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Tammy Diehn, CNP
NPI 1366884892 · Nurse Practitioner · Mankato, MN
Tammy Diehn, CNP is a Nurse Practitioner provider in Mankato, MN (NPI 1366884892).
Provider details
- NPI number
- 1366884892
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- F0713967 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
21 Carkoski Commons
Mankato, MN 56001-6030
Phone: (507) 389-6710
Approximate (ZIP-level) locationGet directions
Mailing address
21 Carkoski Commons
Mankato, MN 56001-6030
Registry dates
- Enumerated
- 2013-07-25
- Last updated
- 2014-02-07
Frequently asked questions
- What is Tammy Diehn's NPI number?
- Tammy Diehn's National Provider Identifier (NPI) is 1366884892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Diehn's specialty?
- Tammy Diehn is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Diehn located?
- Tammy Diehn's practice location on file with NPPES is 21 Carkoski Commons, Mankato, MN 56001-6030.
- What is Tammy Diehn's phone number?
- The practice phone number listed in the NPPES registry for Tammy Diehn is (507) 389-6710.
- Is Tammy Diehn's NPI active?
- Yes — Tammy Diehn's NPI (1366884892) is active in the NPPES registry as of the last update on 2014-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.