Grace J. Stonerock, MD, PC
NPI 1659379105 · Family Medicine Physician · Manassas, VA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace J. Stonerock, MD, PC is a Family Medicine Physician organization in Manassas, VA (NPI 1659379105).
Provider details
- NPI number
- 1659379105
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Grace Stonerock, President/M.d.(703) 368-7110
- License
- 0101045665 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-07-08
- Last updated
- 2023-07-28
- Certified
- 2023-07-28
Frequently asked questions
- What is Grace J. Stonerock, MD, PC's NPI number?
- Grace J. Stonerock, MD, PC's National Provider Identifier (NPI) is 1659379105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grace J. Stonerock, MD, PC?
- Grace J. Stonerock, MD, PC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grace J. Stonerock, MD, PC located?
- Grace J. Stonerock, MD, PC's practice location on file with NPPES is 10696 Crestwood Dr, Manassas, VA 20109-4411.
- What is Grace J. Stonerock, MD, PC's phone number?
- The practice phone number listed in the NPPES registry for Grace J. Stonerock, MD, PC is (703) 368-7110.
- Does Grace J. Stonerock, MD, PC accept Medicare?
- Grace J. Stonerock, MD, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grace J. Stonerock, MD, PC?
- The authorized official listed on Grace J. Stonerock, MD, PC's NPPES record is Grace Stonerock, President/M.d.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grace J. Stonerock, MD, PC's NPI active?
- Yes — Grace J. Stonerock, MD, PC's NPI (1659379105) is active in the NPPES registry as of the last update on 2023-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.