Doctor profile · Federal record

Dr. Maria Tayag, MD

Internal Medicine Physician (CMS: Hospitalist) · Winchester, VA

  • NPI 1669485181
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1840 Amherst St
Winchester, VA 226012808
(540) 536-4334

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
November 3, 2020
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Virginia #0101255981

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669485181. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,168
Distinct HCPCS
6
Medicare allowed
$115,541
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 450 221 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 370 231 $116
99239 Hospital discharge day management, more than 30 minutes 230 222 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 49 48 $169
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 42 11 $48
99497 Advance care planning, first 30 minutes 27 27 $74

In context: peer comparison

Among 31 peers in Winchester Internal Medicine Physician, average services per provider: 197. This provider delivers 5.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$242
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $71.86
AstraZeneca Pharmaceuticals Lp 3 $60.11
Merck Sharp & Dohme LLC 2 $45.11
Vertex Pharmaceuticals Incorporated 2 $44.52
Janssen Pharmaceuticals, INC 1 $20.66

By nature of payment

Food and Beverage
$242

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
310
Patients
246
Total drug cost
$3,240
Drug Type Claims Patients Total cost
Prednisone Generic 44 31 $166
Furosemide Generic 36 30 $175
Cefuroxime (Cefuroxime Axetil) Brand 30 30 $364
Pantoprazole Sodium Generic 24 18 $164
Clopidogrel (Clopidogrel Bisulfate) Brand 21 14 $340
Amiodarone Hcl Generic 19 17 $538
Amlodipine Besylate Generic 19 19 $71
Atorvastatin Calcium Generic 17 17 $124
Gabapentin Generic 16 12 $180
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 15 15 $379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Tayag's medical specialty?
Dr. Maria Tayag practices Internal Medicine Physician in Winchester, VA.
Where does Dr. Maria Tayag practice?
Dr. Maria Tayag practices at 1840 Amherst St, Winchester, VA 226012808. Office phone: 5405364334.
What is Dr. Maria Tayag's NPI?
Dr. Maria Tayag's National Provider Identifier (NPI) is 1669485181, issued by NPPES.
Does Dr. Maria Tayag accept Medicare assignment?
Yes. Dr. Maria Tayag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Tayag commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.