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Dr. David K. Trager, MD
NPI1144287624
- Publications
- 1
- Industry payments
- $2,527
- Affiliated sites
- 3
- Medical groups
- 3
- Insurance carriers
- 6
- Practice address
- 20055 Lake Chabot Rd, Castro Valley, CA 94546
- Practice phone
- Call (415) 476-7220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baychildren's Physicians
Castro Valley, California
Find Dr. Trager'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. David K. Trager is a pediatrician in Castro Valley, California
Dr. Trager practices at Baychildren's Physicians in Castro Valley, California.
Dr. Trager's NPI, 1144287624, was assigned on April 27, 2006. Dr. Trager graduated from Stanford University School Of Medicine in 1990. Dr. Trager's California license number on file is G72903.
NPI and contact details
- NPI
- 1144287624NPI Registry (opens in a new tab)
- NPI enumeration date
- April 27, 2006
- NPI status
- Active
- Practice phone
- (415) 476-7220
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David K. Trager practices at Baychildren's Physicians in Castro Valley, California
Dr. Trager's primary practice is Baychildren's Physicians, at 20055 Lake Chabot Rd, Castro Valley, CA 94546 in Alameda County. The practice phone is (415) 476-7220.
- Baychildren's Physicians20055 Lake Chabot Rd, Castro Valley, CA 94546 · Alameda CountyPhone(415) 476-7220
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David K. Trager is affiliated with 4 sites of care and 3 medical groups
Dr. Trager's primary practice is Baychildren's Physicians in Castro Valley, California. The medical group on file is BayChildren's Medical Group. Dmand AI also links Dr. Trager to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Baychildren's PhysiciansPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David K. Trager's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trager practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baychildren's Physicians | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David K. Trager is one of 8,236 pediatricians in California
Pediatrics is Dr. Trager's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Trager is board certified in pediatrics by the American Board of Pediatrics. Dr. Trager has a license on file in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Trager
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. David K. Trager's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Trager's median patient age at 13, with 41% women.
Dr. Trager's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women41%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. David K. Trager has 1 publication on record
Dmand AI links 1 paper to Dr. Trager. Dr. Trager's most frequent co-author is Judith Anne Shizuru, MD, PhD.
Papers1
Dr. Trager's most frequent co-authors
Recent publications by Dr. Trager
See who Dr. Trager researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trager works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David K. Trager received $2,527 in industry payments from 2016 to 2025
CMS Open Payments shows 113 general payments to Dr. Trager from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $1,629.
General payments to Dr. Trager by program year, 2016 to 2025
Companies that paid Dr. Trager 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. David K. Trager has 1 award and honors on record
Dmand AI lists 1 award for Dr. Trager.
Awards and honors for Dr. Trager
- Undated
- AAP Fellow
Source: Dmand AI Professional Profile Data
Dr. David K. Trager graduated from Stanford University School Of Medicine
Dr. Trager graduated from Stanford University School Of Medicine in 1990. Dr. Trager is a member of AAP.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. David K. Trager accepts plans from 6 insurance carriers
Dr. Trager is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Trager accepts, by number of carriers
- Medicare6
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. David K. Trager'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. David K. Trager
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. David K. Trager's NPI number?
Dr. David K. Trager's NPI number is 1144287624. It was assigned on April 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David K. Trager?
Dr. David K. Trager is a pediatrician in Castro Valley, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. David K. Trager practice?
Dr. Trager practices at 20055 Lake Chabot Rd, Castro Valley, CA 94546. Dr. Trager's primary practice is Baychildren's Physicians in Castro Valley, California. Dmand AI also links Dr. Trager to 3 group practices and clinics and 2 medical groups.
What is Dr. David K. Trager's office phone number?
The practice phone on file for Dr. Trager is (415) 476-7220.
What is Dr. David K. Trager's medical license number?
Dr. Trager's California license number on file is G72903.
What medical group is Dr. David K. Trager part of?
Dr. Trager is linked to BayChildren's Medical Group. Dmand AI links Dr. Trager to 2 more medical groups.
Is Dr. David K. Trager board certified?
Yes. Dr. Trager is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. David K. Trager go to medical school?
Dr. Trager graduated from Stanford University School Of Medicine in 1990.
Has Dr. David K. Trager received payments from drug or device companies?
CMS Open Payments shows $2,527 in general payments to Dr. Trager from 17 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. David K. Trager been practicing?
Dr. Trager graduated from medical school in 1990, 36 years ago.
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Does Dr. David K. Trager do research?
Dmand AI links 1 publication to Dr. Trager.
Who does Dr. David K. Trager publish with?
Dr. Trager's most frequent co-authors are Judith Anne Shizuru, MD, PhD (1 shared paper).
What insurance does Dr. David K. Trager accept?
Dr. Trager is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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