NPPES file of Aug 9, 2026

Ralph Albert Leon, MD

Family Medicine Physician · Sterling, VA

Ralph Albert Leon, MD is a family medicine physician with a practice address in Sterling, Virginia, and NPI 1891789459, issued on Sep 9, 2005. Check the license (Virginia 0101233437, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891789459
Name
Ralph Albert Leon
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0101233437 VA
Self-reported in NPPES; status is on the state search
Practice location
46440 Benedict Drive, Suite 107, Sterling, VA 20164
Phone
(703) 450-1125
Enumerated
Sep 9, 2005
Record last updated
Apr 10, 2024
Fax
(703) 450-1145
Medicaid IDs
30016324280001 VA
05646278 VA
1891789459 VA
Medicare enrollment
Enrolled (PECOS I20110307000993); accepts Medicare assignment
Medical or professional school
University Of South Florida College Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 46440 Benedict Drive, Suite 107

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laurel Blymyer, FNP-CFamily Nurse Practitioner1124334750
  2. Jessica GeberthFamily Nurse Practitioner1538901210
  3. Kaitlyn Johnson, FNP-CFamily Nurse Practitioner1285581934
  4. Shelby KloosterboerPhysician Assistant1679105530
  5. Rhonda Martin, M.D.Family Medicine Physician1861870222
  6. Valerie Piccolo, PAPhysician Assistant1740764117

Verify Ralph Albert Leon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101233437
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% fewer Medicare Part D claims than the average family medicine physician in 2024

3,355 Medicare Part D claims for 217 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 14 claims were for opioids.

  1. Ralph Leon3,355
  2. Specialty average3,544

Most prescribed

  1. Rosuvastatin Calcium277 claims
  2. Levothyroxine Sodium210 claims
  3. Pravastatin Sodium150 claims
  4. Montelukast Sodium95 claims
  5. Metformin Hcl Er92 claims
  6. Celecoxib76 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 MIPS final score for 2023 (Medicare payment program): 92.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $833.86

48 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ralph Leon$833.86
  2. Specialty average$902.55

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

  1. Loudoun Medical Group, PCSterling, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ralph Albert Leon among 4,137 family medicine physician records in Virginia

Ralph Albert Leon, 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
  • Graduated1989 · median 2004 among the 2,426 with a school on file
  • Record last updated2024 · 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).

22 family medicine physician records list a practice address in Sterling

They are 22 of the 1,057 NPPES records with a practice address in Sterling, and 4,137 family medicine physician records in Virginia.

The 8 family medicine physician records with the nearest ZIP codes

  1. Raju Alluri, MDSterling, VA 201641023571155
  2. Kyung AuhSterling, VA 201641760846794
  3. Jeffrey MartinSterling, VA 201641942379573
  4. Rhonda Martin, M.D.Sterling, VA 201641861870222
  5. Nail Miakhel, M.D.Sterling, VA 201641366741753
  6. Veena Railan, MDSterling, VA 201641932260114
  7. Ashley Rose, M.D.Sterling, VA 201641356756563
  8. Liana Seneriches, D.O.Sterling, VA 201641689730848

Common questions

What is Ralph Albert Leon, MD's NPI number?

Ralph Albert Leon, MD's National Provider Identifier (NPI) is 1891789459, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Albert Leon, MD located?

The NPPES record lists a practice address at 46440 Benedict Drive, Suite 107, Sterling, VA, 20164. Phone: (703) 450-1125. Providers update this record themselves, so call before visiting.

How can I verify Ralph Albert Leon, MD's license?

NPPES lists Virginia license number 0101233437, 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 Ralph Albert Leon, MD prescribe under Medicare Part D?

In 2024, Ralph Albert Leon, MD had 3,355 Medicare Part D claims for 217 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Ralph Albert Leon, MD's MIPS final score?

The 2023 MIPS final score is 92.6 of 100. 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.