Doctor profile · Federal record

Dr. Patricia Vassallo, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Chicago, IL

  • NPI 1205053998
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
675 N Saint Clair St Ste 1900
Chicago, IL 606115975
(312) 695-4965
Mailing address
676 N Saint Clair St Ste 600
Chicago, IL 606112981

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
January 23, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Illinois #036108456

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205053998. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,553
Distinct HCPCS
10
Medicare allowed
$110,694
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,054 874 $9
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 254 244 $15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 243 240 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 226 200 $135
93793 Anticoagulant management of patient taking warfarin 161 33 $12
99215 Established patient office or other outpatient visit, 40-54 minutes 128 114 $190
93356 Heart muscle strain imaging 107 107 $12
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 80 80 $9
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 60 60 $84
99205 New patient office or other outpatient visit, 60-74 minutes 47 47 $235

In context: peer comparison

Among 96 peers in Chicago Cardiovascular Disease Physician, average services per provider: 129. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $20.34

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,828
Patients
889
Total drug cost
$375,705
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 471 141 $8,885
Metoprolol Succinate Generic 449 133 $10,724
Rosuvastatin Calcium Generic 335 103 $6,858
Amlodipine Besylate Generic 258 90 $4,049
Losartan Potassium Generic 248 80 $4,026
Carvedilol Generic 193 63 $3,593
Eliquis (Apixaban) Brand 178 51 $258,898
Ezetimibe Generic 147 48 $5,712
Lisinopril Generic 134 40 $1,813
Spironolactone Generic 95 35 $1,467

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patricia Vassallo's medical specialty?
Dr. Patricia Vassallo practices Cardiovascular Disease Physician in Chicago, IL.
Where does Dr. Patricia Vassallo practice?
Dr. Patricia Vassallo practices at 675 N Saint Clair St Ste 1900, Chicago, IL 606115975. Office phone: 3126954965.
What is Dr. Patricia Vassallo's NPI?
Dr. Patricia Vassallo's National Provider Identifier (NPI) is 1205053998, issued by NPPES.
Does Dr. Patricia Vassallo accept Medicare assignment?
Yes. Dr. Patricia Vassallo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia Vassallo commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.