Sarah Klein, D.O.
NPI 1831537026 · Hospitalist Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Klein, D.O. is a Hospitalist Physician provider in Oak Lawn, IL (NPI 1831537026).
Provider details
- NPI number
- 1831537026
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036-140744 (IL)
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
13 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
- 2013-06-10
- Last updated
- 2025-07-03
- Certified
- 2025-07-03
Frequently asked questions
- What is Sarah Klein's NPI number?
- Sarah Klein's National Provider Identifier (NPI) is 1831537026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Klein's specialty?
- Sarah Klein is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Klein located?
- Sarah Klein's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453-2600.
- What is Sarah Klein's phone number?
- The practice phone number listed in the NPPES registry for Sarah Klein is (708) 684-5341.
- Does Sarah Klein accept Medicare?
- Sarah Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Klein's NPI active?
- Yes — Sarah Klein's NPI (1831537026) is active in the NPPES registry as of the last update on 2025-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.