Doctor profile · Federal record

Dr. Dennis Turnbull, DO

Anesthesiology Physician (CMS: Hospitalist) · Internal Medicine Physician · General Practice Physician · Hospitalist Physician · Student in an Organized Health Care Education/Training Program · Porterville, CA

  • NPI 1417526757
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
465 W Putnam Ave
Porterville, CA 932573320
(559) 784-1110

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Profile last updated
July 15, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
California #20425

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417526757. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$76
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 2 $36.71
Genentech USA, INC. 1 $23.68
Abbvie INC. 1 $15.94

By nature of payment

Food and Beverage
$76

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
44
Patients
0
Total drug cost
$238
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 19 0 $160
Lisinopril Generic 14 0 $44
Amlodipine Besylate Generic 11 0 $34

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Turnbull's medical specialty?
Dr. Dennis Turnbull practices Anesthesiology Physician in Porterville, CA.
Where does Dr. Dennis Turnbull practice?
Dr. Dennis Turnbull practices at 465 W Putnam Ave, Porterville, CA 932573320. Office phone: 5597841110.
What is Dr. Dennis Turnbull's NPI?
Dr. Dennis Turnbull's National Provider Identifier (NPI) is 1417526757, issued by NPPES.
Does Dr. Dennis Turnbull accept Medicare assignment?
Yes. Dr. Dennis Turnbull accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 13, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›