NPPES file of Aug 9, 2026

Grace J. Stonerock, M.D.

Family Medicine Physician · Manassas, VA

Grace J. Stonerock, M.D. is a family medicine physician with a practice address in Manassas, Virginia, and NPI 1629234489, issued on Jul 31, 2008. Check the license (Virginia 0101045665, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629234489
Name
Grace J. Stonerock
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0101045665 VA
Self-reported in NPPES; status is on the state search
Practice location
10696 Crestwood Dr Ste B, Manassas, VA 20109
Phone
(703) 368-7110
Enumerated
Jul 31, 2008
Record last updated
Jul 15, 2023
Fax
(703) 369-1842
Medicare enrollment
Enrolled (PECOS I20080722000755); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10696 Crestwood Dr Ste B

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary Jo Lawrence, FNPFamily Health Clinical Nurse Specialist1225220411

Verify Grace J. Stonerock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101045665
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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2.3 times the Medicare Part D claims of the average family medicine physician in 2024

7,998 Medicare Part D claims for 416 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 147 claims were for opioids.

  1. Grace Stonerock7,998
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium403 claims
  2. Amlodipine Besylate336 claims
  3. Levothyroxine Sodium318 claims
  4. Montelukast Sodium280 claims
  5. Metformin Hcl239 claims
  6. Lisinopril211 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 21.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%72.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,987.23

168 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grace Stonerock$2,987.23
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

55 family medicine physician records list a practice address in Manassas

They are 55 of the 2,327 NPPES records with a practice address in Manassas, and 4,137 family medicine physician records in Virginia.

Other family medicine physician records in Virginia

  1. Usman Aamir, MDStaunton, VA1871275941
  2. Maureen Aaron, M.D.Martinsville, VA1164409942
  3. Marianne Abadam, DOHampton, VA1144979808
  4. Tasnim Abbasi, MDDanville, VA1922941160
  5. Linda Abbey, M.D.Richmond, VA1366528028
  6. David Abbot, MDVienna, VA1447205158
  7. James Abbott, M.D.Richmond, VA1235169236
  8. Lonia Abbott, M.D.Colonial Heights, VA1134358138
  9. Wendy Abbott, DOBig Stone Gap, VA1497290241
  10. Rhanda Abd-Elfattah, M.D.Fairfax, VA1306286968

Common questions

What is Grace J. Stonerock, M.D.'s NPI number?

Grace J. Stonerock, M.D.'s National Provider Identifier (NPI) is 1629234489, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Grace J. Stonerock, M.D. located?

The NPPES record lists a practice address at 10696 Crestwood Dr Ste B, Manassas, VA, 20109. Phone: (703) 368-7110. Providers update this record themselves, so call before visiting.

How can I verify Grace J. Stonerock, M.D.'s license?

NPPES lists Virginia license number 0101045665, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Grace J. Stonerock, M.D. prescribe under Medicare Part D?

In 2024, Grace J. Stonerock, M.D. had 7,998 Medicare Part D claims for 416 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Grace J. Stonerock, M.D.'s MIPS final score?

The 2023 MIPS final score is 21.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.