Dr. Constance Primrose De Silva, MD
- Part D claims, 2016
- 11
- Industry payments
- $212
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 810 W La Veta Avenue, Orange, CA 92868-3918
- Practice phone
- Call (714) 532-6811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
K Himasiri De Silva
Behavioral health practice · Orange, California
Find Dr. De Silva's professional email, personal email and mobile number
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Dr. Constance Primrose De Silva is a psychiatrist in Orange, California
Dr. De Silva practices at K Himasiri De Silva in Orange, California.
Dr. De Silva's NPI, 1912922634, was assigned on July 13, 2006. Dr. De Silva graduated from University of Peradeniya FOM in 1967. Dr. De Silva's California license number on file is A 33450.
- NPI
- 1912922634NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Practice phone
- (714) 532-6811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1967
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Constance Primrose De Silva practices at K Himasiri De Silva in Orange, California
Dr. De Silva's primary practice is K Himasiri De Silva, at 810 W La Veta Avenue, Orange, CA 92868-3918. The practice phone is (714) 532-6811.
- K Himasiri De Silva810 W La Veta Avenue, Orange, CA 92868-3918Phone(714) 532-6811
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Constance Primrose De Silva is affiliated with 2 sites of care and 2 medical groups
Dr. De Silva's primary practice is K Himasiri De Silva in Orange, California. Dmand AI also links Dr. De Silva to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Constance Primrose De Silva's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Silva practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| K Himasiri De Silva | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Constance Primrose De Silva is one of 6,803 psychiatrists in California
Psychiatry is Dr. De Silva's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. De Silva is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. De Silva has a license on file in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. De Silva
Counts of psychiatrists 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. Constance Primrose De Silva wrote 11 Medicare Part D claims in 2016
In 2016, Dr. De Silva wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $220 in total drug cost.
Dr. De Silva's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Constance Primrose De Silva received $212 in industry payments from 2016 to 2021
CMS Open Payments shows 5 general payments to Dr. De Silva from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $56.
General payments to Dr. De Silva by program year, 2016 to 2021
Companies that paid Dr. De Silva the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Constance Primrose De Silva graduated from University of Peradeniya FOM
Dr. De Silva graduated from University of Peradeniya FOM in 1967.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Constance Primrose De Silva'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Constance Primrose De Silva
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. Constance Primrose De Silva's NPI number?
Dr. Constance Primrose De Silva's NPI number is 1912922634. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Constance Primrose De Silva?
Dr. Constance Primrose De Silva is a psychiatrist in Orange, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Constance Primrose De Silva practice?
Dr. De Silva practices at 810 W La Veta Avenue, Orange, CA 92868-3918. Dr. De Silva's primary practice is K Himasiri De Silva in Orange, California. Dmand AI also links Dr. De Silva to 2 medical groups and 1 group practice or clinic.
What is Dr. Constance Primrose De Silva's office phone number?
The practice phone on file for Dr. De Silva is (714) 532-6811.
What is Dr. Constance Primrose De Silva's medical license number?
Dr. De Silva's California license number on file is A 33450.
Is Dr. Constance Primrose De Silva board certified?
Yes. Dr. De Silva is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Constance Primrose De Silva go to medical school?
Dr. De Silva graduated from University of Peradeniya FOM in 1967.
What drugs does Dr. Constance Primrose De Silva prescribe most?
In 2016 Medicare Part D data, Dr. De Silva's most prescribed drugs by claims were Buspirone HCl.
Has Dr. Constance Primrose De Silva received payments from drug or device companies?
CMS Open Payments shows $212 in general payments to Dr. De Silva from 5 companies from 2016 to 2021. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Constance Primrose De Silva been practicing?
Dr. De Silva graduated from medical school in 1967, 59 years ago.
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