IndividualActive
Maryann Johnson, N.P.
NPI 1376560193 · Adult Health Nurse Practitioner · Manassas, VA
Provider details
- NPI number
- 1376560193
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 0024085871 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
10696 B Crestwood Drive
Dr. Grace J. Stonerock
Manassas, VA 20109-4411
Phone: (703) 368-7110
Fax: (703) 369-1842
Street-level locationGet directions
Mailing address
10254 Wallwood Drive
Manassas, VA 20111-4301
Registry dates
- Enumerated
- 2006-07-16
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.