Doctor profile · Federal record
Dr. Lydia Issac, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Chicago, IL
- NPI 1679953954
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2535 South Martin Luther King Drive
Chicago, IL 60616
(312) 842-7117
fax (312) 326-2102 - Additional location
-
9831 S Western Ave
Chicago, IL 606431740
(773) 445-3500
fax (773) 445-1285 - Mailing address
-
29373 Network Pl
Chicago, IL 606731293
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- September 2, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Illinois #036-156634
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679953954. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,410
Distinct HCPCS
10
Medicare allowed
$107,112
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 252 | 244 | $63 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 154 | 68 | $75 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 131 | 84 | $125 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 111 | 67 | $80 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 105 | 90 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 48 | $87 | |
93325 |
Ultrasound of heart with color-depicted blood flow, rate and valve function | 54 | 52 | $3 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 52 | 39 | $173 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 48 | 38 | $116 | |
93308 |
Ultrasound of heart, follow-up | 47 | 45 | $24 |
In context: peer comparison
Among 96 peers in this city , average services per provider: 129. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $20.21 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,379
Patients
518
Total drug cost
$228,537
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 321 | 119 | $4,781 |
| Metoprolol Succinate | Generic | 238 | 103 | $5,403 |
| Amlodipine Besylate | Generic | 143 | 57 | $1,180 |
| Carvedilol | Generic | 137 | 50 | $1,316 |
| Eliquis (Apixaban) | Brand | 81 | 26 | $121,877 |
| Furosemide | Generic | 78 | 34 | $406 |
| Losartan Potassium | Generic | 63 | 26 | $721 |
| Valsartan | Generic | 62 | 24 | $2,966 |
| Entresto (Sacubitril/Valsartan) | Brand | 51 | 18 | $57,204 |
| Spironolactone | Generic | 48 | 21 | $289 |
Hospital affiliations
Frequently asked questions
What is Dr. Lydia Issac's medical specialty?
Dr. Lydia Issac practices Cardiovascular Disease Physician in Chicago, IL.
Where does Dr. Lydia Issac practice?
Dr. Lydia Issac practices at 2535 South Martin Luther King Drive, Chicago, IL 60616. Office phone: 3128427117.
What is Dr. Lydia Issac's NPI?
Dr. Lydia Issac's National Provider Identifier (NPI) is 1679953954, issued by NPPES.
Does Dr. Lydia Issac accept Medicare assignment?
Yes. Dr. Lydia Issac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lydia Issac commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.