Doctor profile · Federal record

Dr. Sonia Chacko, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO

  • NPI 1497951008
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3635 Vista Ave
Saint Louis, MO 631102539
(314) 577-8000
Mailing address
3660 Vista Ave
Saint Louis, MO 631102540

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
March 29, 2011
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #2010031163

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497951008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
679
Distinct HCPCS
9
Medicare allowed
$70,412
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 322 231 $126
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 133 133 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 50 42 $88
G0008 Administration of influenza virus vaccine 48 45 $30
83036 Hemoglobin a1c level 44 38 $10
90662 Influenza vaccine split virus, preservative free 44 41 $72
81003 Automated urinalysis test 16 16 $2
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 11 11 $283
G0009 Administration of pneumococcal vaccine 11 11 $30

In context: peer comparison

Among 216 peers in this city , average services per provider: 171. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,577
Transactions
84
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 17 $367.69
PFIZER INC. 15 $171.13
Novo Nordisk Inc 11 $156.18
AstraZeneca Pharmaceuticals LP 6 $147.69
Lilly USA, LLC 6 $133.65
Novartis Pharmaceuticals Corporation 4 $87.68
Abbott Laboratories 4 $74.73
SANOFI-AVENTIS U.S. LLC 3 $62.62
Salix Pharmaceuticals, a division of Bausch Health US, LLC 4 $56.88
Amgen Inc. 3 $54.51
Currax Pharmaceuticals LLC 3 $48.65
GlaxoSmithKline, LLC. 3 $42.60
Phathom Pharmaceuticals, Inc. 2 $40.21
Exact Sciences Corporation 2 $35.70
Mylan Specialty L.P. 1 $23.20

By nature of payment

Food and Beverage
$1,577

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,166
Patients
1,726
Total drug cost
$229,607
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 800 224 $10,215
Levothyroxine Sodium Generic 690 182 $13,497
Omeprazole Generic 630 188 $8,596
Lisinopril Generic 515 146 $3,854
Amlodipine Besylate Generic 483 144 $3,431
Losartan Potassium Generic 421 122 $5,862
Simvastatin Generic 392 115 $3,243
Alprazolam Generic 382 98 $2,727
Hydrochlorothiazide Generic 298 93 $1,752
Tramadol Hcl Generic 296 75 $1,637

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonia Chacko's medical specialty?
Dr. Sonia Chacko practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Sonia Chacko practice?
Dr. Sonia Chacko practices at 3635 Vista Ave, Saint Louis, MO 631102539. Office phone: 3145778000.
What is Dr. Sonia Chacko's NPI?
Dr. Sonia Chacko's National Provider Identifier (NPI) is 1497951008, issued by NPPES.
Does Dr. Sonia Chacko accept Medicare assignment?
Yes. Dr. Sonia Chacko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonia Chacko commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.