TIMOTHY SCOTT MOUNTCASTLE MD
NPI 1821015561
Surgery in Ashburn, VA

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
92.61/100
CMS Quality Rating
44095 PIPELINE PLAZA, SUITE 430, ASHBURN, VA 20147(703) 858-3208(571) 291-2289 Get Directions Write a Review

NPPES record last updated: December 13, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 13, 2023, Nov 29, 2022, Sep 26, 2022 (3 updates tracked since 2022).

About Timothy Scott Mountcastle Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY SCOTT MOUNTCASTLE MD (NPI 1821015561) is an individual surgery provider in Ashburn, Virginia, licensed in Virginia (0101239935) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Howard University College Of Medicine (1999).

NPPES Registry Identity

NPI1821015561
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameTIMOTHY SCOTT MOUNTCASTLECredential: MD
Location Address44095 PIPELINE PLAZA, SUITE 430Ashburn, VA 20147-7519
Mailing Address224-d Cornwall Street, Nw, Suite 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (703) 443-8643
Fax(571) 291-2289
Sole ProprietorNo
Medical School CMSHoward University College Of MedicineGraduated 1999
Enumeration DateJuly 17, 2006
Last NPPES UpdateDecember 13, 20233 updates tracked since enumeration
NPPES CertifiedDecember 13, 2023
NPI 1821015561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in VA · 0101239935
Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedPlastic SurgeryTaxonomy 208200000X · License 0101239935 (VA)
44095 PIPELINE PLAZA, SUITE 430, Ashburn, VA 20147

Other Identifiers 1

Medicaid1821015561VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Timothy Scott Mountcastle Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820066293
PECOS Enrollment IDI20061110000291, I20080616000314
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
133 services133 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
59 services52 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
58 services28 patients
Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475
This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.
50 services26 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
50 services39 patients
Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less 14060
This procedure involves repairing a wound on the eyelids, nose, ears, or lips by moving a small piece of skin (10.0 sq cm or less) from one area to another. The goal is to heal the wound and restore the function and appearance of the affected area.
23 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20147 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Quality85.22
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Plastic and Reconstructive Surgery)
44095 PIPELINE PLAZA, SUITE 430
ASHBURN, VA 20147
Physician Assistant
44095 PIPELINE PLAZA, SUITE 430
ASHBURN, VA 20147

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821015561, enumerated as an "individual" on July 17, 2006.

The provider is located at 44095 PIPELINE PLAZA, SUITE 430 ASHBURN, VA 20147 and the phone number is (703) 858-3208.

Surgery with taxonomy code 208600000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Timothy Mountcastle is affiliated with: INOVA FAIR OAKS HOSPITAL.