natarajan part of?
Dr. Natarajan is linked to Allied Anesthesia Medical Group. Dmand AI links Dr. Natarajan to 9 more medical groups.
Does Dr. Siva Venu Natarajan accept Medicare?
Yes. CMS data shows Dr. Natarajan billed Medicare for 14 services in 2019, and Dr. Natarajan accepts Medicare assignment.
Is Dr. Siva Venu Natarajan board certified?
Yes. Dr. Natarajan is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Siva Venu Natarajan bill to Medicare?
In 2019, Dr. Natarajan's most billed Medicare services were anesthesia (01936).
Show 5 more questionsShow fewer questions
Where did Dr. Siva Venu Natarajan go to medical school?
Dr. Natarajan graduated from American University of the Caribbean School of Medicine in 2004.
Has Dr. Siva Venu Natarajan received payments from drug or device companies?
CMS Open Payments shows $840 in general payments to Dr. Natarajan from 10 companies from 2016 to 2025. The largest total came from Halyard Health, Inc.
How long has Dr. Siva Venu Natarajan been practicing?
Dr. Natarajan graduated from medical school in 2004, 22 years ago.
Does Dr. Siva Venu Natarajan do research?
Dr. Natarajan has worked on 10 clinical trials.
What insurance does Dr. Siva Venu Natarajan accept?
Dr. Natarajan is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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