MARGARET DIGUARDO M.D. – NPI #1326468802
Pathology

A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.

Health Care Provider Taxonomy Code for Pathology

MARGARET DIGUARDO is a pathologist located in ROCHESTER, MN. NPPES has assigned the NPI number 1326468802 to MARGARET DIGUARDO on April 23, 2014. 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 207ZB0001X from the Health Care Provider Taxonomy code set, which is classified as Pathology, specializing in Blood Banking & Transfusion Medicine

The NPI profile was last updated on Feb 24, 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 MARGARET DIGUARDO below.

NPI Profile for
MARGARET DIGUARDO

NPI Number
1326468802
Enumeration Date

(more than 12 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
MARGARET DIGUARDO
Credentials
M.D.
Primary location
200 1ST ST SW
ROCHESTER, MN 55905
Phone: (507) 284-2511 Fax:
1 Other location(s):
1215 Lee St
Box 800904
Charlottesville, VA 22908-0816
Phone: (434) 982-1018
Fax: (434) 924-9492
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Feb 24, 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
207ZB0001X
- Pathology / Blood Banking & Transfusion Medicine (Primary)		 MN 61676
207ZP0105X
- Pathology / Clinical Pathology/Laboratory Medicine		 MN 61676

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
Content Type
Affiliation
N
Endpoint Location
200 1ST ST SW,
ROCHESTER, MN 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
Affiliations
MARGARET DIGUARDO is affiliated with the following medical group(s):
  • HOSPITAL
    • MAYO CLINIC HOSPITAL ROCHESTER
      1216 SECOND STREET SOUTHWEST
      ROCHESTER, MN 55902

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.