Dr. Margaret Grace De Villiers, MD
- Hospital affiliations
- 1
- Industry payments
- $353
- Insurance carriers
- 14
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2425 Samaritan Drive, San Jose, CA 95124
- Practice phone
- Call (408) 559-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. De Villiers' 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. Margaret Grace De Villiers is a pediatrician in San Jose, California
Dr. De Villiers practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Dr. De Villiers' NPI, 1265486559, was assigned on May 20, 2006. Dr. De Villiers graduated from University of Cape Town Faculty of Medicine in 1980. Dr. De Villiers holds California license A42750.
- NPI
- 1265486559NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Practice phone
- (408) 559-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Margaret Grace De Villiers practices at Good Samaritan Hospital in San Jose, California
Dr. De Villiers' primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.
- Good Samaritan Hospital2425 Samaritan Drive, San Jose, CA 95124 · Santa Clara CountyPhone(408) 559-2011
Source: Dmand AI Affiliation Data
Dr. Margaret Grace De Villiers is affiliated with 1 site of care
Dr. De Villiers' primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Margaret Grace De Villiers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Villiers practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Margaret Grace De Villiers is one of 8,236 pediatricians in California
Pediatrics is Dr. De Villiers' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. De Villiers is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. De Villiers
Counts of pediatricians 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. Margaret Grace De Villiers' patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. De Villiers' median patient age at 7, with 49% women.
Dr. De Villiers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women49%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Margaret Grace De Villiers received $353 in industry payments from 2017 to 2025
CMS Open Payments shows 18 general payments to Dr. De Villiers from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 95% of the total. Merck Sharp & Dohme Corporation paid the most, $78.
General payments to Dr. De Villiers by program year, 2017 to 2025
General payments to Dr. De Villiers by kind, 2017 to 2025
- Food and beverage$33795%
- Device or supply loans$165%
Companies that paid Dr. De Villiers the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Margaret Grace De Villiers graduated from University of Cape Town Faculty of Medicine
Dr. De Villiers graduated from University of Cape Town Faculty of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Margaret Grace De Villiers accepts plans from 14 insurance carriers
Dr. De Villiers is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. De Villiers accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Margaret Grace De Villiers'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Margaret Grace De Villiers
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. Margaret Grace De Villiers' NPI number?
Dr. Margaret Grace De Villiers' NPI number is 1265486559. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret Grace De Villiers?
Dr. Margaret Grace De Villiers is a pediatrician in San Jose, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Margaret Grace De Villiers practice?
Dr. De Villiers practices at 2425 Samaritan Drive, San Jose, CA 95124. Dr. De Villiers' primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
What is Dr. Margaret Grace De Villiers' office phone number?
The practice phone on file for Dr. De Villiers is (408) 559-2011.
What is Dr. Margaret Grace De Villiers' medical license number?
Dr. De Villiers holds California license A42750.
Which hospitals is Dr. Margaret Grace De Villiers affiliated with?
Dr. De Villiers practices at Good Samaritan Hospital in San Jose, California.
Where did Dr. Margaret Grace De Villiers go to medical school?
Dr. De Villiers graduated from University of Cape Town Faculty of Medicine in 1980.
Has Dr. Margaret Grace De Villiers received payments from drug or device companies?
CMS Open Payments shows $353 in general payments to Dr. De Villiers from 9 companies from 2017 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Margaret Grace De Villiers been practicing?
Dr. De Villiers graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Margaret Grace De Villiers accept?
Dr. De Villiers is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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