Ronald D. Deguzman, M.D.
Allergy & Immunology Physician · Fort Belvoir, VA
Ronald D. Deguzman, M.D. is an allergy & immunology physician with a practice address in Fort Belvoir, Virginia, and NPI 1184614679, issued on Oct 26, 2005. Check the license (Virginia 0101252548, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Ronald D. Deguzman
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 0101252548 VA
G75867 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 Dewitt Loop, Fort Belvoir, VA 22060
- Phone
- (571) 231-1812
- Enumerated
- Oct 26, 2005
- Record last updated
- Jun 9, 2022
- Fax
- (571) 231-6620
- Entity
- Type 1 · individual
Also registered at 9300 Dewitt Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neaha AamirClinical Social Worker1114491305
- Tsion AbebeNurse Practitioner1457902736
- Daniel Abeel, P.A.-CPhysician Assistant1770503070
- Adnan Ahmad, M.D.Psychiatry Physician1043493968
- Syed Ahmed, MDOrthopaedic Surgery Physician1629059639
- Zarmina Ahmed-Yusufi, M.DInternal Medicine Physician1972720258
Verify Ronald D. Deguzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101252548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
27 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $112.53
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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.
Allergy & Immunology Physician providers in Virginia
There are 136 allergy & immunology physician records in Virginia.
Other allergy & immunology physician records in Virginia
- Parasmani Acharya, M.D.Pulaski, VA1932110343
- Veronica AlixHampton, VA1023470838
- Darshana Alle, M.D.Henrico, VA1346458106
- Oral Alpan, MDSpringfield, VA1881788610
- Donald Asbury, MDBluefield, VA1164529889
- Kestutis Aukstuolis, DOVienna, VA1831400548
- Balraj Bajaj, M.DRichmond, VA1760869754
- Troy Baker, D.O.Mc Lean, VA1023164910
- Kenneth Berger, M.D.Falls Church, VA1760590558
- Courtney Blair, M.D.Mc Lean, VA1730121344
Common questions
What is Ronald D. Deguzman, M.D.'s NPI number?
Ronald D. Deguzman, M.D.'s National Provider Identifier (NPI) is 1184614679, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald D. Deguzman, M.D. located?
The NPPES record lists a practice address at 9300 Dewitt Loop, Fort Belvoir, VA, 22060. Phone: (571) 231-1812. Providers update this record themselves, so call before visiting.
How can I verify Ronald D. Deguzman, M.D.'s license?
NPPES lists Virginia license number 0101252548, 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 Ronald D. Deguzman, M.D. prescribe under Medicare Part D?
In 2024, Ronald D. Deguzman, M.D. had 27 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. 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.