Doctor profile · Federal record

Dr. Kenneth Rexinger, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · San Clemente, CA

  • NPI 1003809963
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
831 Via Suerte, Suite 102
San Clemente, CA 926736531
(949) 364-5600
fax (949) 364-2231

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 10, 2021
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G69073

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003809963. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,657
Distinct HCPCS
10
Medicare allowed
$141,439
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 494 236 $138
99213 Established patient office or other outpatient visit, 20-29 minutes 205 153 $98
36415 Insertion of needle into vein for collection of blood sample 128 87 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 124 94 $194
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 120 120 $140
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 92 74 $8
80053 Blood test, comprehensive group of blood chemicals 68 54 $10
84443 Blood test, thyroid stimulating hormone (tsh) 68 57 $16
80061 Blood test, lipids (cholesterol and triglycerides) 59 45 $13
83036 Hemoglobin a1c level 56 37 $10

In context: peer comparison

Among 3 peers in San Clemente Internal Medicine Physician, average services per provider: 95. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$973
Transactions
45
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $210.81
Novo Nordisk INC 7 $138.81
Lilly USA, LLC 5 $130.13
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 6 $114.53
Abbvie INC. 3 $72.46
Amgen INC. 3 $55.69
Abbott Laboratories 2 $53.60
Pfizer INC. 2 $44.18
Sanofi-Aventis U.S. LLC 1 $25.82
Dexcom, INC. 1 $25.00
Astellas Pharma US INC 1 $24.33
Novartis Pharmaceuticals Corporation 1 $20.43
Edwards Lifesciences Corporation 1 $20.16
Bausch Health US, LLC 1 $19.31
GlaxoSmithKline, LLC. 1 $17.59

By nature of payment

Food and Beverage
$973

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,568
Patients
534
Total drug cost
$29,604
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 201 56 $4,050
Atorvastatin Calcium Generic 197 60 $3,035
Amlodipine Besylate Generic 179 54 $1,705
Rosuvastatin Calcium Generic 156 57 $5,273
Losartan Potassium Generic 124 38 $1,804
Simvastatin Generic 104 35 $1,739
Alprazolam Generic 98 33 $701
Zolpidem Tartrate Generic 86 34 $985
Tamsulosin Hcl Generic 67 20 $1,096
Escitalopram Oxalate Generic 65 22 $1,407

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Rexinger's medical specialty?
Dr. Kenneth Rexinger practices Internal Medicine Physician in San Clemente, CA.
Where does Dr. Kenneth Rexinger practice?
Dr. Kenneth Rexinger practices at 831 Via Suerte, San Clemente, CA 926736531. Office phone: 9493645600.
What is Dr. Kenneth Rexinger's NPI?
Dr. Kenneth Rexinger's National Provider Identifier (NPI) is 1003809963, issued by NPPES.
Does Dr. Kenneth Rexinger accept Medicare assignment?
Yes. Dr. Kenneth Rexinger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Rexinger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.