Doctor profile · Federal record

Dr. Alberto Alonso, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Huntington Park, CA

  • NPI 1669621058
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6611 Seville Ave
Huntington Park, CA 90255
(562) 881-3043
fax (323) 815-1827
Mailing address
10436 Downey Ave
Downey, CA 90241

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Profile last updated
July 1, 2015
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #102197

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669621058. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,302
Distinct HCPCS
10
Medicare allowed
$104,030
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 354 106 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 230 91 $98
36415 Insertion of needle into vein for collection of blood sample 169 92 $8
96372 Injection of drug or substance under skin or into muscle 154 57 $16
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 97 31 $106
J1885 Injection, ketorolac tromethamine, per 15 mg 87 39 $1
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 48 25 $2
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 25 25 $140
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 24 17 $16
J0696 Injection, ceftriaxone sodium, per 250 mg 24 20 $1

In context: peer comparison

Among 1 peers in Huntington Park Internal Medicine Physician, average services per provider: 86. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,110
Transactions
49
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 11 $235.06
Abbvie INC. 9 $159.04
GlaxoSmithKline, LLC. 7 $133.59
Ardelyx, INC. 3 $83.06
Bayer Healthcare Pharmaceuticals INC. 4 $81.91
Lilly USA, LLC 3 $69.54
Otsuka America Pharmaceutical, INC. 2 $46.74
Pfizer INC. 2 $44.71
Aimmune Therapeutics, INC. 2 $44.69
Janssen Biotech, INC. 1 $33.67
Boehringer Ingelheim Pharmaceuticals, INC. 1 $27.09
Janssen Pharmaceuticals, INC 1 $25.94
Dexcom, INC. 1 $23.96
Phathom Pharmaceuticals, INC. 1 $22.25
Lundbeck LLC 1 $21.06

By nature of payment

Food and Beverage
$1,110

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,819
Patients
1,781
Total drug cost
$231,948
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,015 283 $20,682
Gabapentin Generic 823 185 $10,394
Metformin Hcl Generic 576 148 $8,649
Levothyroxine Sodium Generic 525 97 $10,808
Losartan Potassium Generic 455 105 $8,254
Amlodipine Besylate Generic 399 112 $4,407
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 368 71 $120,473
Lisinopril Generic 366 109 $4,256
Omeprazole Generic 353 104 $6,467
Furosemide Generic 352 87 $2,693

Frequently asked questions

Auto-generated from federal data
What is Dr. Alberto Alonso's medical specialty?
Dr. Alberto Alonso practices Internal Medicine Physician in Huntington Park, CA.
Where does Dr. Alberto Alonso practice?
Dr. Alberto Alonso practices at 6611 Seville Ave, Huntington Park, CA 90255. Office phone: 5628813043.
What is Dr. Alberto Alonso's NPI?
Dr. Alberto Alonso's National Provider Identifier (NPI) is 1669621058, issued by NPPES.
Does Dr. Alberto Alonso accept Medicare assignment?
Yes. Dr. Alberto Alonso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alberto Alonso 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.