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John Mulrooney, MD
NPI 1275543829 · Internal Medicine Physician · Winona, MN
John Mulrooney, MD is a Internal Medicine Physician provider in Winona, MN (NPI 1275543829).
Provider details
- NPI number
- 1275543829
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17366 (MN)
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
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
859 Mankato Avenue
Winona Clinic Ltd
Winona, MN 55987
Phone: (507) 454-3680
Fax: (507) 457-7672
Street-level locationGet directions
Mailing address
859 Mankato Avenue
Winona, MN 55987
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Mulrooney's NPI number?
- John Mulrooney's National Provider Identifier (NPI) is 1275543829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mulrooney's specialty?
- John Mulrooney is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Mulrooney located?
- John Mulrooney's practice location on file with NPPES is 859 Mankato Avenue, Winona, MN 55987.
- What is John Mulrooney's phone number?
- The practice phone number listed in the NPPES registry for John Mulrooney is (507) 454-3680.
- Is John Mulrooney's NPI active?
- Yes — John Mulrooney's NPI (1275543829) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.