Doctor profile · Federal record

Dr. Nelson Madrilejo, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Bakersfield, CA

  • NPI 1023110103
  • Accepts Medicare
  • MIPS 19.3 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1801 16Th St, #A
Bakersfield, CA 93301
(661) 326-8989
fax (661) 326-8991

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
April 18, 2014
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A47812

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023110103. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,590
Distinct HCPCS
10
Medicare allowed
$284,000
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,863 614 $131
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 123 50 $35
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 97 25 $24
71046 X-ray of chest, 2 views 94 80 $36
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 68 64 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 66 49 $93
77080 Dxa bone density measurement of hip, pelvis, spine 51 51 $40
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $171
99443 Telephone medical discussion with physician, 21-30 minutes 36 36 $131
92250 Photography of the retina 34 34 $39

In context: peer comparison

Among 5 peers in Bakersfield Endocrinology, Diabetes & Metabolism Physician, average services per provider: 378. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,336
Transactions
84
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 14 $269.10
AstraZeneca Pharmaceuticals Lp 7 $257.14
Astellas Pharma US INC 6 $241.89
Lilly USA, LLC 13 $224.47
Xeris Pharmaceuticals, INC. 6 $211.80
Medtronic, INC. 5 $205.08
Corcept Therapeutics 5 $110.46
Radius Health, INC. 3 $87.66
Abbvie INC. 4 $79.73
Mannkind Corporation 3 $72.09
Antares Pharma, INC. 4 $70.28
Takeda Pharmaceuticals U.S.A., INC. 4 $66.27
GlaxoSmithKline, LLC. 4 $62.27
Boehringer Ingelheim Pharmaceuticals, INC. 3 $57.87
Pfizer INC. 3 $50.98

By nature of payment

Food and Beverage
$2,166
Education
$170

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,026
Patients
538
Total drug cost
$1,011,092
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 256 63 $4,006
Trulicity (Dulaglutide) Brand 197 31 $263,206
Farxiga (Dapagliflozin Propanediol) Brand 168 45 $164,944
Synthroid (Levothyroxine Sodium) Brand 163 28 $12,306
Jardiance (Empagliflozin) Brand 155 40 $157,751
Metformin Hcl Generic 142 39 $1,365
Atorvastatin Calcium Generic 141 44 $2,197
Ozempic (Semaglutide) Brand 129 40 $191,015
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 106 38 $9,354
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 104 33 $71,243

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelson Madrilejo's medical specialty?
Dr. Nelson Madrilejo practices Endocrinology, Diabetes & Metabolism Physician in Bakersfield, CA.
Where does Dr. Nelson Madrilejo practice?
Dr. Nelson Madrilejo practices at 1801 16Th St, Bakersfield, CA 93301. Office phone: 6613268989.
What is Dr. Nelson Madrilejo's NPI?
Dr. Nelson Madrilejo's National Provider Identifier (NPI) is 1023110103, issued by NPPES.
Does Dr. Nelson Madrilejo accept Medicare assignment?
Yes. Dr. Nelson Madrilejo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nelson Madrilejo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.