Active NPI
Merrick Donenberg, M.D.
- Cardiovascular Disease Physician
- Ottawa, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- 036135131
- Practice address
- 1050 E Norris Dr Ste 2C
Ottawa, IL 61350-1611 - Phone
- (815) 434-0276
- Fax
- (815) 434-0319
- NPI assigned
- Jun 21, 2011
- Last updated
- Jul 17, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 036135131 | IL | |
| Cardiovascular Disease Physician | 207RC0000X | 036135131 | IL | Primary |
Addresses
Primary practice location
1050 E Norris Dr Ste 2C
Ottawa, IL 61350-1611
Mailing address
1050 E. Norris Dr.
Suite 2C
Ottwaw, IL 61350
Phone (815) 434-0276
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Rush Medical College of Rush University, 2011
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1050 E Norris Dr
Suite 2C
Ottawa, IL 61350-1611
Phone (815) 434-0276
1100 E Norris Dr
Ottawa, IL 61350-1604
Phone (815) 433-3100
111 Spring St
Streator, IL 61364-3332
Phone (815) 673-2311
2500 W Reynolds St
Pontiac, IL 61764-9774
530 Park Ave E
Princeton, IL 61356-3901
8600 State Route 91
Suite 130
Peoria, IL 61615-7829
Phone (309) 683-5050
920 W St
Peru, IL 61354-2763
925 W St
Peru, IL 61354-2757
Phone (309) 672-5682
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036135131 | IL | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Rush Oak Park Nocturnist | Internal Medicine | Current | Accepting new patients |
| Central PA Pharmacy LLC. | Current | Accepting new patients | |
| Osf Multi-Specialty Group | Internal Medicine | Current | Accepting new patients |
Locations
75 Remittance Dr
Chicago, IL 60675
520 S Maple Ave
Oak Park, IL 60304
Phone (708) 383-9300
1050 E Norris Dr
Ste 1B
Ottawa, IL 61350
Phone (815) 434-0276
1050 E Norris Dr
Ste 2C
Ottawa, IL 61350
Phone (815) 431-0785
1420 W Pioneer Pkwy
Peoria, IL 61615
Phone (309) 308-5195
8600 State Route 91
Ste 130
Peoria, IL 61615
Phone (309) 683-5050
920 West St
Ste B
Peru, IL 61354
Phone (815) 223-2944
530 Park Ave E
Ste 303A
Princeton, IL 61356
Phone (815) 876-3179
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Internal Medicine Physician
- Peoria, IL
- NPI 1922445527
-
- Internal Medicine Physician
- Oak Park, IL
- NPI 1518260165
-
dba patton pharmacy and v&s variety
- Community/Retail Pharmacy
- Patton, PA
- NPI 1578541413
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba OSF Saint Paul Medical Center
- Critical Access Hospital
- Mendota, IL
- NPI 1609803113
-
dba Morris Hospital & Healthcare Centers
- General Acute Care Hospital
- Morris, IL
- NPI 1649370057
-
dba OSF Saint Clare Medical Center
- Critical Access Hospital
- Princeton, IL
- NPI 1093308439
-
dba OSF Saint Elizabeth Medical Center
- General Acute Care Hospital
- Peru, IL
- NPI 1588713440
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1308614400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1752710400000",
"number": "1457647133",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1050 E. NORRIS DR.",
"address_2": "SUITE 2C",
"city": "OTTWAW",
"state": "IL",
"postal_code": "61350",
"telephone_number": "815-434-0276",
"fax_number": "815-434-0319"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1050 E NORRIS DR STE 2C",
"city": "OTTAWA",
"state": "IL",
"postal_code": "613501611",
"telephone_number": "815-434-0276",
"fax_number": "815-434-0319"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DONENBERG",
"first_name": "MERRICK",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2011-06-21",
"last_updated": "2025-07-17",
"certification_date": "2025-07-17",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "IL",
"license": "036135131",
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "IL",
"license": "036135131",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Ottawa, IL
- Deer Park C C School Dist 82
- Dixie Devry, OT
- Dialysis Centers of America - Illinois, Inc. (Fresenius Medical Care Ottawa)
- Dialysis Centers of America - Illinois, Inc. (RCG Central Illinois-Morris PD)
- Donald P. Mammano, D.C., S.C.
- Rachel Donoho, LCSW
- Lorna Ko Doria, M.D.
- Ami M Dose, APRN, FNP
- Liam Patrick Dougherty, PT, DPT
- Dr Nicholas M Tabor III DPM
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.