Doctor profile · Federal record

Dr. Tammy Underwood, FNP-C

Family Medicine Physician (CMS: Nurse Practitioner) · Claysville, PA

  • NPI 1902587405
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1263 Route 40 W
Claysville, PA 153231277
(724) 663-7731
Mailing address
144 Stonegate Dr
Canonsburg, PA 153172765

Credentials & registration

NPPES · NUCC
NPI registered
July 2023 — 3 yrs on file
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #SP027909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902587405. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$566
Transactions
22
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 5 $230.79
PFIZER INC. 4 $78.96
Novo Nordisk Inc 3 $58.14
GlaxoSmithKline, LLC. 3 $57.86
ABBVIE INC. 2 $50.73
Lilly USA, LLC 2 $43.87
Merck Sharp & Dohme LLC 2 $28.77
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $16.56

By nature of payment

Food and Beverage
$566

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
141
Total drug cost
$2,507
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 31 20 $150
Lisinopril Generic 30 18 $145
Pantoprazole Sodium Generic 26 13 $262
Atorvastatin Calcium Generic 25 18 $258
Levothyroxine Sodium Generic 22 12 $368
Metoprolol Tartrate Generic 18 0 $114
Gabapentin Generic 16 11 $374
Prednisone Generic 15 15 $37
Losartan Potassium Generic 14 0 $307
Furosemide Generic 13 0 $61

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Underwood's medical specialty?
Dr. Tammy Underwood practices Family Medicine Physician in Claysville, PA.
Where does Dr. Tammy Underwood practice?
Dr. Tammy Underwood practices at 1263 Route 40 W, Claysville, PA 153231277. Office phone: 7246637731.
What is Dr. Tammy Underwood's NPI?
Dr. Tammy Underwood's National Provider Identifier (NPI) is 1902587405, issued by NPPES.
Does Dr. Tammy Underwood accept Medicare assignment?
Yes. Dr. Tammy Underwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.