Doctor profile · Federal record

Dr. John Hernandez, MD

Internal Medicine Physician (CMS: Internal Medicine) · Montebello, CA

  • NPI 1073683546
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
526 N Montebello Blvd
Montebello, CA 90640
(323) 726-1109
fax (323) 278-1162
Mailing address
10820 Beverly Blvd, Suite A-5 Pmb 157
Whittier, CA 906012570

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
March 31, 2014
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A42641

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073683546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,026
Distinct HCPCS
10
Medicare allowed
$82,717
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 482 123 $98
90480 Admn sarscov2 vacc 1 dose 92 92 $45
36415 Insertion of needle into vein for collection of blood sample 70 50 $8
99202 New patient office or other outpatient visit, 15-29 minutes 67 67 $79
91322 Sarscov2 vac 50 mcg/0.5ml im 54 54 $143
99212 Established patient office or other outpatient visit, 10-19 minutes 50 37 $49
99214 Established patient office or other outpatient visit, 30-39 minutes 48 36 $139
91320 Sarscv2 vac 30mcg trs-suc im 38 38 $128
83036 Hemoglobin a1c level 34 24 $10
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 31 31 $85

In context: peer comparison

Among 8 peers in Montebello Internal Medicine Physician, average services per provider: 80. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$849
Transactions
38
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 7 $185.41
Novo Nordisk INC 4 $92.78
Abbvie INC. 4 $84.79
Pfizer INC. 4 $83.02
Lilly USA, LLC 3 $72.09
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $68.37
Bayer Healthcare Pharmaceuticals INC. 3 $58.91
Boehringer Ingelheim Pharmaceuticals, INC. 2 $52.07
GlaxoSmithKline, LLC. 2 $42.56
Sanofi-Aventis U.S. LLC 1 $29.67
Xeris Pharmaceuticals, INC. 1 $24.70
Lundbeck LLC 1 $22.99
Mannkind Corporation 1 $16.51
Kowa Pharmaceuticals America, INC. 1 $15.20

By nature of payment

Food and Beverage
$849

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,392
Patients
1,080
Total drug cost
$110,865
Drug Type Claims Patients Total cost
Metformin Hcl Generic 539 144 $12,013
Omeprazole Generic 475 128 $10,314
Rosuvastatin Calcium Generic 386 107 $12,269
Atorvastatin Calcium Generic 351 98 $9,060
Losartan Potassium Generic 299 81 $8,122
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 298 44 $9,306
Gabapentin Generic 283 62 $6,276
Olmesartan Medoxomil Generic 244 61 $10,114
Alprazolam Generic 237 35 $3,360
Amlodipine Besylate Generic 225 62 $5,220

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hernandez's medical specialty?
Dr. John Hernandez practices Internal Medicine Physician in Montebello, CA.
Where does Dr. John Hernandez practice?
Dr. John Hernandez practices at 526 N Montebello Blvd, Montebello, CA 90640. Office phone: 3237261109.
What is Dr. John Hernandez's NPI?
Dr. John Hernandez's National Provider Identifier (NPI) is 1073683546, issued by NPPES.
Does Dr. John Hernandez accept Medicare assignment?
Yes. Dr. John Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Admn sarscov2 vacc 1 dose (HCPCS 90480); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.