Carolyn Klaus, M.D.
NPI 1811988561 · Internal Medicine Physician · South Bend, IN
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Klaus, M.D. is a Internal Medicine Physician provider in South Bend, IN (NPI 1811988561).
Provider details
- NPI number
- 1811988561
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01046291A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-11-02
- Last updated
- 2008-09-25
Frequently asked questions
- What is Carolyn Klaus's NPI number?
- Carolyn Klaus's National Provider Identifier (NPI) is 1811988561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Klaus's specialty?
- Carolyn Klaus is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Klaus located?
- Carolyn Klaus's practice location on file with NPPES is 100 Navarre Pl, South Bend, IN 46601-1156.
- What is Carolyn Klaus's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Klaus is (574) 647-4535.
- Does Carolyn Klaus accept Medicare?
- Carolyn Klaus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Klaus's NPI active?
- Yes — Carolyn Klaus's NPI (1811988561) is active in the NPPES registry as of the last update on 2008-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.