Doctor profile · Federal record

Dr. Mary Preston, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Orange, VA

  • NPI 1801965447
  • Accepts Medicare
  • 47 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
661 University Ln Ste B
Orange, VA 229602243
(540) 661-3004
fax (434) 244-4508
Mailing address
500 Court Sq
Charlottesville, VA 229025141

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 28, 2020
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Virginia #0101058376

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801965447. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15
Distinct HCPCS
1
Medicare allowed
$143
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 15 12 $10

In context: peer comparison

Among 3 peers in Orange Internal Medicine Physician, average services per provider: 117. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$162
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $81.06
Pfizer INC. 2 $33.80
Merck Sharp & Dohme LLC 1 $25.84
Astellas Pharma US INC 1 $21.20

By nature of payment

Food and Beverage
$162

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
839
Patients
192
Total drug cost
$12,733
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 107 29 $1,401
Gabapentin Generic 73 14 $1,718
Amlodipine Besylate Generic 66 20 $561
Lisinopril Generic 65 22 $604
Simvastatin Generic 64 17 $550
Levothyroxine Sodium Generic 56 17 $1,072
Omeprazole Generic 56 15 $980
Escitalopram Oxalate Generic 53 0 $780
Hydrochlorothiazide Generic 50 15 $146
Losartan Potassium Generic 49 17 $396

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Preston's medical specialty?
Dr. Mary Preston practices Internal Medicine Physician in Orange, VA.
Where does Dr. Mary Preston practice?
Dr. Mary Preston practices at 661 University Ln Ste B, Orange, VA 229602243. Office phone: 5406613004.
What is Dr. Mary Preston's NPI?
Dr. Mary Preston's National Provider Identifier (NPI) is 1801965447, issued by NPPES.
Does Dr. Mary Preston accept Medicare assignment?
Yes. Dr. Mary Preston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Preston commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.