NPPES file of Aug 9, 2026

Jonathan L. Siddon, D.O.

Internal Medicine Physician · Gainesville, VA

Jonathan L. Siddon, D.O. is an internal medicine physician with a practice address in Gainesville, Virginia, and NPI 1003194218, issued on Jul 22, 2011. Check the license (Virginia 0102203729, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003194218
Name
Jonathan L. Siddon
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
0102203729 VA
Self-reported in NPPES; status is on the state search
Practice location
7051 Heathcote Village Way Ste 140, Gainesville, VA 20155
Phone
(571) 685-4388
Enumerated
Jul 22, 2011
Record last updated
Apr 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(703) 743-5275
Medicare enrollment
Enrolled (PECOS I20140729000247); accepts Medicare assignment
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 7051 Heathcote Village Way Ste 140

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

  1. Madison Butz, PA-CPhysician Assistant1528768959
  2. Nidhi Patel, PA-CMedical Physician Assistant1013804293

Verify Jonathan L. Siddon 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 0102203729
    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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2% fewer Medicare Part D claims than the average internal medicine physician in 2024

3,113 Medicare Part D claims for 303 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 22 claims were for opioids.

  1. Jonathan Siddon3,113
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium188 claims
  2. Levothyroxine Sodium181 claims
  3. Losartan Potassium168 claims
  4. Amlodipine Besylate151 claims
  5. Simvastatin121 claims
  6. Lisinopril110 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.

Industry payments in 2024: $777.11

36 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Siddon$777.11
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Legacy Healthcare Services IncBurke, VA
  2. Privia Medical Group, LLCManassas, VA

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

Jonathan L. Siddon among 3,599 internal medicine physician records in Virginia

Jonathan L. Siddon, D.O. is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2011 · median 2003 among the 2,234 with a school on file
  • Record last updated2021 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 internal medicine physician records list a practice address in Gainesville

They are 9 of the 546 NPPES records with a practice address in Gainesville, and 3,599 internal medicine physician records in Virginia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alok Gupta, MDGainesville, VA 201551164429510
  2. Julian Hoang, DOGainesville, VA 201551346674512
  3. Pallavi Kashyap, DOGainesville, VA 201551235190893
  4. Ludmila Kissi, M.D.Gainesville, VA 201551477723260
  5. Miriam Lender, MDGainesville, VA 201551134389612
  6. Vipul Parikh, M.D.Gainesville, VA 201551023165685
  7. Mina Salehi, MDGainesville, VA 201551346408580
  8. Balwinder Singh, M.D.Gainesville, VA 201551740376144

Common questions

What is Jonathan L. Siddon, D.O.'s NPI number?

Jonathan L. Siddon, D.O.'s National Provider Identifier (NPI) is 1003194218, issued on Jul 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan L. Siddon, D.O. located?

The NPPES record lists a practice address at 7051 Heathcote Village Way Ste 140, Gainesville, VA, 20155. Phone: (571) 685-4388. Providers update this record themselves, so call before visiting.

How can I verify Jonathan L. Siddon, D.O.'s license?

NPPES lists Virginia license number 0102203729, 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 Jonathan L. Siddon, D.O. prescribe under Medicare Part D?

In 2024, Jonathan L. Siddon, D.O. had 3,113 Medicare Part D claims for 303 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.