MICHAEL J. SHALLCROSS MD – NPI #1962965624
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.

MICHAEL SHALLCROSS is a physician located in MILWAUKEE, WI. NPPES has assigned the NPI number 1962965624 to MICHAEL SHALLCROSS on April 10, 2019. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. 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 Jun 30, 2025. 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 MICHAEL SHALLCROSS below.

NPI Profile for
MICHAEL J. SHALLCROSS

NPI Number
1962965624
Enumeration Date

(more than 7 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
MICHAEL J. SHALLCROSS
Credentials
MD
Primary location
2901 W KINNICKINNIC RIVER PKWY STE 315
MILWAUKEE, WI 53215-3660
Phone: (414) 385-2592 Fax: (414) 385-2591
2 Other location(s):
6311 Richmond Hwy
Alexandria, VA 22306-6410
Phone: (703) 647-6087
10510 Jefferson Ave Ste A
Newport News, VA 23601-3102
Phone: (757) 594-3800
Mailing address
615 E CORCORAN AVE UNIT 241
MILWAUKEE, WI 53202-4534
Phone: (703) 851-3647 Fax:
Sole Proprietor
No
Updated
Certification Date
Jun 30, 2025

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
207RC0200X
- Internal Medicine / Critical Care Medicine (Primary)
WI 85628-20
390200000X
- Student in an Organized Health Care Education/Training Program
207Q00000X
- Family Medicine
VA 0101272972
207P00000X
- Emergency Medicine
WI 85628-20

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.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
EMAIL
Content Type
Affiliation
N
Endpoint Location
6311 RICHMOND HWY,
ALEXANDRIA, VA 77025-1669

Additional Information

Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.