Area Under CurveEnterocolitis, NecrotizingGestational Age
Dr. Grant Joseph Dat Chiu Shafer, MD
NPI1831516764
- Publications
- 12
- Hospital affiliations
- 1
- Industry payments
- $163
- Medical group
- 1
- Insurance carriers
- 7
- Practice address
- 1201 W La Veta Ave, Orange, CA 92868
- Practice phone
- Call (714) 997-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital of Orange County Main Campus
Orange, California
Find Dr. Shafer'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. Grant Joseph Dat Chiu Shafer is a neonatologist in Orange, California
Dr. Shafer practices at Children's Hospital of Orange County Main Campus in Orange, California.
Dr. Shafer's NPI, 1831516764, was assigned on March 28, 2014. Dr. Shafer graduated from University Of Cincinnati College Of Medicine in 2014. Dr. Shafer holds Texas license R3210.
NPI and contact details
- NPI
- 1831516764NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2014
- NPI status
- Active
- Practice phone
- (714) 997-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Grant Joseph Dat Chiu Shafer practices at Children's Hospital of Orange County Main Campus in Orange, California
Dr. Shafer's primary practice is Children's Hospital of Orange County Main Campus, at 1201 W La Veta Ave, Orange, CA 92868 in Orange County. The practice phone is (714) 997-3000.
- Children's Hospital of Orange County Main Campus1201 W La Veta Ave, Orange, CA 92868 · Orange CountyPhone(714) 997-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Grant Joseph Dat Chiu Shafer is affiliated with 2 sites of care and 1 medical group
Dr. Shafer's primary practice is Children's Hospital of Orange County Main Campus in Orange, California. Dr. Shafer is also affiliated with Rady Children's Hospital - Orange County. The medical group on file is CHOC Children's.
Children's Hospital of Orange County Main CampusPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grant Joseph Dat Chiu Shafer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shafer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital of Orange County Main Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grant Joseph Dat Chiu Shafer is one of 780 neonatologists in California
Neonatal-perinatal medicine is Dr. Shafer's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Shafer is board certified in neonatal-perinatal medicine by the American Board of Pediatrics. Dmand AI has Dr. Shafer's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Neonatal-perinatal medicine, TexasPrimary
- California license
Neonatologists near Dr. Shafer
Counts of neonatologists 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. Grant Joseph Dat Chiu Shafer's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Dr. Shafer's median patient age at 22, with 66% women.
Dr. Shafer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
Dr. Grant Joseph Dat Chiu Shafer has 12 publications on record
Dmand AI links 12 papers to Dr. Shafer, published from 2018 to 2024. 2019 was the busiest year, with 3. The most frequent topics are Diagnostic Errors, Infant, Premature and Intensive Care Units, Neonatal. Dr. Shafer has published most often in AJP Rep. Dr. Shafer's most frequent co-authors are Kanekal Suresh Gautham, MBBS, MD, MS, Michel Mikhael, MD and Jose E. Abdenur, MD.
Papers12
Years published2018 to 2024
Dr. Shafer's papers by year, 2018 to 2024
Topics Dr. Shafer writes about most
- Diagnostic Errors
- Infant, Premature
- Intensive Care Units, Neonatal
- Gestational Age
- Infant, Premature, Diseases
- Leukocyte Count
Dr. Shafer's most frequent co-authors
- Kanekal Suresh Gautham, MBBS, MD, MS2 shared papers
- Michel Mikhael, MD2 shared papers
- Jose E. Abdenur, MD1 shared paper
Recent publications by Dr. Shafer
Diagnostic ErrorsInpatientsOutpatients
Diagnostic ErrorsElectronic Health RecordsIntensive Care Units, Neonatal
See who Dr. Shafer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shafer works with, so you can find a warm path to the right neonatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grant Joseph Dat Chiu Shafer received $163 in industry payments from 2017 to 2025
CMS Open Payments shows 4 general payments to Dr. Shafer from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $145.
General payments to Dr. Shafer by program year, 2017 to 2025
Companies that paid Dr. Shafer 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. Grant Joseph Dat Chiu Shafer graduated from University Of Cincinnati College Of Medicine
Dr. Shafer graduated from University Of Cincinnati College Of Medicine in 2014.
- Medical school
- Board certified in neonatal-perinatal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Grant Joseph Dat Chiu Shafer accepts plans from 7 insurance carriers
Dr. Shafer is in network with 7 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Aetna. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Shafer accepts, by number of carriers
- PPO4
- HMO3
- POS3
- EPO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Grant Joseph Dat Chiu Shafer'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 DataDmand AI Org Hierarchy 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) |
| 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. Grant Joseph Dat Chiu Shafer
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. Grant Joseph Dat Chiu Shafer's NPI number?
Dr. Grant Joseph Dat Chiu Shafer's NPI number is 1831516764. It was assigned on March 28, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Grant Joseph Dat Chiu Shafer?
Dr. Grant Joseph Dat Chiu Shafer is a neonatologist in Orange, California. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. Grant Joseph Dat Chiu Shafer practice?
Dr. Shafer practices at 1201 W La Veta Ave, Orange, CA 92868. Dr. Shafer's primary practice is Children's Hospital of Orange County Main Campus in Orange, California.
What is Dr. Grant Joseph Dat Chiu Shafer's office phone number?
The practice phone on file for Dr. Shafer is (714) 997-3000.
What is Dr. Grant Joseph Dat Chiu Shafer's medical license number?
Dr. Shafer holds Texas license R3210, one of the licenses on file in 2 states.
Which states has Dr. Grant Joseph Dat Chiu Shafer been licensed in?
Dmand AI has state licenses on file for Dr. Shafer in Texas (2017 to 2026) and California (2020 to 2026).
Which hospitals is Dr. Grant Joseph Dat Chiu Shafer affiliated with?
Dr. Shafer is affiliated with Rady Children's Hospital - Orange County.
What medical group is Dr. Grant Joseph Dat Chiu Shafer part of?
Dr. Shafer is linked to CHOC Children's.
Is Dr. Grant Joseph Dat Chiu Shafer board certified?
Yes. Dr. Shafer is board certified in neonatal-perinatal medicine by the American Board of Pediatrics.
Where did Dr. Grant Joseph Dat Chiu Shafer go to medical school?
Dr. Shafer graduated from University Of Cincinnati College Of Medicine in 2014.
Show 5 more questionsShow fewer questions
Has Dr. Grant Joseph Dat Chiu Shafer received payments from drug or device companies?
CMS Open Payments shows $163 in general payments to Dr. Shafer from 2 companies from 2017 to 2025. The largest total came from Mallinckrodt LLC.
How long has Dr. Grant Joseph Dat Chiu Shafer been practicing?
Dr. Shafer graduated from medical school in 2014, 12 years ago.
Does Dr. Grant Joseph Dat Chiu Shafer do research?
Dmand AI links 12 publications to Dr. Shafer, published from 2018 to 2024.
Who does Dr. Grant Joseph Dat Chiu Shafer publish with?
Dr. Shafer's most frequent co-authors are Kanekal Suresh Gautham, MBBS, MD, MS (2 shared papers), Michel Mikhael, MD (2 shared papers) and Jose E. Abdenur, MD (1 shared paper).
What insurance does Dr. Grant Joseph Dat Chiu Shafer accept?
Dr. Shafer is in network with 7 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Aetna. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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