WILLIAM R. PROTZER MD – NPI #1912906843
Radiology

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

WILLIAM PROTZER is a radiologist located in DAYTON, OH. NPPES has assigned the NPI number 1912906843 to WILLIAM PROTZER on July 21, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 2085R0202X from the Health Care Provider Taxonomy code set, which is classified as Radiology, specializing in Diagnostic Radiology

The NPI profile was last updated on May 31, 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 WILLIAM PROTZER below.

NPI Profile for
WILLIAM R. PROTZER

NPI Number
1912906843
Enumeration Date

(about 21 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM R. PROTZER
Credentials
MD
Primary location
30 E APPLE ST
SUITE 5254
DAYTON, OH 45409
Phone: (937) 208-4200 Fax: (937) 208-4205
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Identifiers

Identifiers for WILLIAM PROTZER

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.

DescriptionIssuerStateIdentifier
otherBC/BS INDIVIDUAL PIN NOOH000000213793
otherRR MDCR PIN NUMBEROH30012319
medicaidOH0913800
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
2085R0202X
- Radiology / Diagnostic Radiology (Primary)
OH 35062539

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.