Sue Fregien, MD
NPI 1457519613 · Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Milwaukee, WI
Sue Fregien, MD is a Undersea and Hyperbaric Medicine (Preventive Medicine) Physician provider in Milwaukee, WI (NPI 1457519613).
Provider details
- NPI number
- 1457519613
- Entity type
- Individual
- Primary specialty
- Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28626 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-05-23
- Last updated
- 2019-06-13
Frequently asked questions
- What is Sue Fregien's NPI number?
- Sue Fregien's National Provider Identifier (NPI) is 1457519613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sue Fregien's specialty?
- Sue Fregien is listed in the NPPES registry with a primary specialty of Undersea and Hyperbaric Medicine (Preventive Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sue Fregien located?
- Sue Fregien's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is Sue Fregien's phone number?
- The practice phone number listed in the NPPES registry for Sue Fregien is (414) 649-1292.
- Is Sue Fregien's NPI active?
- Yes — Sue Fregien's NPI (1457519613) is active in the NPPES registry as of the last update on 2019-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.