William Randolph Mook, M.D.
Orthopaedic Surgery Physician · Reston, VA
William Randolph Mook, M.D. is an orthopaedic surgery physician with a practice address in Reston, Virginia, and NPI 1528201134, issued on Apr 13, 2009. Check the license (Virginia 0101258773, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- William Randolph Mook
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 0101258773 VA
53419 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Town Center Pkwy, Reston, VA 20190
- Phone
- (703) 810-5202
- Enumerated
- Apr 13, 2009
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (703) 810-5420
- Medicare enrollment
- Enrolled (PECOS I20150813009462); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 586 in Virginia → Look up another NPI →
Also registered at 1850 Town Center Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdi AbdirahmanSurgical Assistant1548149602
- Alice Ahlgren, M.D.Anatomic Pathology & Clinical Pathology Physician1063422160
- Behjat Alemi, MDNeonatal-Perinatal Medicine Physician1699763961
- Jennifer Allmon, MSPTPhysical Therapist1740208453
- Amene Amanpour, CRNACertified Registered Nurse Anesthetist1588805402
- Saad Amin, M.D.Emergency Medicine Physician1134410020
Verify William Randolph Mook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101258773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
152 Medicare Part D claims for 96 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Diclofenac Sodium43 claims
- Amoxicillin22 claims
- Methylprednisolone22 claims
- Celecoxib20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $318.23
7 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orthovirginia IncReston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Randolph Mook among 586 orthopaedic surgery physician records in Virginia
William Randolph Mook, M.D. is one of 586 orthopaedic surgery physician records with a practice address in Virginia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2009 · median 2003 among the 358 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Virginia
There are 586 orthopaedic surgery physician records in Virginia.
All 586 in Virginia → Every provider in Reston → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- George Aguiar, MDReston, VA 201901750308086
- Aaron Carter, M.D.Reston, VA 201901649569096
- Thomas Fleeter, M.D.Reston, VA 201901700885035
- Mark Hartley, MDReston, VA 201901285655035
- George Kartalian, Jr., M.D.Reston, VA 201901366437493
- Thomas Klein, MDReston, VA 201901477575298
- Mark Madden, MDReston, VA 201901578584322
- Behrang Mazahery, MDReston, VA 201901225051295
Common questions
What is William Randolph Mook, M.D.'s NPI number?
William Randolph Mook, M.D.'s National Provider Identifier (NPI) is 1528201134, issued on Apr 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William Randolph Mook, M.D. located?
The NPPES record lists a practice address at 1850 Town Center Pkwy, Reston, VA, 20190. Phone: (703) 810-5202. Providers update this record themselves, so call before visiting.
How can I verify William Randolph Mook, M.D.'s license?
NPPES lists Virginia license number 0101258773, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Randolph Mook, M.D. prescribe under Medicare Part D?
In 2024, William Randolph Mook, M.D. had 152 Medicare Part D claims for 96 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is William Randolph Mook, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.