Mary B. Preston, M.D.
Internal Medicine Physician · Orange, VA
Mary B. Preston, M.D. is an internal medicine physician with a practice address in Orange, Virginia, and NPI 1801965447, issued on Nov 7, 2006. Check the license (Virginia 0101058376, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Mary B. Preston
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101058376 VA
Self-reported in NPPES; status is on the state search - Practice location
- 661 University LN Ste B, Orange, VA 22960
- Phone
- (540) 661-3004
- Enumerated
- Nov 7, 2006
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (434) 244-4508
- Medicare enrollment
- Enrolled (PECOS I20060421000474); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 661 University LN Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Adams, PAPhysician Assistant1497909097
- Matthew Allen, MDInternal Medicine Physician1710440888
- Lien Dame, MDInternal Medicine Physician1760694475
- Julia Den Hartog, M.D.Internal Medicine Physician1750558870
- Tabor Flickinger, M.D.Internal Medicine Physician1811190598
- Stephen Flora, LPCProfessional Counselor1427240258
Verify Mary B. Preston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101058376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,132 Medicare Part D claims for 140 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 101 claims were for opioids.
Most prescribed
- Atorvastatin Calcium105 claims
- Lisinopril76 claims
- Gabapentin73 claims
- Amlodipine Besylate72 claims
- Simvastatin61 claims
- Losartan Potassium58 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: $161.90
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
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
- Central Virginia Health Services IncCharlottesville, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary B. Preston among 3,599 internal medicine physician records in Virginia
Mary B. Preston, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1979 · median 2003 among the 2,234 with a school on file
- Record last updated2020 · 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).
11 internal medicine physician records list a practice address in Orange
They are 11 of the 100 NPPES records with a practice address in Orange, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Orange → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Matthew Allen, MDOrange, VA 229601710440888
- Julia Connelly, M.D.Orange, VA 229601144383035
- Lien Dame, MDOrange, VA 229601760694475
- Julia Den Hartog, M.D.Orange, VA 229601750558870
- Tabor Flickinger, M.D.Orange, VA 229601811190598
- Caroline GolinoOrange, VA 229601245928092
- Verdena Jennings, D.OOrange, VA 229601821012816
- Anthony Marino, M.D.Orange, VA 229601205298809
Common questions
What is Mary B. Preston, M.D.'s NPI number?
Mary B. Preston, M.D.'s National Provider Identifier (NPI) is 1801965447, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary B. Preston, M.D. located?
The NPPES record lists a practice address at 661 University LN Ste B, Orange, VA, 22960. Phone: (540) 661-3004. Providers update this record themselves, so call before visiting.
How can I verify Mary B. Preston, M.D.'s license?
NPPES lists Virginia license number 0101058376, 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 Mary B. Preston, M.D. prescribe under Medicare Part D?
In 2024, Mary B. Preston, M.D. had 2,132 Medicare Part D claims for 140 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.