Alexander Feller, M.D.
NPI 1871528778 · Anesthesiology Physician · Mokena, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Feller, M.D. is a Anesthesiology Physician provider in Mokena, IL (NPI 1871528778).
Provider details
- NPI number
- 1871528778
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2006-07-11
- Last updated
- 2007-11-08
Frequently asked questions
- What is Alexander Feller's NPI number?
- Alexander Feller's National Provider Identifier (NPI) is 1871528778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Feller's specialty?
- Alexander Feller is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Feller located?
- Alexander Feller's practice location on file with NPPES is 19110 Darvin Dr, Mokena, IL 60448-8595.
- What is Alexander Feller's phone number?
- The practice phone number listed in the NPPES registry for Alexander Feller is (708) 478-8889.
- Does Alexander Feller accept Medicare?
- Alexander Feller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Feller's NPI active?
- Yes — Alexander Feller's NPI (1871528778) is active in the NPPES registry as of the last update on 2007-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.