Dr. Neil Castillo Srivastava, MD
- Medicare services, 2024
- 3,551
- Medicare patients, 2024
- 2,461
- Part D claims, 2024
- 24
- Hospital affiliations
- 5
- Industry payments
- $1,678
- Practice address
- 24 Hospital Ave, Danbury, CT 06810
- Practice phone
- Call (203) 739-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Srivastava'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. Neil Castillo Srivastava is a diagnostic radiologist in Danbury, Connecticut
Dr. Srivastava practices at Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health.
Dr. Srivastava's NPI, 1689842148, was assigned on February 18, 2008. Dr. Srivastava graduated from State University of New York Downstate Medical Center College of Medicine in 2003. Dr. Srivastava holds New York license 238491.
- NPI
- 1689842148NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214072974
- NPI enumeration date
- February 18, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 739-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Neil Castillo Srivastava practices at Northwell Danbury Hospital in Danbury, Connecticut
Dr. Srivastava's primary practice is Northwell Danbury Hospital, at 24 Hospital Ave, Danbury, CT 06810 in Fairfield County. The practice phone is (203) 739-7000.
- Northwell Danbury Hospital24 Hospital Ave, Danbury, CT 06810 · Fairfield CountyPhone(203) 739-7000
Source: Dmand AI Affiliation Data
Dr. Neil Castillo Srivastava is affiliated with 5 sites of care and 4 medical groups
Dr. Srivastava's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dr. Srivastava is also affiliated with Griffin Hospital. The medical group on file is Danbury Radiological Associates. Dmand AI also links Dr. Srivastava to 3 more hospitals and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Neil Castillo Srivastava's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Srivastava practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwell Danbury Hospital | Available with a free account |
| +4 more sites and 3 medical groups | 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 Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Neil Castillo Srivastava is one of 472 diagnostic radiologists in Connecticut
Diagnostic radiology is Dr. Srivastava's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Srivastava is licensed in New York.
Specialties and state licenses
- Diagnostic radiology, New YorkPrimary
Diagnostic radiologists near Dr. Srivastava
Counts of diagnostic radiologists 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. Neil Castillo Srivastava billed Medicare for 3,551 services in 2024
CMS data shows 3,551 Medicare services from Dr. Srivastava across 33 procedure codes in 2024, for 2,461 Medicare patients. Medicare paid $146,305 for them.
Dr. Srivastava's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,4762024: 3,5512%
Where Dr. Srivastava's Medicare services took place, 2024
- In an office1885%
- In a facility3,36395%
Dr. Srivastava compared with the Connecticut median for diagnostic radiologists, 2024
- Dr. Srivastava
- Connecticut median
- Medicare services
- 3,551vs 2,06372% above
- Medicare patients
- 2,461vs 1,26295% above
- Part D claims
- 24vs 1833% above
Medians across 462 diagnostic radiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Srivastava's most billed Medicare procedure codes, 2024
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. Srivastava and other diagnostic radiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neil Castillo Srivastava treated 2,461 Medicare patients in 2024, average age 79
CMS counts 2,461 Medicare patients who saw Dr. Srivastava in 2024. The largest group is 75 to 84, with 922 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Srivastava's median patient age at 73, with 57% women.
Dr. Srivastava's Medicare patients by age, 2024
Dr. Srivastava's Medicare patients by sex, 2024
- Women1,38556%
- Men1,07644%
Chronic conditions among Dr. Srivastava's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease44%
- Anxiety39%
- Mood disorders39%
- Depression33%
- Stroke or TIA33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Srivastava's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Neil Castillo Srivastava wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Srivastava wrote 24 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $3,712 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.
Dr. Srivastava's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 342024: 2429%
Drugs named by CMS: 2 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Neil Castillo Srivastava takes part in Medicare
Dr. Srivastava 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. Neil Castillo Srivastava received $1,678 in industry payments from 2016 to 2020
CMS Open Payments shows 7 general payments to Dr. Srivastava from 3 drug and device companies from 2016 to 2020. Honoraria make up the largest share, 89% of the total. Bracco Diagnostics Inc. paid the most, $1,553.
General payments to Dr. Srivastava by program year, 2016 to 2020
General payments to Dr. Srivastava by kind, 2016 to 2020
- Honoraria$1,50089%
- Food and beverage$17811%
Companies that paid Dr. Srivastava the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neil Castillo Srivastava graduated from State University of New York Downstate Medical Center College of Medicine
Dr. Srivastava graduated from State University of New York Downstate Medical Center College of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neil Castillo Srivastava'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Neil Castillo Srivastava
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. Neil Castillo Srivastava's NPI number?
Dr. Neil Castillo Srivastava's NPI number is 1689842148. It was assigned on February 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Neil Castillo Srivastava?
Dr. Neil Castillo Srivastava is a diagnostic radiologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Neil Castillo Srivastava practice?
Dr. Srivastava practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Srivastava's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dmand AI also links Dr. Srivastava to 3 hospitals and 3 medical groups.
What is Dr. Neil Castillo Srivastava's office phone number?
The practice phone on file for Dr. Srivastava is (203) 739-7000.
What is Dr. Neil Castillo Srivastava's medical license number?
Dr. Srivastava holds New York license 238491.
Which hospitals is Dr. Neil Castillo Srivastava affiliated with?
Dr. Srivastava practices at Northwell Danbury Hospital in Danbury, Connecticut. Dr. Srivastava is also affiliated with Griffin Hospital. Dmand AI links Dr. Srivastava to 3 more hospitals.
What medical group is Dr. Neil Castillo Srivastava part of?
Dr. Srivastava is linked to Danbury Radiological Associates. Dmand AI links Dr. Srivastava to 3 more medical groups.
Does Dr. Neil Castillo Srivastava accept Medicare?
Yes. CMS data shows Dr. Srivastava billed Medicare for 3,551 services in 2024, and Dr. Srivastava accepts Medicare assignment.
How many Medicare patients does Dr. Neil Castillo Srivastava see?
CMS counts 2,461 Medicare patients who saw Dr. Srivastava in 2024, with an average age of 79.
What services does Dr. Neil Castillo Srivastava bill to Medicare?
In 2024, Dr. Srivastava's most billed Medicare services were diagnostic imaging (70450), diagnostic imaging (71045) and diagnostic imaging (70551).
Show 4 more questionsShow fewer questions
Where did Dr. Neil Castillo Srivastava go to medical school?
Dr. Srivastava graduated from State University of New York Downstate Medical Center College of Medicine in 2003.
What drugs does Dr. Neil Castillo Srivastava prescribe most?
In 2024 Medicare Part D data, Dr. Srivastava's most prescribed drugs by claims were Doxepin HCl and Furosemide.
Has Dr. Neil Castillo Srivastava received payments from drug or device companies?
CMS Open Payments shows $1,678 in general payments to Dr. Srivastava from 3 companies from 2016 to 2020. The largest total came from Bracco Diagnostics Inc.
How long has Dr. Neil Castillo Srivastava been practicing?
Dr. Srivastava graduated from medical school in 2003, 23 years ago.
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