Dr. Rex B. Ruiz, MD
- Medicare services, 2024
- 946
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 4,081
- Hospital affiliations
- 2
- Industry payments
- $139
- Practice address
- 6201 Centreville Rd, Centreville, VA 20121
- Practice phone
- Call (703) 321-2609
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Physician Partners
Centreville, Virginia
Find Dr. Ruiz'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. Rex B. Ruiz is a family medicine physician in Centreville, Virginia
Dr. Ruiz practices at Inova Physician Partners in Centreville, Virginia.
Dr. Ruiz's NPI, 1063418762, was assigned on June 27, 2005. Dr. Ruiz graduated from Warren Alpert Medical School of Brown University in 1996. Dr. Ruiz holds Virginia license 0101222018.
- NPI
- 1063418762NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729115597
- NPI enumeration date
- June 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 321-2609
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rex B. Ruiz practices at Inova Physician Partners in Centreville, Virginia
Dr. Ruiz's primary practice is Inova Physician Partners, at 6201 Centreville Rd, Centreville, VA 20121 in Fairfax County. The practice phone is (703) 321-2609.
- Inova Physician Partners6201 Centreville Rd, Centreville, VA 20121 · Fairfax CountyPhone(703) 321-2609
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rex B. Ruiz is affiliated with 9 sites of care and 3 medical groups
Dr. Ruiz's primary practice is Inova Physician Partners in Centreville, Virginia. Dr. Ruiz is also affiliated with Inova Fair Oaks Hospital. The medical group on file is Fairfax Family Practice Centers. Dmand AI also links Dr. Ruiz to 1 more hospital, 3 group practices and clinics, 3 home health agencies and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Rex B. Ruiz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruiz practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Physician Partners | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rex B. Ruiz is one of 3,459 family medicine physicians in Virginia
Family medicine is Dr. Ruiz's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ruiz is licensed in Virginia.
Specialties and state licenses
- Family medicine, VirginiaPrimary
Family medicine physicians near Dr. Ruiz
Counts of family medicine physicians 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. Rex B. Ruiz billed Medicare for 946 services in 2024
CMS data shows 946 Medicare services from Dr. Ruiz across 14 procedure codes in 2024, for 152 Medicare patients. Medicare paid $72,352 for them. Every service was in an office.
Dr. Ruiz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3752024: 41811%
- Other services
- 2023: 882024: 362311%
- Tests and treatments
- 2023: 692024: 142106%
- Lab and pathology
- 2023: 432024: 2444%
Dr. Ruiz compared with the Virginia median for family medicine physicians, 2024
- Dr. Ruiz
- Virginia median
- Medicare services
- 946vs 54374% above
- Medicare patients
- 152vs 21730% below
- Part D claims
- 3,479vs 7214.8 times
Medians across 3,387 family medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Ruiz'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ruiz and other family medicine physicians in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rex B. Ruiz treated 152 Medicare patients in 2024, average age 74
CMS counts 152 Medicare patients who saw Dr. Ruiz in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ruiz's median patient age at 58, with 45% women.
Dr. Ruiz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ruiz's Medicare patients by sex, 2024
- Women7247%
- Men8053%
Chronic conditions among Dr. Ruiz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis43%
- Ischemic heart disease29%
- Diabetes26%
- Chronic kidney disease21%
- Mood disorders20%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ruiz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rex B. Ruiz wrote 4,081 Medicare Part D claims in 2024
In 2024, Dr. Ruiz wrote 4,081 Medicare Part D claims for 231 patients. 88% of them were for generic drugs. CMS names the drug for 3,479 of them, across 108 drugs with 11 or more claims each, at $241,241 in total drug cost. In 2023, CMS named 2,952 claims across 95 drugs.
Dr. Ruiz's Part D claims by kind of drug, 2024
- Generic3,602 claims88%
- Brand-name449 claims11%
- Other30 claims1%
Dr. Ruiz'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. Ruiz's Part D claims, 2024
- Opioids3%113 of 4,081 claims
- Antibiotics2%93 of 4,081 claims
- Antipsychotics, patients 65 and over0%17 of 4,081 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: 2,9522024: 3,47918%
Drugs named by CMS: 108 in 2024, 95 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. Rex B. Ruiz offers telehealth to Medicare patients
Dr. Ruiz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ruiz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rex B. Ruiz received $139 in industry payments from 2018 to 2025
CMS Open Payments shows 2 general payments to Dr. Ruiz from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $125.
General payments to Dr. Ruiz by program year, 2018 to 2025
Companies that paid Dr. Ruiz the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rex B. Ruiz graduated from Warren Alpert Medical School of Brown University
Dr. Ruiz graduated from Warren Alpert Medical School of Brown University in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rex B. Ruiz'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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. Rex B. Ruiz
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. Rex B. Ruiz's NPI number?
Dr. Rex B. Ruiz's NPI number is 1063418762. It was assigned on June 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Rex B. Ruiz?
Dr. Rex B. Ruiz is a family medicine physician in Centreville, Virginia. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Rex B. Ruiz practice?
Dr. Ruiz practices at 6201 Centreville Rd, Centreville, VA 20121. Dr. Ruiz's primary practice is Inova Physician Partners in Centreville, Virginia. Dmand AI also links Dr. Ruiz to 1 hospital, 3 group practices and clinics, 3 home health agencies and 2 medical groups.
What is Dr. Rex B. Ruiz's office phone number?
The practice phone on file for Dr. Ruiz is (703) 321-2609.
What is Dr. Rex B. Ruiz's medical license number?
Dr. Ruiz holds Virginia license 0101222018.
Which hospitals is Dr. Rex B. Ruiz affiliated with?
Dr. Ruiz is affiliated with Inova Fair Oaks Hospital. Dmand AI links Dr. Ruiz to 1 more hospital.
What medical group is Dr. Rex B. Ruiz part of?
Dr. Ruiz is linked to Fairfax Family Practice Centers. Dmand AI links Dr. Ruiz to 2 more medical groups.
Does Dr. Rex B. Ruiz accept Medicare?
Yes. CMS data shows Dr. Ruiz billed Medicare for 946 services in 2024, and Dr. Ruiz accepts Medicare assignment.
Does Dr. Rex B. Ruiz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ruiz as offering telehealth services.
How many Medicare patients does Dr. Rex B. Ruiz see?
CMS counts 152 Medicare patients who saw Dr. Ruiz in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Rex B. Ruiz bill to Medicare?
In 2024, Dr. Ruiz's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).
Where did Dr. Rex B. Ruiz go to medical school?
Dr. Ruiz graduated from Warren Alpert Medical School of Brown University in 1996.
What drugs does Dr. Rex B. Ruiz prescribe most?
In 2024 Medicare Part D data, Dr. Ruiz's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Rex B. Ruiz received payments from drug or device companies?
CMS Open Payments shows $139 in general payments to Dr. Ruiz from 2 companies from 2018 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Rex B. Ruiz been practicing?
Dr. Ruiz graduated from medical school in 1996, 30 years ago.
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