Doctor profile · Federal record

Dr. Samuel Nixon, M.D.

Hospitalist Physician (CMS: Internal Medicine) · Fullerton, CA

  • NPI 1134214406
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
433 W. Bastanchury RD
Fullerton, CA 92835
(714) 449-4800
fax (714) 449-4956
Mailing address
Dept La21190
Pasadena, CA 911851190

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A87094

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134214406. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
830
Distinct HCPCS
5
Medicare allowed
$83,314
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 507 183 $83
99239 Hospital discharge day management, more than 30 minutes 145 142 $121
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 88 41 $125
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 79 79 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $182

In context: peer comparison

Among 4 peers in this city , average services per provider: 158. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$159
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 2 $56.00
Kestra Medical Technology Services, Inc. 2 $49.39
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $36.18
Janssen Pharmaceuticals, Inc 1 $17.10

By nature of payment

Food and Beverage
$159

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
291
Patients
221
Total drug cost
$15,343
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 30 20 $337
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 29 $288
Furosemide Generic 28 20 $103
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 27 27 $158
Pantoprazole Sodium Generic 22 16 $1,712
Eliquis (Apixaban) Brand 21 0 $11,908
Ciprofloxacin Hcl Generic 19 19 $88
Metoprolol Tartrate Generic 16 11 $83
Amlodipine Besylate Generic 15 11 $69
Clopidogrel (Clopidogrel Bisulfate) Brand 14 0 $156

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Nixon's medical specialty?
Dr. Samuel Nixon practices Hospitalist Physician in Fullerton, CA.
Where does Dr. Samuel Nixon practice?
Dr. Samuel Nixon practices at 433 W. Bastanchury RD, Fullerton, CA 92835. Office phone: 7144494800.
What is Dr. Samuel Nixon's NPI?
Dr. Samuel Nixon's National Provider Identifier (NPI) is 1134214406, issued by NPPES.
Does Dr. Samuel Nixon accept Medicare assignment?
Yes. Dr. Samuel Nixon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Nixon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.