IndividualActive
Sarah Keller, M.D.
NPI 1083815328 · Rheumatology Physician · Sturgeon Bay, WI
Sarah Keller, M.D. is a Rheumatology Physician provider in Sturgeon Bay, WI (NPI 1083815328).
Provider details
- NPI number
- 1083815328
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 336074831 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
323 S 18th Ave
Sturgeon Bay, WI 54235-1401
Phone: (920) 746-3501
Street-level locationGet directions
Mailing address
836 Wisconsin Ave
Oak Park, IL 60304-1044
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sarah Keller's NPI number?
- Sarah Keller's National Provider Identifier (NPI) is 1083815328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Keller's specialty?
- Sarah Keller is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Keller located?
- Sarah Keller's practice location on file with NPPES is 323 S 18th Ave, Sturgeon Bay, WI 54235-1401.
- What is Sarah Keller's phone number?
- The practice phone number listed in the NPPES registry for Sarah Keller is (920) 746-3501.
- Is Sarah Keller's NPI active?
- Yes — Sarah Keller's NPI (1083815328) 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.