NICOLE M. GRIGLIONE M.D. – NPI #1568649358
Internal Medicine

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Health Care Provider Taxonomy Code for Internal Medicine

NICOLE GRIGLIONE is a physician located in MILWAUKEE, WI. NPPES has assigned the NPI number 1568649358 to NICOLE GRIGLIONE on January 24, 2008. 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 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology

The NPI profile was last updated on Jan 26, 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 NICOLE GRIGLIONE below.

NPI Profile for
NICOLE M. GRIGLIONE

NPI Number
1568649358
Enumeration Date

(more than 18 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
NICOLE M. GRIGLIONE
Credentials
M.D.
Primary location
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 53215-3689
Phone: (414) 908-6506 Fax: (414) 908-6510
1 Other location(s):
2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689
Phone: (414) 454-0600
Fax: (414) 454-0971
Mailing address
Same as primary location
Sole Proprietor
Yes
Updated
Certification Date
Jan 26, 2026

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.

Taxonomy Code(s)

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
207RG0100X
- Internal Medicine / Gastroenterology (Primary)		 WI 61094-20
207R00000X
- Internal Medicine		 GA 002655

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

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
NICOLE GRIGLIONE is affiliated with the following medical group(s):
  • HOSPITAL
    • ASCENSION SE WISCONSIN HOSPITAL
      5000 W CHAMBERS ST
      MILWAUKEE, WI 53210
    • OCONOMOWOC MEMORIAL HOSPITAL
      791 E SUMMIT AVE
      OCONOMOWOC, WI 53066
    • WAUKESHA MEMORIAL HOSPITAL
      725 AMERICAN AVE
      WAUKESHA, WI 53188

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