Grant Decastillia
- Hospital affiliations
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 600 Gresham Dr, Norfolk, VA 23507
- Practice phone
- Call (757) 388-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Grant Decastillia'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.
Grant Decastillia is a physician assistant in Norfolk, Virginia
Grant Decastillia practices at Sentara Norfolk General Hospital in Norfolk, Virginia, part of Sentara Health.
Grant Decastillia's NPI, 1437047156, was assigned on June 24, 2025.
- NPI
- 1437047156NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517459159
- NPI enumeration date
- June 24, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 388-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Grant Decastillia practices at Sentara Norfolk General Hospital in Norfolk, Virginia
Grant Decastillia's primary practice is Sentara Norfolk General Hospital, at 600 Gresham Dr, Norfolk, VA 23507 in Norfolk City. The practice phone is (757) 388-3000.
- Sentara Norfolk General Hospital600 Gresham Dr, Norfolk, VA 23507 · Norfolk CityPhone(757) 388-3000
Source: Dmand AI Affiliation Data
Grant Decastillia is affiliated with 5 sites of care and 1 medical group
Grant Decastillia's primary practice is Sentara Norfolk General Hospital in Norfolk, Virginia, part of Sentara Health. Grant Decastillia is also affiliated with Sentara Leigh Hospital. The medical group on file is Family Physicians of Tidewater PLLC. Dmand AI also links Grant Decastillia to 1 more hospital, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Grant Decastillia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Grant Decastillia practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Norfolk General Hospital | Available with a free account |
| +4 more affiliated sites | 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 Sentara Health and 6.2K+ hospitals, with verified contacts in the same login.
Grant Decastillia is one of 3,636 physician assistants in Virginia
Physician assistant is Grant Decastillia's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Grant Decastillia
Counts of physician assistants 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
Grant Decastillia's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Grant Decastillia's median patient age at 45, with 52% women.
Grant Decastillia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
How Grant Decastillia takes part in Medicare
Grant Decastillia 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)
Sources for Grant Decastillia'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Grant Decastillia
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Grant Decastillia's NPI number?
Grant Decastillia's NPI number is 1437047156. It was assigned on June 24, 2025, and it is active in the NPI Registry.
What does Grant Decastillia specialize in?
Grant Decastillia is a physician assistant in Norfolk, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Grant Decastillia practice?
Grant Decastillia practices at 600 Gresham Dr, Norfolk, VA 23507. Grant Decastillia's primary practice is Sentara Norfolk General Hospital in Norfolk, Virginia, part of Sentara Health. Dmand AI also links Grant Decastillia to 1 hospital, 1 group practice or clinic and 1 hospital outpatient department.
What is Grant Decastillia's office phone number?
The practice phone on file for Grant Decastillia is (757) 388-3000.
Which hospitals is Grant Decastillia affiliated with?
Grant Decastillia practices at Sentara Norfolk General Hospital in Norfolk, Virginia. Grant Decastillia is also affiliated with Sentara Leigh Hospital. Dmand AI links Grant Decastillia to 1 more hospital.
What medical group is Grant Decastillia part of?
Grant Decastillia is linked to Family Physicians of Tidewater PLLC.
Does Grant Decastillia accept Medicare?
Yes. CMS lists Grant Decastillia as accepting Medicare assignment.
How long has Grant Decastillia been practicing?
Grant Decastillia graduated from medical school in 2025, 1 years ago.
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