Samuel Mark Shor, M.D.
Internal Medicine Physician · Reston, VA
Samuel Mark Shor, M.D. is an internal medicine physician with a practice address in Reston, Virginia, and NPI 1184611964, issued on Oct 5, 2005. Check the license (Virginia 101036333, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Samuel Mark Shor
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 101036333 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1860 Town Center Dr, Reston, VA 20190
- Phone
- (703) 709-1119
- Enumerated
- Oct 5, 2005
- Record last updated
- Jan 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (703) 709-7496
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
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Verify Samuel Mark Shor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 101036333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,351 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Levothyroxine Sodium105 claims
- Liothyronine Sodium68 claims
- Hydroxychloroquine Sulfate39 claims
- Trazodone Hcl39 claims
- Gabapentin36 claims
- Cyclobenzaprine Hcl34 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: $92.04
4 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Samuel Mark Shor among 3,599 internal medicine physician records in Virginia
Samuel Mark Shor, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2012 · 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).
56 internal medicine physician records list a practice address in Reston
They are 56 of the 1,676 NPPES records with a practice address in Reston, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Reston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Farah Abdulsalam, MDReston, VA 201901417952367
- Natasha Chen, MDReston, VA 201901174514012
- Tessa Cholmondeley, MDReston, VA 201901124132873
- Anne Rose Eapen, M.D.Reston, VA 201901689661431
- Chun Hong, MD PHDReston, VA 201901003844960
- Navleen Kaur, M.D.Reston, VA 201901215966403
- Padmalatha Kona, MDReston, VA 201901558333427
- Peter Kongstvedt, M.D.Reston, VA 201901295772275
Common questions
What is Samuel Mark Shor, M.D.'s NPI number?
Samuel Mark Shor, M.D.'s National Provider Identifier (NPI) is 1184611964, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Mark Shor, M.D. located?
The NPPES record lists a practice address at 1860 Town Center Dr, Reston, VA, 20190. Phone: (703) 709-1119. Providers update this record themselves, so call before visiting.
How can I verify Samuel Mark Shor, M.D.'s license?
NPPES lists Virginia license number 101036333, 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 Samuel Mark Shor, M.D. prescribe under Medicare Part D?
In 2024, Samuel Mark Shor, M.D. had 1,351 Medicare Part D claims for 59 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.