Robert Leroy Phillips, MD
Family Medicine Physician · Fairfax, VA
Robert Leroy Phillips, MD is a family medicine physician with a practice address in Fairfax, Virginia, and NPI 1437143591, issued on Sep 6, 2005. Check the license (Virginia 0101228279, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Robert Leroy Phillips
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0101228279 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3650 Joseph Siewick Dr, Fairfax, VA 22033
- Phone
- (703) 391-2020
- Enumerated
- Sep 6, 2005
- Record last updated
- Nov 27, 2023
- Fax
- (703) 391-1211
- Medicaid ID
- 05646685 VA
- Medicare enrollment
- Enrolled (PECOS I20120515000051); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 3650 Joseph Siewick Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine Booker, PTPhysical Therapist1023017076
Verify Robert Leroy Phillips in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101228279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
645 Medicare Part D claims for 47 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium46 claims
- Fluoxetine Hcl38 claims
- Metformin Hcl Er29 claims
- Famotidine22 claims
- Torsemide21 claims
- Benztropine Mesylate19 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 one group practice
- Inova Physician Partners LLCFairfax, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Leroy Phillips among 4,137 family medicine physician records in Virginia
Robert Leroy Phillips, 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
- Graduated1995 · 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).
189 family medicine physician records list a practice address in Fairfax
They are 189 of the 6,584 NPPES records with a practice address in Fairfax, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Fairfax → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lee Blecher, MDFairfax, VA 220331336133875
- Susan Burroughs, MDFairfax, VA 220331518951052
- Su Choi, M.D.Fairfax, VA 220331740289719
- Craig Clark, MDFairfax, VA 220331407840945
- Katherine Cole, MDFairfax, VA 220331508850660
- Thomas Ehrlich, MDFairfax, VA 220331447244181
- Alexander Krist, MDFairfax, VA 220331629062872
- Terence McCormally, MDFairfax, VA 220331255325890
Common questions
What is Robert Leroy Phillips, MD's NPI number?
Robert Leroy Phillips, MD's National Provider Identifier (NPI) is 1437143591, issued on Sep 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Leroy Phillips, MD located?
The NPPES record lists a practice address at 3650 Joseph Siewick Dr, Fairfax, VA, 22033. Phone: (703) 391-2020. Providers update this record themselves, so call before visiting.
How can I verify Robert Leroy Phillips, MD's license?
NPPES lists Virginia license number 0101228279, 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 Robert Leroy Phillips, MD prescribe under Medicare Part D?
In 2024, Robert Leroy Phillips, MD had 645 Medicare Part D claims for 47 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.