Taylor A Mastri, PA-C
Physician Assistant · Manassas, VA
At a glance
8640 Sudley Rd Ste 201, Manassas, VA 20110-4404
NPPES record updated Feb 12, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
8640 Sudley Rd Ste 201Manassas, VA 20110-4404
Additional reported practice locations
3300 Gallows RdDepartment Of Medicine
Falls Church, VA 22042
Phone: 5715813316 4320 Seminary Rd
Alexandria, VA 223041535
Phone: 7035043000
Fax: 7035043388 8640 Sudley Rd Ste 201
Manassas, VA 201104404
Phone: 7033686819
Fax: 7033680203 7915 Lake Manassas Dr Ste 302
Gainesville, VA 201553260
Phone: 5712480653
Fax: 5712480658 3600 Joseph Siewick Dr
Fairfax, VA 220331709
Phone: 7033913600
Fax: 7033913414 44045 Riverside Pkwy
Leesburg, VA 201765101
Phone: 7038586000
Fax: 7038586900 2501 Parkers Ln
Alexandria, VA 223063209
Phone: 7036647000
Fax: 7036647666 170 W Shirley Ave Ste 205
Warrenton, VA 201863083
Phone: 5403472470
Fax: 5403494683 8700 Sudley Rd
Manassas, VA 201104418
Phone: 7033965292
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2017
- CMS specialties
- Physician Assistant
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Uva Health Culpeper Medical Center Culpeper, VA
- Uva Health Haymarket Medical Center Haymarket, VA
- Uva Health Prince William Medical Center Manassas, VA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Physician Assistant
- Taxonomy code
- 363A00000X
- Enumeration date
- Mar 16, 2018
- Record updated
- Feb 12, 2024
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- TAYLOR ASHLEY CARLSON
- Reported credentials
- PA-C
Reported taxonomies and licenses
363A00000X
License reported: 363A00000X VA
363AM0700X
License reported: 0110006121 VA
363A00000X · Primary
License reported: 0110006121 VA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
8640 Sudley Rd Ste 201Manassas, VA 20110-4404
- Phone
- (703) 368-6819
Mailing address
8640 SUDLEY RD STE 201MANASSAS, VA 201104404
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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