Active NPI 1821015561 Individual Practitioner Male Practitioner

Dr. Timothy Scott Mountcastle , MD

Surgery • Ashburn, VA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Timothy Mountcastle, MD is a certified Surgery practicing in Ashburn, VA. With approximately 27 years of clinical experience since graduating from Howard University College Of Medicine in 1999, Dr. Mountcastle delivers high-quality medical care to the local community at 44095 PIPELINE PLAZA, SUITE 430.

Dr. Mountcastle is affiliated with Loudoun Medical Group, Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

44095 Pipeline Plaza, Suite 430

Ashburn, VA 201477519

Telephone 7038583208

Fax 5712912289

Associated Practice Facility / Clinic

🏢 Loudoun Medical Group, Pc Facility NPI 1346517877

Medicare Profile & Education

Medical School

Howard University College Of Medicine

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Ashburn, VA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs Matches City Avg

City Avg: 27.0 Yrs

State Avg: 24.6 Yrs

Regional Practice Density

1 Specialists

Practicing in Ashburn, VA (909 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mountcastle (27 Years) 27 Yrs

Ashburn Specialty Average (27.0 Years) 27.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	133	133	$331.00	$107.18
99213 Established patient office or other outpatient visit, typically 15 minutes	59	52	$190.00	$87.18
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	58	28	$600.00	$112.76
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	50	26	$5400.00	$1000.52
93970 Ultrasound study of arm or leg veins with compression and maneuvers	50	39	$828.00	$178.67
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	23	22	$1822.00	$730.70
21011 Removal of (less than 2 centimeter) tissue growth beneath the skin of face and scalp	19	17	$762.00	$335.87
12051 Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.5 cm or less	16	16	$610.00	$256.01
11442 Removal of noncancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	14	14	$428.00	$90.07
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	12	12	$701.00	$220.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	128	128	$331.00	$107.19
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	82	49	$600.00	$117.34
99213 Established patient office or other outpatient visit, typically 15 minutes	55	44	$190.00	$88.78
93970 Ultrasound study of arm or leg veins with compression and maneuvers	42	37	$828.00	$183.06
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	41	20	$5400.00	$1071.99
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	26	24	$1822.00	$749.84
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	16	13	$701.00	$245.27
11402 Removal of noncancer skin growth of body, arms, or legs, 1.1-2.0 cm	14	11	$374.00	$85.23
14061 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.1-30.0 sq cm	13	13	$2429.00	$981.36
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	13	13	$548.00	$221.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	77	43	$600.00	$116.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	73	73	$331.00	$110.02
93970 Ultrasound study of arm or leg veins with compression and maneuvers	59	50	$828.00	$188.10
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	45	24	$5400.00	$1038.79
99213 Established patient office or other outpatient visit, typically 15 minutes	42	30	$190.00	$90.36
11442 Removal of noncancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	22	16	$428.00	$93.44
21011 Removal of (less than 2 centimeter) tissue growth beneath the skin of face and scalp	14	11	$762.00	$294.81
12052 Repair of wound (2.6 to 5.0 centimeters) of face, ears, eyelids, nose, lips, and/or mouth	11	11	$610.00	$285.56
12051 Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.5 cm or less	11	11	$610.00	$266.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$331.00	$110.21
93970 Ultrasound study of arm or leg veins with compression and maneuvers	87	67	$828.00	$196.34
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	82	46	$600.00	$119.44
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	76	37	$5400.00	$1254.40
99213 Established patient office or other outpatient visit, typically 15 minutes	59	42	$190.00	$90.40
21011 Removal of (less than 2 centimeter) tissue growth beneath the skin of face and scalp	18	17	$762.00	$360.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$415.00	$169.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	102	102	$331.00	$108.43
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	65	40	$600.00	$123.96
93970 Ultrasound study of arm or leg veins with compression and maneuvers	62	52	$828.00	$199.02
99213 Established patient office or other outpatient visit, typically 15 minutes	56	28	$190.00	$70.02
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	49	29	$5400.00	$1373.35
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	12	$160.00	$46.11
21011 Removal of (less than 2 centimeter) tissue growth beneath the skin of face and scalp	11	11	$762.00	$354.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	121	121	$331.00	$108.19
93970 Ultrasound study of arm or leg veins with compression and maneuvers	62	57	$828.00	$192.66
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	60	32	$600.00	$120.95
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	47	28	$5400.00	$1434.57
99213 Established patient office or other outpatient visit, typically 15 minutes	47	37	$190.00	$72.81
11441 Removal of growth (0.6 to 1.0 centimeters) of the face, ears, eyelids, nose, lips, or mouth	19	11	$378.00	$107.92
11442 Removal of noncancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	18	13	$428.00	$119.68
12051 Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.5 cm or less	16	13	$610.00	$222.03
11642 Removal of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	15	12	$739.00	$215.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	134	134	$331.00	$105.88
93970 Ultrasound study of arm or leg veins with compression and maneuvers	72	57	$828.00	$193.36
99213 Established patient office or other outpatient visit, typically 15 minutes	43	36	$190.00	$71.34
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	37	23	$5400.00	$1503.02
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	30	20	$600.00	$120.23
13101 Complicated repair of wound of trunk, 2.6-7.5 cm	27	24	$908.00	$343.49
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	14	12	$622.00	$158.57
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	14	12	$526.00	$159.12
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	11	11	$548.00	$174.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	95	95	$331.00	$102.05
93970 Ultrasound study of arm or leg veins with compression and maneuvers	72	59	$828.00	$185.45
99213 Established patient office or other outpatient visit, typically 15 minutes	66	34	$190.00	$71.30
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	47	27	$5400.00	$1441.00
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	45	27	$600.00	$118.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$415.00	$161.42
12051 Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.5 cm or less	14	13	$610.00	$184.30
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	11	11	$548.00	$208.65

Medical Specialties & State Licenses

CMS Verified: 2023-12-13

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License VA 0101239935

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.

Plastic Surgery

NUCC Taxonomy Code: 208200000X

State License VA 0101239935

A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1821015561 (VA)

Hospital & Practice Group Affiliations

Loudoun Medical Group, Pc

44095 Pipeline Plz, Ashburn, VA 201477519

Phone: 7038583208

Loudoun Medical Group, Pc

6355 Walker Ln, Alexandria, VA 223103247

Phone: 7033137700

Loudoun Medical Group, Pc

20955 Professional Plz, Ashburn, VA 201473405

Phone: 7037297652

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Meredith West , PA-C

Physician Assistant

NPI 1225278260

Physician Assistant (Certified)

Shannon Synoracki , PA-C

Physician Assistant

NPI 1659772200

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events

📍

Updated Practice Location December 13, 2023

Registered at 44095 PIPELINE PLAZA, SUITE 430, ASHBURN, VA 201477519 (Tel: 7038583208)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 13, 2023

Plastic Surgery (License #0101239935 in VA)

📍

Updated Practice Location September 26, 2022

Registered at 44095 PIPELINE PLAZA, SUITE 430, ASHBURN, VA 201475898 (Tel: 7038583208)

📍

Updated Business Mailing Address September 26, 2022

Registered at 224-D CORNWALL STREET, NW, SUITE 403, LEESBURG, VA 201762704 (Tel: 7037376010)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2022

Surgery (License #0101239935 in VA)

📍

Updated Business Mailing Address April 29, 2020

Registered at 224D CORNWALL ST NW STE 403, LEESBURG, VA 201762704 (Tel: 7037376001)

✅

NPI Profile Active August 27, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location August 27, 2012

Registered at 44095 PIPELINE PLZ, SUITE 430, ASHBURN, VA 201475898 (Tel: 7038583208)

📍

Updated Business Mailing Address August 27, 2012

Registered at PO BOX 17334, BALTIMORE, MD 212971334 (Tel: 7034436717)

👤

Provider Name / Credentials Updated August 27, 2012

Recorded as TIMOTHY MOUNTCASTLE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 27, 2012

Plastic Surgery (License #0101239935 in VA)

🟢

Initial NPI Registration & Enumeration July 17, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1821015561

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 17, 2006

Last Update: December 13, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

224-D Cornwall Street, Nw, Suite 403

Leesburg, VA 201762704

Phone: 7037376010

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.