DANIEL LEONARD DO – NPI #1366671489
Internal Medicine
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
DANIEL LEONARD is a physician located in ROCKFORD, IL. NPPES has assigned the NPI number 1366671489 to DANIEL LEONARD on July 10, 2009. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RC0200X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Critical Care Medicine
The NPI profile was last updated on May 15, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for DANIEL LEONARD below.
NPI Profile for
DANIEL LEONARD
(about 17 years ago)
ROCKFORD, IL 61104-2200 Phone: (779) 696-6102 Fax: (779) 696-6026
1 Other location(s):
Heart, Lung & Vascular Center
Appleton, WI 54915-1305
Phone: (920) 730-6700
APPLETON, WI 54914-9023 Phone: (708) 612-0480 Fax:
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
Identifiers for DANIEL LEONARD
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| other | STATE LICENSE | IL | 125057108 |
| other | STATE LICENSE | IL | 036-131017 |
| other | STATE LICENSE | WI | 64155 |
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207RC0200X - Internal Medicine / Critical Care Medicine (Primary) |
IL | 036-131017 |
| 207RP1001X - Internal Medicine / Pulmonary Disease |
IL | 036-131017 |
| 207R00000X - Internal Medicine |
IL | 036-131017 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.
Additional Information
- Refer to Part B
- Order Durable Medical Equipment
- Refer to Home Health Agency
- Order Power Mobility Devices
DANIEL LEONARD is affiliated with the following medical group(s):
- HOSPITAL
- ASCENSION NE WISCONSIN - ST ELIZABETH CAMPUS1506 S ONEIDA ST
APPLETON, WI 54915
- ASCENSION NE WISCONSIN - ST ELIZABETH CAMPUS1506 S ONEIDA ST
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