JOHN L. BLAU MD – NPI #1871757690
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

JOHN BLAU is a pathologist located in IOWA CITY, IA. NPPES has assigned the NPI number 1871757690 to JOHN BLAU on July 10, 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 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 Jan 20, 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 JOHN BLAU below.

NPI Profile for
JOHN L. BLAU

NPI Number
1871757690
Enumeration Date

(about 18 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
JOHN L. BLAU
Credentials
MD
Primary location
200 HAWKINS DR
IOWA CITY, IA 52242-1009
Phone: (319) 351-8616 Fax: (319) 356-2987
1 Other location(s):
500 E Market St
Iowa City, IA 52245-2633
Phone: (319) 339-3551
Fax: (319) 248-7945
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Jan 20, 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)		 IA MD-41958
207ZP0102X
- Pathology / Anatomic Pathology & Clinical Pathology		 IA MD-41958
207ZC0008X
- Pathology / Clinical Informatics		 IA MD-41958

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

Education
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER - Graduated 2008
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
JOHN BLAU is affiliated with the following medical group(s):
  • HOSPITAL
    • UNIVERSITY OF IOWA HOSPITAL & CLINICS
      200 HAWKINS DRIVE
      IOWA CITY, IA 52242

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