Dr Grace J Stonerock, MD - Medicare Family Practice in Manassas, VA

Dr Grace J Stonerock, MD is a medicare enrolled "Family Medicine" physician in Manassas, Virginia. She graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Grace J. Stonerock, Md, Pc and her current practice location is 10696 Crestwood Dr Ste B, Manassas, Virginia. You can reach out to her office (for appointments etc.) via phone at (703) 368-7110.

Dr Grace J Stonerock is licensed to practice in Virginia (license number 0101045665) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1629234489.

Contact Information

Dr Grace J Stonerock, MD
10696 Crestwood Dr Ste B,
Manassas, VA 20109-4411
(703) 368-7110
(703) 369-1842

Map and Direction




Physician's Profile

Full NameDr Grace J Stonerock
GenderFemale
SpecialityFamily Practice
Experience35 Years
Location10696 Crestwood Dr Ste B, Manassas, Virginia
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Grace J Stonerock graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1629234489
  • Provider Enumeration Date: 07/31/2008
  • Last Update Date: 07/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2365512027
  • Enrollment ID: I20080722000755

Medical Identifiers

Medical identifiers for Dr Grace J Stonerock such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629234489NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 0101045665 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Novant Prince William Medical CenterManassas, VAHospital
Novant Health Uva Health Haymarket Medical CenterHaymarket, VAHospital
Fauquier HospitalWarrenton, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Grace J. Stonerock, Md, Pc67098763452

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Grace J Stonerock allows following entities to bill medicare on her behalf.
Entity NameGrace J. Stonerock, Md, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659379105
PECOS PAC ID: 6709876345
Enrollment ID: O20080815000074

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Grace J Stonerock is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Grace J Stonerock, MD
10696 Crestwood Dr Ste B,
Manassas, VA 20109-4411

Ph: (703) 368-7110
Dr Grace J Stonerock, MD
10696 Crestwood Dr Ste B,
Manassas, VA 20109-4411

Ph: (703) 368-7110

Reviews and Comments


Family Medicine Doctors in Manassas, VA

Hannah Rak, MD
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Practice Location: 8051 Sudley Rd, Manassas, VA 20109
Phone: 571-719-4180    
Robert A W Latimer, M.D.
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Phone: 703-368-3161    Fax: 703-368-2498
Dr. Suman Deep Matiana, M.D.
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Practice Location: 8700 Sudley Rd, Manassas, VA 20110
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Dr. Denise Thi Nguyen, DO
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Practice Location: 8640 Sudley Rd Ste 203, Manassas, VA 20110
Phone: 703-368-3161    Fax: 703-656-9867
Ria Shah, PA-C
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Medicare: Not Enrolled in Medicare
Practice Location: 9001 Digges Rd Ste 105, Manassas, VA 20110
Phone: 703-369-5000    
Ahmad S Baray, M.D.
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Practice Location: 9715 Liberia Ave, Manassas, VA 20110
Phone: 571-229-1797    
Payam Mir, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 6356 Hoadly Rd, Manassas, VA 20112
Phone: 703-673-1558    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.