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William Protzer, MD
NPI 1912906843 · Diagnostic Radiology Physician · Dayton, OH
William Protzer, MD is a Diagnostic Radiology Physician provider in Dayton, OH (NPI 1912906843).
Provider details
- NPI number
- 1912906843
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35062539 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
30 E Apple St
Suite 5254
Dayton, OH 45409
Phone: (937) 208-4200
Fax: (937) 208-4205
Street-level locationGet directions
Mailing address
30 E Apple St
Dayton, OH 45409
Registry dates
- Enumerated
- 2005-07-21
- Last updated
- 2026-05-31
Frequently asked questions
- What is William Protzer's NPI number?
- William Protzer's National Provider Identifier (NPI) is 1912906843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Protzer's specialty?
- William Protzer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Protzer located?
- William Protzer's practice location on file with NPPES is 30 E Apple St, Dayton, OH 45409.
- What is William Protzer's phone number?
- The practice phone number listed in the NPPES registry for William Protzer is (937) 208-4200.
- Is William Protzer's NPI active?
- Yes — William Protzer's NPI (1912906843) is active in the NPPES registry as of the last update on 2026-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.