Ibrahim Shaik, MD
Ibrahim Shaik, MD is an Advanced Heart Failure and Transplant Cardiology Physician in Park Ridge, IL, registered under NPI 1912197831. This provider registers 3 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
The practice address on file is 1875 DEMPSTER ST STE 555, Park Ridge, IL 60068. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 036137618 | IL | Advanced Heart Failure and Transplant… primary |
| 4301090930 | MI | Internal Medicine Physician |
| 036137618 | IL | Cardiovascular Disease Physician |
| 082961 | CT | Internal Medicine Physician |
Licences are recorded in 3 states: IL, MI, CT. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.
- Status
- Approved
- Provider type
- Practitioner - Internal Medicine
- PAC ID
- 7517154479
Enrolled in Medicare 7 times, across 7 states:
| State | Enrollment ID | Provider type |
|---|---|---|
| Illinois | I20160822001987 | Practitioner - Internal Medicine |
| Arkansas | I20250402003629 | Practitioner - Internal Medicine |
| Texas | I20250403003861 | Practitioner - Internal Medicine |
| Virginia | I20250409002686 | Practitioner - Internal Medicine |
| Indiana | I20250409003519 | Practitioner - Internal Medicine |
| Montana | I20250915000540 | Practitioner - Internal Medicine |
| Connecticut | I20250923001944 | Practitioner - Internal Medicine |
Medicare enrolment is recorded as approved under the provider type Practitioner - Internal Medicine. There are 7 separate enrolment records across 7 states (IL, AR, TX, VA, IN, MT, CT). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
Licensed in 3 states
This provider holds licences in 3 states: Connecticut, Illinois and Michigan. The practice address on file is in Park Ridge, IL, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.
- Licence
- 036137618
- Specialty
- Advanced Heart Failure and Transplant…
Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.
What Advanced Heart Failure and Transplant Cardiology covers
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure. NUCC Health Care Provider Taxonomy, code 207RA0001X
All registered taxonomy codes
This provider registers 4 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 207RA0001X | Advanced Heart Failure and Transplant Cardiology Physician Advanced Heart Failure and Transplant Cardiology | 036137618 | IL | primary |
| 207R00000X | Internal Medicine Physician | 4301090930 | MI | |
| 207RC0000X | Cardiovascular Disease Physician Cardiovascular Disease | 036137618 | IL | |
| 207R00000X | Internal Medicine Physician | 082961 | CT |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1912197831 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 26, 2007 |
| Last updated | Jan 20, 2026 |
| Status | Active |
| Sole proprietor | No |
| Credential | MD |
| Practice address |
1875 DEMPSTER ST STE 555 Park Ridge, IL 60068 (847) 698-5500 Fax (847) 698-5517 |
| Mailing address |
29373 NETWORK PL Chicago, IL 60673 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 9 | 1 | 2 | 1 | 9 | 7 | 8 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 9 | 2 | 2 | 2 | 9 | 5 | 8 | 6 |
Sum = 69 · next multiple of 10 = 70 · check digit = 1 · actual last digit = 1
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.