Rex B. Ruiz, MD
Family Medicine Physician · Centreville, VA
Rex B. Ruiz, MD is a family medicine physician with a practice address in Centreville, Virginia, and NPI 1063418762, issued on Jun 27, 2005. Check the license (Virginia 0101222018, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Rex B. Ruiz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0101222018 VA
Self-reported in NPPES; status is on the state search - Practice location
- 6201 Centreville RD, Centreville, VA 20121
- Phone
- (703) 263-9600
- Enumerated
- Jun 27, 2005
- Record last updated
- Nov 27, 2023
- Fax
- (703) 266-1452
- Medicaid ID
- 5619050 VA
- Medicare enrollment
- Enrolled (PECOS I20100427000702); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 6201 Centreville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah AdamsFamily Nurse Practitioner1063307452
- Barbra Almond, OTOccupational Therapist1962401018
- Meliza Barillo, DPTPhysical Therapist1659703692
- Janine Brown, MDFamily Medicine Physician1699771394
- William Carter, MDFamily Medicine Physician1164428801
- Lenore Day, M.D.Family Medicine Physician1245236926
Verify Rex B. Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101222018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average family medicine physician in 2024
4,081 Medicare Part D claims for 231 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 113 claims were for opioids.
Most prescribed
- Atorvastatin Calcium267 claims
- Rosuvastatin Calcium143 claims
- Amlodipine Besylate138 claims
- Levothyroxine Sodium134 claims
- Pantoprazole Sodium116 claims
- Metformin Hcl Er108 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.
Bills Medicare through 2 group practices
- Fairfax Family Practice Centers PCCentreville, VA
- Inova Physician Partners LLCCentreville, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rex B. Ruiz among 4,137 family medicine physician records in Virginia
Rex B. Ruiz, MD is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1996 · median 2004 among the 2,426 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Centreville
They are 25 of the 518 NPPES records with a practice address in Centreville, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Centreville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Bowles, M.D.Centreville, VA 201211619909728
- Janine Brown, MDCentreville, VA 201211699771394
- William Carter, MDCentreville, VA 201211164428801
- Lenore Day, M.D.Centreville, VA 201211245236926
- Emily Faltemier, MDCentreville, VA 201211770759524
- Michael Filak, M.D.Centreville, VA 201211487657136
- Traci Jones, D.O.Centreville, VA 201211184689275
- Janice Keyes, MDCentreville, VA 201211194810358
Common questions
What is Rex B. Ruiz, MD's NPI number?
Rex B. Ruiz, MD's National Provider Identifier (NPI) is 1063418762, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rex B. Ruiz, MD located?
The NPPES record lists a practice address at 6201 Centreville RD, Centreville, VA, 20121. Phone: (703) 263-9600. Providers update this record themselves, so call before visiting.
How can I verify Rex B. Ruiz, MD's license?
NPPES lists Virginia license number 0101222018, 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 Rex B. Ruiz, MD prescribe under Medicare Part D?
In 2024, Rex B. Ruiz, MD had 4,081 Medicare Part D claims for 231 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.