Joseph Diehn
NPI 1114328747 · Certified Registered Nurse Anesthetist · Saint Paul, MN
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Diehn is a Certified Registered Nurse Anesthetist provider in Saint Paul, MN (NPI 1114328747).
Provider details
- NPI number
- 1114328747
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2836 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3600 BroadwayOakland, CA 94611-5730Phone: (510) 752-1000
Registry dates
- Enumerated
- 2014-09-15
- Last updated
- 2023-06-20
- Certified
- 2023-06-20
Frequently asked questions
- What is Joseph Diehn's NPI number?
- Joseph Diehn's National Provider Identifier (NPI) is 1114328747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Diehn's specialty?
- Joseph Diehn is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Diehn located?
- Joseph Diehn's practice location on file with NPPES is 640 Jackson St, Saint Paul, MN 55101-2502.
- What is Joseph Diehn's phone number?
- The practice phone number listed in the NPPES registry for Joseph Diehn is (651) 254-6512.
- Does Joseph Diehn accept Medicare?
- Joseph Diehn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Diehn's NPI active?
- Yes — Joseph Diehn's NPI (1114328747) is active in the NPPES registry as of the last update on 2023-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.