John Grain
NPI 1255012514 · Certified Registered Nurse Anesthetist · Norfolk, VA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Grain is a Certified Registered Nurse Anesthetist provider in Norfolk, VA (NPI 1255012514).
Provider details
- NPI number
- 1255012514
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1881 University DrVirginia Beach, VA 23453-8083Phone: (757) 469-6946
Registry dates
- Enumerated
- 2023-07-28
- Last updated
- 2024-07-09
- Certified
- 2024-07-09
Frequently asked questions
- What is John Grain's NPI number?
- John Grain's National Provider Identifier (NPI) is 1255012514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grain's specialty?
- John Grain is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Grain located?
- John Grain's practice location on file with NPPES is 600 Gresham Dr, Norfolk, VA 23507-1904.
- What is John Grain's phone number?
- The practice phone number listed in the NPPES registry for John Grain is (757) 388-3000.
- Does John Grain accept Medicare?
- John Grain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Grain's NPI active?
- Yes — John Grain's NPI (1255012514) is active in the NPPES registry as of the last update on 2024-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.