Dr. Timothy Scott Mountcastle, MD
- Medicare services, 2024
- 434
- Medicare patients, 2024
- 206
- Part D claims, 2024
- 56
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 211 Gibson NW St, Leesburg, VA 20176
- Practice phone
- Call (571) 707-2085
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
LMG Cornwall Urgent Care
Urgent Care Center · Leesburg, Virginia
Find Dr. Mountcastle's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Timothy Scott Mountcastle is a general surgeon in Leesburg, Virginia
Dr. Mountcastle practices at LMG Cornwall Urgent Care in Leesburg, Virginia.
Dr. Mountcastle's NPI, 1821015561, was assigned on July 17, 2006. Dr. Mountcastle graduated from Howard University College of Medicine in 1999. Dr. Mountcastle holds Virginia license 0101239935.
- NPI
- 1821015561NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820066293
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (571) 707-2085
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy Scott Mountcastle practices at LMG Cornwall Urgent Care in Leesburg, Virginia
Dr. Mountcastle's primary practice is LMG Cornwall Urgent Care, at 211 Gibson NW St, Leesburg, VA 20176. The practice phone is (571) 707-2085.
- LMG Cornwall Urgent Care211 Gibson NW St, Leesburg, VA 20176Phone(571) 707-2085
Source: Dmand AI Affiliation Data
Dr. Timothy Scott Mountcastle is affiliated with 4 sites of care and 2 medical groups
Dr. Mountcastle's primary practice is LMG Cornwall Urgent Care in Leesburg, Virginia. Dr. Mountcastle is also affiliated with Inova Fair Oaks Hospital. The medical group on file is Loudoun Medical Group. Dmand AI also links Dr. Mountcastle to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy Scott Mountcastle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mountcastle practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| LMG Cornwall Urgent Care | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Timothy Scott Mountcastle is one of 739 general surgeons in Virginia
Surgery is Dr. Mountcastle's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mountcastle is licensed in Virginia.
Specialties and state licenses
- Surgery, VirginiaPrimary
General surgeons near Dr. Mountcastle
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Timothy Scott Mountcastle billed Medicare for 434 services in 2024
CMS data shows 434 Medicare services from Dr. Mountcastle across 10 procedure codes in 2024, for 206 Medicare patients. Medicare paid $89,858 for them. Every service was in an office.
Dr. Mountcastle's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1832024: 1925%
- Surgery
- 2023: 1232024: 1349%
- Tests and treatments
- 2023: 1242024: 10813%
Dr. Mountcastle compared with the Virginia median for general surgeons, 2024
- Dr. Mountcastle
- Virginia median
- Medicare services
- 434vs 1902.3 times
- Medicare patients
- 206vs 14443% above
- Part D claims
- 16vs 3453% below
Medians across 667 general surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Mountcastle's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mountcastle?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mountcastle and other general surgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Scott Mountcastle treated 206 Medicare patients in 2024, average age 75
CMS counts 206 Medicare patients who saw Dr. Mountcastle in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mountcastle's median patient age at 47, with 64% women.
Dr. Mountcastle's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mountcastle's Medicare patients by sex, 2024
- Women13365%
- Men7335%
Chronic conditions among Dr. Mountcastle's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis53%
- Anxiety20%
- Cancer20%
- Diabetes20%
- Ischemic heart disease19%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mountcastle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy Scott Mountcastle wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Mountcastle wrote 56 Medicare Part D claims for 39 patients. 98% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $89 in total drug cost. In 2023, CMS named 43 claims across 2 drugs.
Dr. Mountcastle's Part D claims by kind of drug, 2024
- Generic55 claims98%
- Brand-name and other1 claims2%
Dr. Mountcastle's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mountcastle's Part D claims, 2024
- Antibiotics38%21 of 56 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 432024: 1663%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Timothy Scott Mountcastle scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Mountcastle for performance year 2024, reported through an alternative payment model (APM). Dr. Mountcastle accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of melanoma (skin cancer) excision by Dr. Mountcastle, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Mountcastle's MIPS scores, performance year 2024
- 93of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Mountcastle ranks in Medicare procedure volume
- Varicose vein removal
- 75th percentile55 procedures
- Melanoma (skin cancer) excision
- 81st percentile32 procedures
- Mastectomy
- 70th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Timothy Scott Mountcastle received $14,766 in industry payments from 2016 to 2025
CMS Open Payments shows 130 general payments to Dr. Mountcastle from 17 drug and device companies from 2016 to 2025. Gifts make up the largest share, 81% of the total. Allergan Inc. paid the most, $13,338.
General payments to Dr. Mountcastle by program year, 2016 to 2025
General payments to Dr. Mountcastle by kind, 2016 to 2025
- Gifts$11,97981%
- Food and beverage$2,78719%
Companies that paid Dr. Mountcastle the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Scott Mountcastle graduated from Howard University College of Medicine
Dr. Mountcastle graduated from Howard University College of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy Scott Mountcastle's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Timothy Scott Mountcastle
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Timothy Scott Mountcastle's NPI number?
Dr. Timothy Scott Mountcastle's NPI number is 1821015561. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Scott Mountcastle?
Dr. Timothy Scott Mountcastle is a general surgeon in Leesburg, Virginia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Timothy Scott Mountcastle practice?
Dr. Mountcastle practices at 211 Gibson NW St, Leesburg, VA 20176. Dr. Mountcastle's primary practice is LMG Cornwall Urgent Care in Leesburg, Virginia. Dmand AI also links Dr. Mountcastle to 2 group practices and clinics and 1 medical group.
What is Dr. Timothy Scott Mountcastle's office phone number?
The practice phone on file for Dr. Mountcastle is (571) 707-2085.
What is Dr. Timothy Scott Mountcastle's medical license number?
Dr. Mountcastle holds Virginia license 0101239935.
Which hospitals is Dr. Timothy Scott Mountcastle affiliated with?
Dr. Mountcastle is affiliated with Inova Fair Oaks Hospital.
What medical group is Dr. Timothy Scott Mountcastle part of?
Dr. Mountcastle is linked to Loudoun Medical Group. Dmand AI links Dr. Mountcastle to 1 more medical group.
Does Dr. Timothy Scott Mountcastle accept Medicare?
Yes. CMS data shows Dr. Mountcastle billed Medicare for 434 services in 2024, and Dr. Mountcastle accepts Medicare assignment.
What is Dr. Timothy Scott Mountcastle's MIPS score?
Dr. Mountcastle's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Timothy Scott Mountcastle see?
CMS counts 206 Medicare patients who saw Dr. Mountcastle in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Timothy Scott Mountcastle bill to Medicare?
In 2024, Dr. Mountcastle's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and blood vessel study (93971).
Where did Dr. Timothy Scott Mountcastle go to medical school?
Dr. Mountcastle graduated from Howard University College of Medicine in 1999.
What drugs does Dr. Timothy Scott Mountcastle prescribe most?
In 2024 Medicare Part D data, Dr. Mountcastle's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim.
Has Dr. Timothy Scott Mountcastle received payments from drug or device companies?
CMS Open Payments shows $14,766 in general payments to Dr. Mountcastle from 17 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Timothy Scott Mountcastle been practicing?
Dr. Mountcastle graduated from medical school in 1999, 27 years ago.
Selling to surgery practices?
See general surgeons in Virginia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card