Charles Marn, M.D.
NPI 1275558553 · Diagnostic Radiology Physician · Milwaukee, WI
Charles Marn, M.D. is a Diagnostic Radiology Physician provider in Milwaukee, WI (NPI 1275558553).
Provider details
- NPI number
- 1275558553
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 49371 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2013-06-13
Frequently asked questions
- What is Charles Marn's NPI number?
- Charles Marn's National Provider Identifier (NPI) is 1275558553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Marn's specialty?
- Charles Marn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Marn located?
- Charles Marn's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Charles Marn's phone number?
- The practice phone number listed in the NPPES registry for Charles Marn is (414) 805-3700.
- Is Charles Marn's NPI active?
- Yes — Charles Marn's NPI (1275558553) is active in the NPPES registry as of the last update on 2013-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.